MO American Water Co. - St. Louis/St. Charles Co. (MO) Water Quality

MO American Water Co. - St. Louis/St. Charles Co. is a large public water system in EPA region 7 that provides tap water for the 63005, 63006, 63017, 63025, 63026, 63032 - 63034, 63040, 63043 - 63045, 63088, 63105, 63117, 63121 - 63138, 63141, 63144 - 63146 zip codes. It has 17 facilities where the water supply was tested for 97 chemical contaminants that impact tap water quality and human health.

The maximum reported level of 2-methoxyethanol was 5.7 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 39.6 µg/L. The maximum reported level of Manganese was 4.9 µg/L. There were 3 contamintants found in the MO American Water Co. - St. Louis/St. Charles Co. water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2-diphenylhydrazine (16)

South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
200%
0.14 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.07 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
128.6%
0.09 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.02 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.07 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
214.3%
0.15 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.08 µg/L
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
114.3%
0.08 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.01 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
9/24/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

17-alpha-ethynylestradiol (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0009 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0009 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0009 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0009 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0009 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0009 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0009 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0009 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.0009 µg/L
Reference Level: ?
Contaminant Details

17-beta-estradiol (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0004 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0004 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0004 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0004 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.0004 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4,6-trichlorophenol (16)

South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

2,4-dichlorophenol (16)

South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrophenol (16)

South Plant
SOUTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
12/9/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
12/9/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (16)

South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/20/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (16)

South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/20/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/24/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
27.1%
5.7 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
2%
0.43 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

2-methyl-phenol (16)

South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

2-propen-1-ol (Allyl Alcohol) (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/24/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (16)

South Plant
SOUTH PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/21/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/20/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
11/7/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
11/7/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
11/7/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
11/7/2002
22 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

4-androstene-3,17-dione (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0003 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0003 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0003 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0003 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0003 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0003 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0003 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0003 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.0003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

anatoxin-a (32)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/3/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

bromochloromethane (Halon 1011) (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (40)

Entry Point to the Dist. System
South¿Plant ℹ️
800%
160 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 140 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<20 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<20 µg/L
Below Reporting Level
11/6/2013
11 years ago
4435 Telegraph Road
Distribution System ℹ️
950%
190 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 170 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
750%
150 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L
11/5/2013
11 years ago
1940 Union Road
Distribution System ℹ️
600%
120 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 100 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<20 µg/L
Below Reporting Level
11/5/2013
11 years ago
2995 Highway K
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
11/5/2013
11 years ago
15924 Manchester Road
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
11/5/2013
11 years ago
9482 Lewis & Clark
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
11/5/2013
11 years ago
4435 Telegraph Road
Distribution System ℹ️
1850%
370 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 350 µg/L
8/8/2013
12 years ago
1940 Union Road
Distribution System ℹ️
1800%
360 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 340 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
1700%
340 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 320 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
1600%
320 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 300 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<20 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<20 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<20 µg/L
Below Reporting Level
8/8/2013
12 years ago
2995 Highway K
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
8/8/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
8/8/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
1450%
290 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 270 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
1300%
260 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 240 µg/L
5/9/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
1200%
240 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 220 µg/L
5/9/2013
12 years ago
1940 Union Road
Distribution System ℹ️
950%
190 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 170 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<20 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<20 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<20 µg/L
Below Reporting Level
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
5/9/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
5/9/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
1150%
230 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L
2/6/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
1050%
210 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 190 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
600%
120 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 100 µg/L
2/6/2013
12 years ago
1940 Union Road
Distribution System ℹ️
450%
90 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 70 µg/L
2/6/2013
12 years ago
2995 Highway K
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
2/6/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<20 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<20 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<20 µg/L
Below Reporting Level
2/5/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (40)

Entry Point to the Dist. System
South¿Plant ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
700%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
650%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L
11/6/2013
11 years ago
1940 Union Road
Distribution System ℹ️
1000%
2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.8 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
850%
1.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L
11/5/2013
11 years ago
15924 Manchester Road
Distribution System ℹ️
850%
1.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
11/5/2013
11 years ago
2995 Highway K
Distribution System ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
11/5/2013
11 years ago
4435 Telegraph Road
Distribution System ℹ️
750%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L
11/5/2013
11 years ago
9482 Lewis & Clark
Distribution System ℹ️
750%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
8/8/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
8/8/2013
12 years ago
1940 Union Road
Distribution System ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
750%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L
8/8/2013
12 years ago
2995 Highway K
Distribution System ℹ️
750%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L
8/8/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
750%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L
8/8/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
750%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
700%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
550%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L
5/9/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
550%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
500%
1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
500%
1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L
5/9/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
500%
1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
450%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
450%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
450%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L
5/9/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
450%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L
5/9/2013
12 years ago
1940 Union Road
Distribution System ℹ️
450%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L
5/9/2013
12 years ago
1940 Union Road
Distribution System ℹ️
1300%
2.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.4 µg/L
2/6/2013
12 years ago
2995 Highway K
Distribution System ℹ️
750%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L
2/6/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
700%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L
2/6/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
650%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
600%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
600%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1 µg/L
2/6/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
700%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L
2/5/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
700%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
650%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
650%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L
2/5/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (40)

Entry Point to the Dist. System
South¿Plant ℹ️
4766.7%
1.43 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.4 µg/L
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
4200%
1.26 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.23 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
3933.3%
1.18 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.15 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
4733.3%
1.42 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.39 µg/L
11/5/2013
11 years ago
9482 Lewis & Clark
Distribution System ℹ️
4600%
1.38 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.35 µg/L
11/5/2013
11 years ago
15924 Manchester Road
Distribution System ℹ️
4533.3%
1.36 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.33 µg/L
11/5/2013
11 years ago
4435 Telegraph Road
Distribution System ℹ️
4533.3%
1.36 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.33 µg/L
11/5/2013
11 years ago
1940 Union Road
Distribution System ℹ️
4400%
1.32 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.29 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
4233.3%
1.27 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.24 µg/L
11/5/2013
11 years ago
2995 Highway K
Distribution System ℹ️
4200%
1.26 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.23 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
5166.7%
1.55 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.52 µg/L
8/8/2013
12 years ago
1940 Union Road
Distribution System ℹ️
5166.7%
1.55 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.52 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
5066.7%
1.52 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.49 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
4800%
1.44 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.41 µg/L
8/8/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
4766.7%
1.43 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.4 µg/L
8/8/2013
12 years ago
2995 Highway K
Distribution System ℹ️
4633.3%
1.39 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.36 µg/L
8/8/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
4600%
1.38 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.35 µg/L
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
4533.3%
1.36 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.33 µg/L
8/8/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
4533.3%
1.36 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.33 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
4300%
1.29 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.26 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
3666.7%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
3500%
1.05 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.02 µg/L
5/9/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
3466.7%
1.04 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.01 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
3300%
0.99 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.96 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
3200%
0.96 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.93 µg/L
5/9/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
3200%
0.96 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.93 µg/L
5/9/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
3166.7%
0.95 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.92 µg/L
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
3100%
0.93 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.9 µg/L
5/9/2013
12 years ago
1940 Union Road
Distribution System ℹ️
3000%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.87 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
2866.7%
0.86 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.83 µg/L
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
5033.3%
1.51 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.48 µg/L
2/6/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
4233.3%
1.27 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.24 µg/L
2/6/2013
12 years ago
1940 Union Road
Distribution System ℹ️
4133.3%
1.24 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.21 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
4033.3%
1.21 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.18 µg/L
2/6/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
4033.3%
1.21 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.18 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
3900%
1.17 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.14 µg/L
2/6/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
5033.3%
1.51 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.48 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
4633.3%
1.39 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.36 µg/L
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
4366.7%
1.31 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.28 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
4166.7%
1.25 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.22 µg/L
2/5/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (40)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<1 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<1 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
11 years ago
2995 Highway K
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
11 years ago
15924 Manchester Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
11 years ago
4435 Telegraph Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
11 years ago
9482 Lewis & Clark
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
11 years ago
1940 Union Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
2995 Highway K
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
1940 Union Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
1940 Union Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
2/6/2013
12 years ago
2995 Highway K
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
2/6/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
2/6/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
2/6/2013
12 years ago
1940 Union Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<1 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<1 µg/L
Below Reporting Level
2/5/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

cylindrospermopsin (32)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/3/2019
6 years ago
Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L
Contaminant Details

diazinon (16)

South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: ?
Contaminant Details

dimethipin (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (15)

South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/21/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/7/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/7/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/7/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/7/2002
22 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

diuron (16)

Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
4/22/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

equilin (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

estriol (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0008 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0008 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0008 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0008 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0008 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0008 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0008 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0008 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.0008 µg/L
Reference Level: ?
Contaminant Details

estrone (20)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.002 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.002 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

ethoprop (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

fonofos (16)

South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: ?
Contaminant Details

Germanium (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (64)

6185¿N.¿Highway¿67
Distribution System ℹ️
50.2%
30.1 µg/L
⚠️ Exceeds 50% of Reference Level
12/10/2019
5 years ago
11914¿Larimore
Distribution System ℹ️
48.3%
29 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
43.5%
26.11 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
4435¿Telegraph
Distribution System ℹ️
27.7%
16.6 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
27.7%
16.6 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
27.2%
16.3 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
25.2%
15.1 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
25%
14.98 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
24.7%
14.8 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
23.8%
14.3 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
23.6%
14.13 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
23.3%
14 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
23.2%
13.9 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
21.3%
12.8 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
19.3%
11.6 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
2995¿State Route K
Distribution System ℹ️
18.7%
11.2 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
4435¿Telegraph
Distribution System ℹ️
60.4%
36.26 µg/L
⚠️ Exceeds 50% of Reference Level
9/12/2019
6 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
60.1%
36.05 µg/L
⚠️ Exceeds 50% of Reference Level
9/12/2019
6 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
55.2%
33.1 µg/L
⚠️ Exceeds 50% of Reference Level
9/12/2019
6 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
54.9%
32.93 µg/L
⚠️ Exceeds 50% of Reference Level
9/12/2019
6 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
44.4%
26.62 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
42.8%
25.68 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
6185¿N.¿Highway¿67
Distribution System ℹ️
41.6%
24.95 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
40.7%
24.44 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
11914¿Larimore
Distribution System ℹ️
36.8%
22.1 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
2995¿State Route K
Distribution System ℹ️
34.9%
20.93 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
32.9%
19.73 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
28.1%
16.84 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
24.7%
14.84 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
23%
13.8 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
22.9%
13.75 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
22.8%
13.7 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
4435¿Telegraph
Distribution System ℹ️
66%
39.6 µg/L
⚠️ Exceeds 50% of Reference Level
6/12/2019
6 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
65.7%
39.4 µg/L
⚠️ Exceeds 50% of Reference Level
6/12/2019
6 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
64%
38.4 µg/L
⚠️ Exceeds 50% of Reference Level
6/12/2019
6 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
56.2%
33.7 µg/L
⚠️ Exceeds 50% of Reference Level
6/12/2019
6 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
52.8%
31.7 µg/L
⚠️ Exceeds 50% of Reference Level
6/12/2019
6 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
52.8%
31.7 µg/L
⚠️ Exceeds 50% of Reference Level
6/12/2019
6 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
51.2%
30.7 µg/L
⚠️ Exceeds 50% of Reference Level
6/12/2019
6 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
46.8%
28.1 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
2995¿State Route K
Distribution System ℹ️
39.2%
23.5 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
37.8%
22.7 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
36.2%
21.7 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
36%
21.6 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
11914¿Larimore
Distribution System ℹ️
34.2%
20.5 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
6185¿N.¿Highway¿67
Distribution System ℹ️
34%
20.4 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
34%
20.4 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
32.2%
19.3 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
6185¿N.¿Highway¿67
Distribution System ℹ️
35.8%
21.47 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
34.3%
20.6 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
11914¿Larimore
Distribution System ℹ️
32.7%
19.6 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
26.3%
15.8 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
24.7%
14.8 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
24.7%
14.8 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
24.5%
14.7 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
22.5%
13.5 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
2995¿State Route K
Distribution System ℹ️
21.3%
12.76 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
4435¿Telegraph
Distribution System ℹ️
20.5%
12.3 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
20.5%
12.3 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
17.9%
10.74 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
16.8%
10.1 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
16.3%
9.77 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
14.5%
8.69 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
14%
8.43 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (64)

6185¿N.¿Highway¿67
Distribution System ℹ️
0%
8.8 µg/L
12/10/2019
5 years ago
11914¿Larimore
Distribution System ℹ️
0%
8.6 µg/L
12/10/2019
5 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
0%
7.87 µg/L
12/10/2019
5 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
0%
3.08 µg/L
12/10/2019
5 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
0%
2.63 µg/L
12/10/2019
5 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
0%
2.2 µg/L
12/10/2019
5 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
0%
2.1 µg/L
12/10/2019
5 years ago
2995¿State Route K
Distribution System ℹ️
0%
1.8 µg/L
12/10/2019
5 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
0%
1.8 µg/L
12/10/2019
5 years ago
4435¿Telegraph
Distribution System ℹ️
0%
1.6 µg/L
12/10/2019
5 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
0%
1.6 µg/L
12/10/2019
5 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
0%
1.6 µg/L
12/10/2019
5 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
0%
1.5 µg/L
12/10/2019
5 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
0%
1.4 µg/L
12/10/2019
5 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
0%
1.4 µg/L
12/10/2019
5 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
0%
1.4 µg/L
12/10/2019
5 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
0%
6.33 µg/L
9/12/2019
6 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
0%
6.32 µg/L
9/12/2019
6 years ago
4435¿Telegraph
Distribution System ℹ️
0%
6.19 µg/L
9/12/2019
6 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
0%
6.01 µg/L
9/12/2019
6 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
0%
3.68 µg/L
9/12/2019
6 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
0%
3.42 µg/L
9/12/2019
6 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
0%
3.34 µg/L
9/12/2019
6 years ago
11914¿Larimore
Distribution System ℹ️
0%
1.3 µg/L
9/12/2019
6 years ago
6185¿N.¿Highway¿67
Distribution System ℹ️
0%
1.2 µg/L
9/12/2019
6 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
0%
1.1 µg/L
9/12/2019
6 years ago
2995¿State Route K
Distribution System ℹ️
0%
1.1 µg/L
9/12/2019
6 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
0%
0.92 µg/L
9/12/2019
6 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
0%
0.91 µg/L
9/12/2019
6 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
0%
0.87 µg/L
9/12/2019
6 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
0%
0.76 µg/L
9/12/2019
6 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
0%
0.74 µg/L
9/12/2019
6 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
0%
2.8 µg/L
6/12/2019
6 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
0%
2.8 µg/L
6/12/2019
6 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
0%
2.7 µg/L
6/12/2019
6 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
0%
2.7 µg/L
6/12/2019
6 years ago
4435¿Telegraph
Distribution System ℹ️
0%
2.6 µg/L
6/12/2019
6 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
0%
2.5 µg/L
6/12/2019
6 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
0%
2.4 µg/L
6/12/2019
6 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
0%
2.1 µg/L
6/12/2019
6 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
0%
1.2 µg/L
6/12/2019
6 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
0%
1.1 µg/L
6/12/2019
6 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
0%
1.1 µg/L
6/12/2019
6 years ago
2995¿State Route K
Distribution System ℹ️
0%
1 µg/L
6/12/2019
6 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
0%
1 µg/L
6/12/2019
6 years ago
11914¿Larimore
Distribution System ℹ️
0%
0.99 µg/L
6/12/2019
6 years ago
6185¿N.¿Highway¿67
Distribution System ℹ️
0%
0.95 µg/L
6/12/2019
6 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
0%
0.9 µg/L
6/12/2019
6 years ago
11914¿Larimore
Distribution System ℹ️
0%
7.22 µg/L
3/12/2019
6 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
0%
6.81 µg/L
3/12/2019
6 years ago
6185¿N.¿Highway¿67
Distribution System ℹ️
0%
6.07 µg/L
3/12/2019
6 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
0%
1.8 µg/L
3/12/2019
6 years ago
4435¿Telegraph
Distribution System ℹ️
0%
1.6 µg/L
3/12/2019
6 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
0%
1.6 µg/L
3/12/2019
6 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
0%
1.5 µg/L
3/12/2019
6 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
0%
1.4 µg/L
3/12/2019
6 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
0%
1.3 µg/L
3/12/2019
6 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
0%
1.3 µg/L
3/12/2019
6 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
0%
1.2 µg/L
3/12/2019
6 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
0%
1.1 µg/L
3/12/2019
6 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
0%
1.1 µg/L
3/12/2019
6 years ago
2995¿State Route K
Distribution System ℹ️
0%
1 µg/L
3/12/2019
6 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
0%
1 µg/L
3/12/2019
6 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
0%
0.87 µg/L
3/12/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (64)

6185¿N.¿Highway¿67
Distribution System ℹ️
0%
37.7 µg/L
12/10/2019
5 years ago
11914¿Larimore
Distribution System ℹ️
0%
36.5 µg/L
12/10/2019
5 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
0%
33.07 µg/L
12/10/2019
5 years ago
4435¿Telegraph
Distribution System ℹ️
0%
18.2 µg/L
12/10/2019
5 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
0%
18.1 µg/L
12/10/2019
5 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
0%
18.1 µg/L
12/10/2019
5 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
0%
17.68 µg/L
12/10/2019
5 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
0%
16.5 µg/L
12/10/2019
5 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
0%
16.5 µg/L
12/10/2019
5 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
0%
16.43 µg/L
12/10/2019
5 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
0%
16.4 µg/L
12/10/2019
5 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
0%
15.6 µg/L
12/10/2019
5 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
0%
15.3 µg/L
12/10/2019
5 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
0%
14.2 µg/L
12/10/2019
5 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
0%
13.7 µg/L
12/10/2019
5 years ago
2995¿State Route K
Distribution System ℹ️
0%
13 µg/L
12/10/2019
5 years ago
4435¿Telegraph
Distribution System ℹ️
0%
41.69 µg/L
9/12/2019
6 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
0%
41.62 µg/L
9/12/2019
6 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
0%
38.63 µg/L
9/12/2019
6 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
0%
38.21 µg/L
9/12/2019
6 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
0%
29.62 µg/L
9/12/2019
6 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
0%
28.88 µg/L
9/12/2019
6 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
0%
27.34 µg/L
9/12/2019
6 years ago
6185¿N.¿Highway¿67
Distribution System ℹ️
0%
26.15 µg/L
9/12/2019
6 years ago
11914¿Larimore
Distribution System ℹ️
0%
23.4 µg/L
9/12/2019
6 years ago
2995¿State Route K
Distribution System ℹ️
0%
22.03 µg/L
9/12/2019
6 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
0%
20.83 µg/L
9/12/2019
6 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
0%
17.76 µg/L
9/12/2019
6 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
0%
15.75 µg/L
9/12/2019
6 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
0%
14.67 µg/L
9/12/2019
6 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
0%
14.49 µg/L
9/12/2019
6 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
0%
14.46 µg/L
9/12/2019
6 years ago
4435¿Telegraph
Distribution System ℹ️
0%
42.2 µg/L
6/12/2019
6 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
0%
42.2 µg/L
6/12/2019
6 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
0%
41.1 µg/L
6/12/2019
6 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
0%
36.1 µg/L
6/12/2019
6 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
0%
34.5 µg/L
6/12/2019
6 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
0%
34.4 µg/L
6/12/2019
6 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
0%
32.8 µg/L
6/12/2019
6 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
0%
30.6 µg/L
6/12/2019
6 years ago
2995¿State Route K
Distribution System ℹ️
0%
24.5 µg/L
6/12/2019
6 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
0%
23.7 µg/L
6/12/2019
6 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
0%
22.9 µg/L
6/12/2019
6 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
0%
22.7 µg/L
6/12/2019
6 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
0%
21.5 µg/L
6/12/2019
6 years ago
11914¿Larimore
Distribution System ℹ️
0%
21.49 µg/L
6/12/2019
6 years ago
6185¿N.¿Highway¿67
Distribution System ℹ️
0%
21.35 µg/L
6/12/2019
6 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
0%
20.2 µg/L
6/12/2019
6 years ago
6185¿N.¿Highway¿67
Distribution System ℹ️
0%
26.67 µg/L
3/12/2019
6 years ago
10866¿Lilac¿Ave.
Distribution System ℹ️
0%
26.31 µg/L
3/12/2019
6 years ago
11914¿Larimore
Distribution System ℹ️
0%
25.62 µg/L
3/12/2019
6 years ago
6961¿Telegraph¿Rd.
Distribution System ℹ️
0%
17.2 µg/L
3/12/2019
6 years ago
12970¿Mauer¿Industrial
Distribution System ℹ️
0%
16 µg/L
3/12/2019
6 years ago
9931¿Watson¿Rd.
Distribution System ℹ️
0%
16 µg/L
3/12/2019
6 years ago
9765¿Mackenzie¿Rd.
Distribution System ℹ️
0%
15.9 µg/L
3/12/2019
6 years ago
6197¿LeMay¿Ferry
Distribution System ℹ️
0%
15.3 µg/L
3/12/2019
6 years ago
4435¿Telegraph
Distribution System ℹ️
0%
13.9 µg/L
3/12/2019
6 years ago
13099¿Tesson¿Ferry¿Rd.
Distribution System ℹ️
0%
13.8 µg/L
3/12/2019
6 years ago
2995¿State Route K
Distribution System ℹ️
0%
13.76 µg/L
3/12/2019
6 years ago
104¿Holloway¿Rd.
Distribution System ℹ️
0%
12.04 µg/L
3/12/2019
6 years ago
1001¿Majestic¿Dr.
Distribution System ℹ️
0%
11.7 µg/L
3/12/2019
6 years ago
15646¿Manchester¿Rd.
Distribution System ℹ️
0%
10.87 µg/L
3/12/2019
6 years ago
699¿Salt¿Lick¿Rd.
Distribution System ℹ️
0%
9.69 µg/L
3/12/2019
6 years ago
Ehlmann¿Rd.¿Tank
Distribution System ℹ️
0%
9.3 µg/L
3/12/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

linuron (16)

Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
4/22/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

lithium (24)

CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
743.3%
66.9 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 57.9 µg/L
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
715.6%
64.4 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 55.4 µg/L
12/13/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
695.6%
62.6 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 53.6 µg/L
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<9 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<9 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
682.2%
61.4 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 52.4 µg/L
12/12/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
964.4%
86.8 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 77.8 µg/L
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
942.2%
84.8 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 75.8 µg/L
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
940%
84.6 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 75.6 µg/L
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
895.6%
80.6 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 71.6 µg/L
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<9 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<9 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
308.9%
27.8 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 18.8 µg/L
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
278.9%
25.1 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 16.1 µg/L
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
258.9%
23.3 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 14.3 µg/L
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
245.6%
22.1 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 13.1 µg/L
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<9 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<9 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
531.1%
47.8 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 38.8 µg/L
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
470%
42.3 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 33.3 µg/L
3/8/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
508.9%
45.8 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 36.8 µg/L
3/7/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
480%
43.2 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 34.2 µg/L
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<9 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<9 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0.2%
0.5 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
1.6%
4.9 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0.6%
1.9 µg/L
Meets Reporting Threshold
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0.2%
0.45 µg/L
Meets Reporting Threshold
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0.2%
0.47 µg/L
Meets Reporting Threshold
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (16)

South Plant
SOUTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
5/21/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
5/20/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
11/7/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
11/7/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
11/7/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
11/7/2002
22 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (16)

South Plant
SOUTH PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/21/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/20/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
11/7/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
11/7/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
11/7/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
11/7/2002
22 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (40)

Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
330%
3.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.3 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
320%
3.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
110%
1.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L
11/6/2013
11 years ago
2995 Highway K
Distribution System ℹ️
380%
3.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.8 µg/L
11/5/2013
11 years ago
15924 Manchester Road
Distribution System ℹ️
380%
3.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.8 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
340%
3.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L
11/5/2013
11 years ago
9482 Lewis & Clark
Distribution System ℹ️
330%
3.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.3 µg/L
11/5/2013
11 years ago
1940 Union Road
Distribution System ℹ️
190%
1.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
11 years ago
4435 Telegraph Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
11 years ago
2995 Highway K
Distribution System ℹ️
420%
4.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 3.2 µg/L
8/8/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
370%
3.7 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.7 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
340%
3.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L
8/8/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
340%
3.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
310%
3.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.1 µg/L
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
290%
2.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.9 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
1940 Union Road
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
170%
1.7 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.7 µg/L
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
170%
1.7 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.7 µg/L
5/9/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
170%
1.7 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.7 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
160%
1.6 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L
5/9/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
160%
1.6 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L
5/9/2013
12 years ago
1940 Union Road
Distribution System ℹ️
150%
1.5 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
140%
1.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L
5/9/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
140%
1.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
120%
1.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.2 µg/L
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
120%
1.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.2 µg/L
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
250%
2.5 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
190%
1.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L
2/6/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
180%
1.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.8 µg/L
2/6/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
160%
1.6 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L
2/6/2013
12 years ago
1940 Union Road
Distribution System ℹ️
150%
1.5 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
140%
1.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L
2/6/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
210%
2.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.1 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
180%
1.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.8 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
180%
1.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.8 µg/L
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
170%
1.7 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.7 µg/L
2/5/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (16)

South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (16)

South Plant
SOUTH PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
5/21/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
5/20/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
11/7/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
11/7/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
11/7/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
11/7/2002
22 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.05 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (16)

South Plant
SOUTH PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
5/21/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
5/20/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
11/20/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
11/20/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
11/20/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
11/20/2002
22 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (44)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
102%
0.0051 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0001 µg/L
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
100%
0.005 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0 µg/L
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (44)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (44)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (44)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (44)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (44)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (24)

CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/13/2024
9 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/12/2024
9 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/11/2024
12 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/17/2024
15 months ago
CC 1 ST LOUIS CITY WATER COMO6010715
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/8/2024
18 months ago
CENTRAL PLANT 1 & 2
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/8/2024
18 months ago
NORTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/7/2024
18 months ago
MERAMEC PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/7/2024
18 months ago
SOUTH PLANT
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/7/2024
18 months ago
CENTRAL PLANT 3 & 4
MO AMERICAN ST LOUIS ST CHARLES COUNTIES ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/7/2024
18 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

prometon (16)

South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: ?
Contaminant Details

quinoline (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (16)

South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/21/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/20/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/7/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/7/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/7/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/7/2002
22 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (40)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
70433.3%
211.3 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 211 µg/L
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
64633.3%
193.9 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 193.6 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
9400%
28.2 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 27.9 µg/L
11/6/2013
11 years ago
15924 Manchester Road
Distribution System ℹ️
73433.3%
220.3 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 220 µg/L
11/5/2013
11 years ago
2995 Highway K
Distribution System ℹ️
73400%
220.2 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 219.9 µg/L
11/5/2013
11 years ago
9482 Lewis & Clark
Distribution System ℹ️
68300%
204.9 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 204.6 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
67866.7%
203.6 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 203.3 µg/L
11/5/2013
11 years ago
1940 Union Road
Distribution System ℹ️
26300%
78.9 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 78.6 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
10700%
32.1 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 31.8 µg/L
11/5/2013
11 years ago
4435 Telegraph Road
Distribution System ℹ️
10000%
30 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 29.7 µg/L
11/5/2013
11 years ago
2995 Highway K
Distribution System ℹ️
67266.7%
201.8 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 201.5 µg/L
8/8/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
67000%
201 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 200.7 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
60833.3%
182.5 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 182.2 µg/L
8/8/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
60033.3%
180.1 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 179.8 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
57233.3%
171.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 171.4 µg/L
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
53566.7%
160.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 160.4 µg/L
8/8/2013
12 years ago
1940 Union Road
Distribution System ℹ️
13900%
41.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 41.4 µg/L
8/8/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
12400%
37.2 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 36.9 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
11566.7%
34.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 34.4 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
11566.7%
34.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 34.4 µg/L
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
35900%
107.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 107.4 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
35333.3%
106 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 105.7 µg/L
5/9/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
34700%
104.1 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 103.8 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
34600%
103.8 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 103.5 µg/L
5/9/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
34233.3%
102.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 102.4 µg/L
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
29900%
89.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 89.4 µg/L
5/9/2013
12 years ago
1940 Union Road
Distribution System ℹ️
20333.3%
61 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 60.7 µg/L
5/9/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
11800%
35.4 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 35.1 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
10866.7%
32.6 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 32.3 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
9933.3%
29.8 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 29.5 µg/L
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
56566.7%
169.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 169.4 µg/L
2/6/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
42333.3%
127 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 126.7 µg/L
2/6/2013
12 years ago
1940 Union Road
Distribution System ℹ️
18266.7%
54.8 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 54.5 µg/L
2/6/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
10733.3%
32.2 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 31.9 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
9466.7%
28.4 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 28.1 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
8966.7%
26.9 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 26.6 µg/L
2/6/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
46300%
138.9 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 138.6 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
43533.3%
130.6 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 130.3 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
43066.7%
129.2 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 128.9 µg/L
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
42866.7%
128.6 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 128.3 µg/L
2/5/2013
12 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (16)

South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/25/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/20/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/20/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/20/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/24/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
11/7/2002
22 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

terbufos (16)

South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/11/2003
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/30/2003
22 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/9/2002
22 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/16/2002
23 years ago
South Plant
SOUTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
North Plant
NORTH PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Meramec Plant
MERAMEC PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Central Plant
CENTRAL PLANT ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/18/2002
23 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: ?
Contaminant Details

testosterone (20)

Entry Point to the Dist. System
South¿Plant ℹ️
200%
0.0002 µg/L
⚠️ Exceeds Reporting Level of 0.0001 µg/L by 0.0001 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0001 µg/L
Below Reporting Level
11/6/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0001 µg/L
Below Reporting Level
11/6/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
100%
0.0001 µg/L
⚠️ Exceeds Reporting Level of 0.0001 µg/L by 0 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0001 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0001 µg/L
Below Reporting Level
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0001 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
5/9/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0001 µg/L
Below Reporting Level
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
2/6/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.0001 µg/L
Below Reporting Level
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
2/5/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
0%
<0.0001 µg/L
Below Reporting Level
2/5/2013
12 years ago
Minimum Reporting Level: 0.0001 µg/L
Reference Level: ?
Contaminant Details

total microcystins (32)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/16/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/2/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/19/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/5/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/3/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (16)

Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/10/2019
5 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/12/2019
6 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/12/2019
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (40)

Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
2350%
4.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.5 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
1850%
3.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.5 µg/L
11/6/2013
11 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
350%
0.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.5 µg/L
11/6/2013
11 years ago
2995 Highway K
Distribution System ℹ️
2200%
4.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.2 µg/L
11/5/2013
11 years ago
15924 Manchester Road
Distribution System ℹ️
2100%
4.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
1350%
2.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.5 µg/L
11/5/2013
11 years ago
9482 Lewis & Clark
Distribution System ℹ️
1300%
2.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.4 µg/L
11/5/2013
11 years ago
1940 Union Road
Distribution System ℹ️
750%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L
11/5/2013
11 years ago
4435 Telegraph Road
Distribution System ℹ️
450%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
400%
0.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.6 µg/L
11/5/2013
11 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
2450%
4.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.7 µg/L
8/8/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
2200%
4.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.2 µg/L
8/8/2013
12 years ago
2995 Highway K
Distribution System ℹ️
2100%
4.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
1800%
3.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L
8/8/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
1650%
3.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.1 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
1400%
2.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.6 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
850%
1.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L
8/8/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
8/8/2013
12 years ago
1940 Union Road
Distribution System ℹ️
700%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L
8/8/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
600%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1 µg/L
8/8/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
1350%
2.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.5 µg/L
5/9/2013
12 years ago
2995 Highway K
Distribution System ℹ️
1200%
2.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.2 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
950%
1.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.7 µg/L
5/9/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
950%
1.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.7 µg/L
5/9/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
650%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
600%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1 µg/L
5/9/2013
12 years ago
1940 Union Road
Distribution System ℹ️
450%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L
5/9/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
200%
0.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
150%
0.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L
5/9/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/9/2013
12 years ago
15924 Manchester Road
Distribution System ℹ️
1400%
2.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.6 µg/L
2/6/2013
12 years ago
2995 Highway K
Distribution System ℹ️
1150%
2.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.1 µg/L
2/6/2013
12 years ago
1940 Union Road
Distribution System ℹ️
500%
1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L
2/6/2013
12 years ago
4435 Telegraph Road
Distribution System ℹ️
200%
0.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
Meramec¿Plant ℹ️
150%
0.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L
2/6/2013
12 years ago
Entry Point to the Dist. System
South¿Plant ℹ️
150%
0.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L
2/6/2013
12 years ago
Central Plants 3 & 4 EPTDS
Central Plants 3 & 4 ℹ️
1600%
3.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
Central¿Plant¿1¿&¿2 ℹ️
1300%
2.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.4 µg/L
2/5/2013
12 years ago
9482 Lewis & Clark
Distribution System ℹ️
650%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L
2/5/2013
12 years ago
Entry Point to the Dist. System
North¿Plant ℹ️
550%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L
2/5/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

MO AMERICAN ST LOUIS ST CHARLES COUNTIES
Surface Water (SW)

CC 1 ST LOUIS CITY WATER COMO6010715Entry Point to the Distribution System (EP)

MO AMERICAN ST LOUIS ST CHARLES COUNTIES
Surface Water (SW)

CENTRAL PLANT 1 & 2Entry Point to the Distribution System (EP)

MO AMERICAN ST LOUIS ST CHARLES COUNTIES
Surface Water (SW)

NORTH PLANTEntry Point to the Distribution System (EP)

MO AMERICAN ST LOUIS ST CHARLES COUNTIES
Surface Water (SW)

MERAMEC PLANTEntry Point to the Distribution System (EP)

MO AMERICAN ST LOUIS ST CHARLES COUNTIES
Surface Water (SW)

SOUTH PLANTEntry Point to the Distribution System (EP)

MO AMERICAN ST LOUIS ST CHARLES COUNTIES
Surface Water (SW)

CENTRAL PLANT 3 & 4Entry Point to the Distribution System (EP)

Central¿Plant¿1¿&¿2
Surface Water (SW)

Entry Point to the Dist. SystemEntry Point to the Distribution System (EP)

North¿Plant
Surface Water (SW)

Entry Point to the Dist. SystemEntry Point to the Distribution System (EP)

Meramec¿Plant
Surface Water (SW)

Entry Point to the Dist. SystemEntry Point to the Distribution System (EP)

South¿Plant
Surface Water (SW)

Entry Point to the Dist. SystemEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

4435¿TelegraphDistribution System (DS)
6185¿N.¿Highway¿67Distribution System (DS)
11914¿LarimoreDistribution System (DS)
6961¿Telegraph¿Rd.Distribution System (DS)
6197¿LeMay¿FerryDistribution System (DS)
10866¿Lilac¿Ave.Distribution System (DS)
13099¿Tesson¿Ferry¿Rd.Distribution System (DS)
2995¿State Route KDistribution System (DS)
1001¿Majestic¿Dr.Distribution System (DS)
104¿Holloway¿Rd.Distribution System (DS)
12970¿Mauer¿IndustrialDistribution System (DS)
9931¿Watson¿Rd.Distribution System (DS)
15646¿Manchester¿Rd.Distribution System (DS)
9765¿Mackenzie¿Rd.Distribution System (DS)
699¿Salt¿Lick¿Rd.Distribution System (DS)
Ehlmann¿Rd.¿TankDistribution System (DS)

Central Plants 3 & 4
Surface Water (SW)

Central Plants 3 & 4 EPTDSEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

2995 Highway KMaximum Residence Time (MR)
15924 Manchester RoadMaximum Residence Time (MR)
4435 Telegraph RoadMaximum Residence Time (MR)
9482 Lewis & ClarkMaximum Residence Time (MR)
1940 Union RoadMaximum Residence Time (MR)
6744 Clayton RoadMaximum Residence Time (MR)
3015 Lemay Ferry RoadMaximum Residence Time (MR)
9482 Lewis & ClarkMaximum Residence Time (MR)
Reavis Barracks & UnionMaximum Residence Time (MR)

SOUTH PLANT
Surface Water (SW)

South PlantEntry Point to the Distribution System (EP)

NORTH PLANT
Surface Water (SW)

North PlantEntry Point to the Distribution System (EP)

MERAMEC PLANT
Surface Water (SW)

Meramec PlantEntry Point to the Distribution System (EP)

CENTRAL PLANT
Surface Water (SW)

Central PlantEntry Point to the Distribution System (EP)

FAQ

Is MO American Water Co. - St. Louis/St. Charles Co. tap water safe to drink?

When was MO American Water Co. - St. Louis/St. Charles Co. last tested for water contamination?

The latest water samples were taken on December 13th, 2024.