St. Peter's (MO) Water Quality

St. Peter's is a large public water system in EPA region 7 that provides tap water for the 63376 zip codes. It has 7 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 29.9 µg/L. The maximum reported level of Manganese was 29.3 µg/L. There were 2 contamintants found in the St. Peter's water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (6)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (6)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (6)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.1 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.1 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (6)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.07 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/20/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.07 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (5)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<2 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<2 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<2 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (1)

PLANT
PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (1)

PLANT
PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (5)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.4 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

2-propen-1-ol (Allyl Alcohol) (5)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.5 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (1)

PLANT
PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/21/2003
23 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (4)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

anatoxin-a (8)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/18/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/4/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/21/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/8/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/16/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/2/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

bromochloromethane (Halon 1011) (6)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.06 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.06 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (6)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (5)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (10)

1000 Lakeside Park Drive
Distribution System ℹ️
1250%
250 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 230 µg/L
7/16/2014
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
650%
130 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 110 µg/L
5/6/2014
12 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
415.5%
83.1 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 63.1 µg/L
4/2/2014
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<20 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<20 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<20 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
437%
87.4 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 67.4 µg/L
4/2/2013
13 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
434%
86.8 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 66.8 µg/L
4/2/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<20 µg/L
Below Reporting Level
4/2/2013
13 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
540%
108 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 88 µg/L
1/30/2013
13 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (6)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.08 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.08 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (6)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (4)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (9)

1000 Lakeside Park Drive
Distribution System ℹ️
645%
1.29 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.09 µg/L
3/10/2014
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
785%
1.57 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.37 µg/L
11/5/2013
12 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
705%
1.41 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.21 µg/L
11/5/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
655%
1.31 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.11 µg/L
11/5/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
810%
1.62 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.42 µg/L
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
535%
1.07 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.87 µg/L
5/13/2013
13 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
755%
1.51 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.31 µg/L
4/2/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
710%
1.42 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.22 µg/L
4/2/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
590%
1.18 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.98 µg/L
4/2/2013
13 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (9)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
4666.7%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.37 µg/L
11/5/2013
12 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
4666.7%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.37 µg/L
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
7333.3%
2.2 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.17 µg/L
7/24/2013
13 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
6666.7%
2 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.97 µg/L
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
5333.3%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.57 µg/L
7/24/2013
13 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
4000%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.17 µg/L
5/13/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
3333.3%
1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.97 µg/L
5/13/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
5333.3%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.57 µg/L
1/30/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
4666.7%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.37 µg/L
1/30/2013
13 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (9)

1000 Lakeside Park Drive
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
3/10/2014
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
12 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<1 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<1 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2013
13 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2013
13 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

cylindrospermopsin (8)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/18/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/4/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/21/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/8/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/16/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/2/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/4/2019
7 years ago
Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L
Contaminant Details

dimethipin (4)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (2)

PLANT
PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/21/2003
23 years ago
PLANT
PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
11/18/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

ethoprop (4)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (5)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (12)

Cave¿Springs¿Pump¿Station
Distribution System ℹ️
23.6%
14.13 µg/L
Meets Reporting Threshold
12/22/2019
6 years ago
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)
Distribution System ℹ️
19.2%
11.51 µg/L
Meets Reporting Threshold
12/22/2019
6 years ago
Crescent¿Hills¿Pump¿Station
Distribution System ℹ️
18.2%
10.9 µg/L
Meets Reporting Threshold
12/22/2019
6 years ago
Heritage Pump¿Station
Distribution System ℹ️
17.9%
10.73 µg/L
Meets Reporting Threshold
12/22/2019
6 years ago
Crescent¿Hills¿Pump¿Station
Distribution System ℹ️
49.8%
29.9 µg/L
Meets Reporting Threshold
10/1/2019
7 years ago
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)
Distribution System ℹ️
48.5%
29.1 µg/L
Meets Reporting Threshold
10/1/2019
7 years ago
Cave¿Springs¿Pump¿Station
Distribution System ℹ️
47.7%
28.6 µg/L
Meets Reporting Threshold
10/1/2019
7 years ago
Heritage Pump¿Station
Distribution System ℹ️
45.7%
27.4 µg/L
Meets Reporting Threshold
10/1/2019
7 years ago
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)
Distribution System ℹ️
39.6%
23.74 µg/L
Meets Reporting Threshold
3/19/2019
7 years ago
Crescent¿Hills¿Pump¿Station
Distribution System ℹ️
29.2%
17.5 µg/L
Meets Reporting Threshold
3/19/2019
7 years ago
Heritage Pump¿Station
Distribution System ℹ️
28.6%
17.16 µg/L
Meets Reporting Threshold
3/19/2019
7 years ago
Cave¿Springs¿Pump¿Station
Distribution System ℹ️
14.7%
8.83 µg/L
Meets Reporting Threshold
3/19/2019
7 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (12)

Crescent¿Hills¿Pump¿Station
Distribution System ℹ️
0%
5.48 µg/L
12/22/2019
6 years ago
Cave¿Springs¿Pump¿Station
Distribution System ℹ️
0%
4.55 µg/L
12/22/2019
6 years ago
Heritage Pump¿Station
Distribution System ℹ️
0%
3.36 µg/L
12/22/2019
6 years ago
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)
Distribution System ℹ️
0%
3.2 µg/L
12/22/2019
6 years ago
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)
Distribution System ℹ️
0%
3.74 µg/L
10/1/2019
7 years ago
Heritage Pump¿Station
Distribution System ℹ️
0%
3.47 µg/L
10/1/2019
7 years ago
Cave¿Springs¿Pump¿Station
Distribution System ℹ️
0%
3.17 µg/L
10/1/2019
7 years ago
Crescent¿Hills¿Pump¿Station
Distribution System ℹ️
0%
2.65 µg/L
10/1/2019
7 years ago
Cave¿Springs¿Pump¿Station
Distribution System ℹ️
0%
4.47 µg/L
3/19/2019
7 years ago
Crescent¿Hills¿Pump¿Station
Distribution System ℹ️
0%
2.97 µg/L
3/19/2019
7 years ago
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)
Distribution System ℹ️
0%
2.12 µg/L
3/19/2019
7 years ago
Heritage Pump¿Station
Distribution System ℹ️
0%
1.63 µg/L
3/19/2019
7 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (12)

Cave¿Springs¿Pump¿Station
Distribution System ℹ️
0%
17.95 µg/L
12/22/2019
6 years ago
Crescent¿Hills¿Pump¿Station
Distribution System ℹ️
0%
14.48 µg/L
12/22/2019
6 years ago
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)
Distribution System ℹ️
0%
14.3 µg/L
12/22/2019
6 years ago
Heritage Pump¿Station
Distribution System ℹ️
0%
13.66 µg/L
12/22/2019
6 years ago
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)
Distribution System ℹ️
0%
32.84 µg/L
10/1/2019
7 years ago
Crescent¿Hills¿Pump¿Station
Distribution System ℹ️
0%
32.55 µg/L
10/1/2019
7 years ago
Cave¿Springs¿Pump¿Station
Distribution System ℹ️
0%
31.77 µg/L
10/1/2019
7 years ago
Heritage Pump¿Station
Distribution System ℹ️
0%
30.87 µg/L
10/1/2019
7 years ago
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)
Distribution System ℹ️
0%
25.86 µg/L
3/19/2019
7 years ago
Crescent¿Hills¿Pump¿Station
Distribution System ℹ️
0%
20.1 µg/L
3/19/2019
7 years ago
Heritage Pump¿Station
Distribution System ℹ️
0%
18.79 µg/L
3/19/2019
7 years ago
Cave¿Springs¿Pump¿Station
Distribution System ℹ️
0%
11.8 µg/L
3/19/2019
7 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
404.4%
36.4 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 27.4 µg/L
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
590%
53.1 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 44.1 µg/L
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
350%
31.5 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 22.5 µg/L
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
281.1%
25.3 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 16.3 µg/L
7/1/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
333.3%
30 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 21 µg/L
3/12/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
235.6%
21.2 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 12.2 µg/L
3/12/2024
2 years ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (5)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
1.5%
4.4 µg/L
Meets Reporting Threshold
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.4 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
9.8%
29.3 µg/L
Meets Reporting Threshold
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (2)

PLANT
PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
5/21/2003
23 years ago
PLANT
PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
11/18/2002
23 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (1)

PLANT
PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/21/2003
23 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (9)

1000 Lakeside Park Drive
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
3/10/2014
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
353%
3.53 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.53 µg/L
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
12 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
352%
3.52 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.52 µg/L
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
139%
1.39 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.39 µg/L
5/13/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
148%
1.48 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.48 µg/L
4/2/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2013
13 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2013
13 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (2)

PLANT
PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
5/21/2003
23 years ago
PLANT
PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
11/18/2002
23 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (5)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (4)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.05 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.05 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (2)

PLANT
PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
6/16/2003
23 years ago
PLANT
PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
11/18/2002
23 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (12)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.09 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/17/2024
21 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
198%
0.0099 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0049 µg/L
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/1/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
212%
0.0106 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0056 µg/L
3/12/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (12)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (12)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
196.7%
0.0059 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0029 µg/L
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
136.7%
0.0041 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0011 µg/L
3/12/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (12)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/12/2024
2 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (12)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/12/2024
2 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (12)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/17/2024
21 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
122.5%
0.0049 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0009 µg/L
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/1/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
115%
0.0046 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0006 µg/L
3/12/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/12/2024
2 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/13/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/30/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/30/2013
13 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/17/2024
21 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
196.7%
0.0059 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0029 µg/L
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/1/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
173.3%
0.0052 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0022 µg/L
3/12/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (6)

CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/17/2024
21 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/23/2024
24 months ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/23/2024
24 months ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/1/2024
2 years ago
CC 1 ST LOUIS CITY MO6010715
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/12/2024
2 years ago
TREATMENT PLANT
ST PETERS PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/12/2024
2 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (4)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (5)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (1)

PLANT
PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/21/2003
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (9)

1000 Lakeside Park Drive
Distribution System ℹ️
60666.7%
182 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 181.7 µg/L
3/10/2014
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
89666.7%
269 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 268.7 µg/L
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
70000%
210 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 209.7 µg/L
11/5/2013
12 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
69666.7%
209 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 208.7 µg/L
11/5/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
65000%
195 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 194.7 µg/L
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
39333.3%
118 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 117.7 µg/L
5/13/2013
13 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
77666.7%
233 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 232.7 µg/L
4/2/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
74666.7%
224 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 223.7 µg/L
4/2/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
40666.7%
122 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 121.7 µg/L
4/2/2013
13 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (4)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (1)

PLANT
PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

total microcystins (8)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/18/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/4/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/21/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/8/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/16/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/2/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/19/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
7 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (4)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (4)

Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/22/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/1/2019
7 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/19/2019
7 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (9)

1000 Lakeside Park Drive
Distribution System ℹ️
690%
1.38 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.18 µg/L
3/10/2014
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
1140%
2.28 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.08 µg/L
11/5/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
730%
1.46 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.26 µg/L
11/5/2013
12 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
605%
1.21 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.01 µg/L
11/5/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
1925%
3.85 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.65 µg/L
7/24/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
560%
1.12 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.92 µg/L
5/13/2013
13 years ago
Entry Point to the Dist. System
Connection from St. Louis Co. Water ℹ️
665%
1.33 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.13 µg/L
4/2/2013
13 years ago
1000 Lakeside Park Drive
Distribution System ℹ️
495%
0.99 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.79 µg/L
4/2/2013
13 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
340%
0.68 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.48 µg/L
4/2/2013
13 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

ST PETERS PWS
Surface Water (SW)

CC 1 ST LOUIS CITY MO6010715Entry Point to the Distribution System (EP)

ST PETERS PWS
Ground Water (GW)

TREATMENT PLANTEntry Point to the Distribution System (EP)

Treatment¿Plant
Ground Water (GW)

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

Connection from St. Louis Co. Water
Surface Water (SW)

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

Distribution System
Multiple Sources (MX)

Heritage Pump¿StationDistribution System (DS)
Cave¿Springs¿Pump¿StationDistribution System (DS)
6191¿Mid¿Rivers¿Mall¿Dr. (Mobil Station)Distribution System (DS)
Crescent¿Hills¿Pump¿StationDistribution System (DS)

Distribution System
Multiple Sources (MX)

1000 Lakeside Park DriveMaximum Residence Time (MR)

PLANT
Ground Water (GW)

PLANTEntry Point to the Distribution System (EP)

FAQ

Is St. Peter's tap water safe to drink?

When was St. Peter's last tested for water contamination?

The latest water samples were taken on December 17th, 2024.