St. Charles Co. PWSD #2 (MO) Water Quality

St. Charles Co. PWSD #2 is a large public water system in EPA region 7 that provides tap water for the 63368 zip codes. It has 9 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 38.26 µg/L. The maximum reported level of Manganese was 4.5 µg/L. There were 2 contamintants found in the St. Charles Co. PWSD #2 water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.1 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.1 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.1 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.07 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/26/2013
12 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<2 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<2 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<2 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<2 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<2 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<2 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<2 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

17-alpha-ethynylestradiol (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0009 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0009 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0009 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0009 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0009 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.0009 µg/L
Reference Level: ?
Contaminant Details

17-beta-estradiol (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0004 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0004 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0004 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0004 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0004 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.0004 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

2-propen-1-ol (Allyl Alcohol) (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

4-androstene-3,17-dione (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0003 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0003 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0003 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0003 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0003 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.0003 µg/L
Reference Level: ?
Contaminant Details

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

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/25/2019
6 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 - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/20/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/6/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/16/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/3/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

bromochloromethane (Halon 1011) (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.06 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.06 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.06 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (12)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
2040%
408 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 388 µg/L
8/28/2014
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
2105%
421 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 401 µg/L
7/22/2014
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
1000%
200 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L
7/22/2014
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
2030%
406 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 386 µg/L
7/21/2014
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
1340%
268 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 248 µg/L
7/1/2014
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
2075%
415 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 395 µg/L
3/31/2014
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
1840%
368 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 348 µg/L
3/31/2014
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<20 µg/L
Below Reporting Level
10/23/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<20 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<20 µg/L
Below Reporting Level
4/22/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<20 µg/L
Below Reporting Level
3/26/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
2/4/2013
12 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.08 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.08 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
237.5%
0.19 µg/L
⚠️ Exceeds Reporting Level of 0.08 µg/L by 0.11 µg/L
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.08 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (12)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
1000%
2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.8 µg/L
10/23/2013
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
910%
1.82 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.62 µg/L
10/23/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
705%
1.41 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.21 µg/L
10/23/2013
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
1070%
2.14 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.94 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
765%
1.53 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.33 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
670%
1.34 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.14 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
935%
1.87 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.67 µg/L
4/22/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
900%
1.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.6 µg/L
4/22/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
515%
1.03 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.83 µg/L
4/22/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
820%
1.64 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.44 µg/L
3/26/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
780%
1.56 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.36 µg/L
3/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
450%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L
3/26/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (12)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
5000%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.47 µg/L
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
4000%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.17 µg/L
10/28/2013
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
433.3%
0.13 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.1 µg/L
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
4333.3%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L
7/17/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
4333.3%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
4000%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.17 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
6333.3%
1.9 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.87 µg/L
5/13/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
4333.3%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
3100%
0.93 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.9 µg/L
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
8000%
2.4 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.37 µg/L
1/23/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
6666.7%
2 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.97 µg/L
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
3666.7%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L
1/23/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (12)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
10/23/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<1 µg/L
Below Reporting Level
10/23/2013
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
10/23/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<1 µg/L
Below Reporting Level
7/17/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
4/22/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<1 µg/L
Below Reporting Level
4/22/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
4/22/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<1 µg/L
Below Reporting Level
3/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<1 µg/L
Below Reporting Level
3/26/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
3/26/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

cylindrospermopsin (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/20/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/6/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/16/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/3/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/18/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L
Contaminant Details

dimethipin (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

equilin (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

estriol (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0008 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0008 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0008 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0008 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0008 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.0008 µg/L
Reference Level: ?
Contaminant Details

estrone (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.002 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

ethoprop (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (12)

100¿Water¿Dr. (Hwy. 40 Tank)
Distribution System ℹ️
18.5%
11.09 µg/L
Meets Reporting Threshold
12/30/2019
5 years ago
Hydrant¿@¿2028¿Hwy.¿K (Chipotle)
Distribution System ℹ️
18.5%
11.07 µg/L
Meets Reporting Threshold
12/30/2019
5 years ago
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.
Distribution System ℹ️
18.3%
10.97 µg/L
Meets Reporting Threshold
12/30/2019
5 years ago
Defiance¿Booster¿Station
Distribution System ℹ️
18.2%
10.89 µg/L
Meets Reporting Threshold
12/30/2019
5 years ago
Hydrant¿@¿2028¿Hwy.¿K (Chipotle)
Distribution System ℹ️
63.8%
38.26 µg/L
⚠️ Exceeds 50% of Reference Level
6/17/2019
6 years ago
100¿Water¿Dr. (Hwy. 40 Tank)
Distribution System ℹ️
44.7%
26.83 µg/L
Meets Reporting Threshold
6/17/2019
6 years ago
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.
Distribution System ℹ️
43.7%
26.19 µg/L
Meets Reporting Threshold
6/17/2019
6 years ago
Defiance¿Booster¿Station
Distribution System ℹ️
30.3%
18.2 µg/L
Meets Reporting Threshold
6/17/2019
6 years ago
Hydrant¿@¿2028¿Hwy.¿K (Chipotle)
Distribution System ℹ️
31.5%
18.9 µg/L
Meets Reporting Threshold
3/25/2019
6 years ago
Defiance¿Booster¿Station
Distribution System ℹ️
25.5%
15.3 µg/L
Meets Reporting Threshold
3/25/2019
6 years ago
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.
Distribution System ℹ️
22.8%
13.7 µg/L
Meets Reporting Threshold
3/25/2019
6 years ago
100¿Water¿Dr. (Hwy. 40 Tank)
Distribution System ℹ️
22.5%
13.5 µg/L
Meets Reporting Threshold
3/25/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (12)

Hydrant¿@¿2028¿Hwy.¿K (Chipotle)
Distribution System ℹ️
0%
5.75 µg/L
12/30/2019
5 years ago
Defiance¿Booster¿Station
Distribution System ℹ️
0%
5.64 µg/L
12/30/2019
5 years ago
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.
Distribution System ℹ️
0%
5.63 µg/L
12/30/2019
5 years ago
100¿Water¿Dr. (Hwy. 40 Tank)
Distribution System ℹ️
0%
5.62 µg/L
12/30/2019
5 years ago
Defiance¿Booster¿Station
Distribution System ℹ️
0%
5.95 µg/L
6/17/2019
6 years ago
100¿Water¿Dr. (Hwy. 40 Tank)
Distribution System ℹ️
0%
5.07 µg/L
6/17/2019
6 years ago
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.
Distribution System ℹ️
0%
4.93 µg/L
6/17/2019
6 years ago
Hydrant¿@¿2028¿Hwy.¿K (Chipotle)
Distribution System ℹ️
0%
3.4 µg/L
6/17/2019
6 years ago
Defiance¿Booster¿Station
Distribution System ℹ️
0%
11.2 µg/L
3/25/2019
6 years ago
Hydrant¿@¿2028¿Hwy.¿K (Chipotle)
Distribution System ℹ️
0%
11.1 µg/L
3/25/2019
6 years ago
100¿Water¿Dr. (Hwy. 40 Tank)
Distribution System ℹ️
0%
10.18 µg/L
3/25/2019
6 years ago
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.
Distribution System ℹ️
0%
9.98 µg/L
3/25/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (12)

Hydrant¿@¿2028¿Hwy.¿K (Chipotle)
Distribution System ℹ️
0%
16.05 µg/L
12/30/2019
5 years ago
100¿Water¿Dr. (Hwy. 40 Tank)
Distribution System ℹ️
0%
15.92 µg/L
12/30/2019
5 years ago
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.
Distribution System ℹ️
0%
15.83 µg/L
12/30/2019
5 years ago
Defiance¿Booster¿Station
Distribution System ℹ️
0%
15.74 µg/L
12/30/2019
5 years ago
Hydrant¿@¿2028¿Hwy.¿K (Chipotle)
Distribution System ℹ️
0%
41.66 µg/L
6/17/2019
6 years ago
100¿Water¿Dr. (Hwy. 40 Tank)
Distribution System ℹ️
0%
31.9 µg/L
6/17/2019
6 years ago
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.
Distribution System ℹ️
0%
31.12 µg/L
6/17/2019
6 years ago
Defiance¿Booster¿Station
Distribution System ℹ️
0%
23.66 µg/L
6/17/2019
6 years ago
Hydrant¿@¿2028¿Hwy.¿K (Chipotle)
Distribution System ℹ️
0%
28 µg/L
3/25/2019
6 years ago
Defiance¿Booster¿Station
Distribution System ℹ️
0%
24.4 µg/L
3/25/2019
6 years ago
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.
Distribution System ℹ️
0%
21.78 µg/L
3/25/2019
6 years ago
100¿Water¿Dr. (Hwy. 40 Tank)
Distribution System ℹ️
0%
21.38 µg/L
3/25/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
346.7%
31.2 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 22.2 µg/L
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
527.8%
47.5 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 38.5 µg/L
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
284.4%
25.6 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 16.6 µg/L
10/10/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
327.8%
29.5 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 20.5 µg/L
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
318.9%
28.7 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 19.7 µg/L
10/8/2024
11 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
212.2%
19.1 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 10.1 µg/L
6/25/2024
14 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
317.8%
28.6 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 19.6 µg/L
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
305.6%
27.5 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 18.5 µg/L
4/9/2024
17 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
195.6%
17.6 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 8.6 µg/L
4/9/2024
17 months ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0.2%
0.48 µg/L
Meets Reporting Threshold
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
1.5%
4.5 µg/L
Meets Reporting Threshold
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0.4%
1.3 µg/L
Meets Reporting Threshold
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
1.1%
3.3 µg/L
Meets Reporting Threshold
3/25/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0.5%
1.5 µg/L
Meets Reporting Threshold
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0.2%
0.66 µg/L
Meets Reporting Threshold
3/25/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

molybdenum (12)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
451%
4.51 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 3.51 µg/L
10/23/2013
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
290%
2.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.9 µg/L
10/23/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
275%
2.75 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.75 µg/L
10/23/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
335%
3.35 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.35 µg/L
7/17/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
249%
2.49 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.49 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
248%
2.48 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.48 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
234%
2.34 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.34 µg/L
4/22/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
214%
2.14 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.14 µg/L
4/22/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
128%
1.28 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.28 µg/L
4/22/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
259%
2.59 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.59 µg/L
3/26/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
206%
2.06 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.06 µg/L
3/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
110%
1.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L
3/26/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
10/8/2024
11 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
4/9/2024
17 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
157.1%
0.011 µg/L
⚠️ Exceeds Reporting Level of 0.007 µg/L by 0.004 µg/L
3/25/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.05 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (17)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.09 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
14 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
130%
0.0065 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0015 µg/L
4/9/2024
17 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
104%
0.0052 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0002 µg/L
4/9/2024
17 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (17)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (17)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (17)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (17)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (17)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
10/8/2024
11 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
4/9/2024
17 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/8/2024
11 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/9/2024
17 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (9)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/2/2025
8 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/10/2024
11 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/10/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/8/2024
11 months ago
W6 LAURA HILLS
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/8/2024
11 months ago
W5 HWY N & Z
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/16/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/25/2024
14 months ago
CC 2 ST LOUIS CITY-HOWARD BEND MO6010715
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/9/2024
17 months ago
TRTMT PLT-BOUGHT FROM MO6079507
ST CHARLES COUNTY PWSD 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/9/2024
17 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

strontium (12)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
82000%
246 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 245.7 µg/L
10/23/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
75666.7%
227 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 226.7 µg/L
10/23/2013
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
71666.7%
215 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 214.7 µg/L
10/23/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
96000%
288 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 287.7 µg/L
7/17/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
70333.3%
211 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 210.7 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
59333.3%
178 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 177.7 µg/L
7/17/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
72333.3%
217 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 216.7 µg/L
4/22/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
71000%
213 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 212.7 µg/L
4/22/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
43666.7%
131 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 130.7 µg/L
4/22/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
79333.3%
238 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 237.7 µg/L
3/26/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
67333.3%
202 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 201.7 µg/L
3/26/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
39333.3%
118 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 117.7 µg/L
3/26/2013
12 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

testosterone (8)

Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0001 µg/L
Below Reporting Level
10/28/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0001 µg/L
Below Reporting Level
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0001 µg/L
Below Reporting Level
5/13/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.0001 µg/L
Below Reporting Level
1/23/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.0001 µg/L
Below Reporting Level
1/23/2013
12 years ago
Minimum Reporting Level: 0.0001 µg/L
Reference Level: ?
Contaminant Details

total microcystins (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/20/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/6/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/16/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/3/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (8)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/30/2019
5 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/17/2019
6 years ago
Entry Point to the Dist. System
Well¿#6¿(Laura Hills) Treated ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/25/2019
6 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/25/2019
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (12)

Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
2005%
4.01 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.81 µg/L
10/23/2013
11 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
630%
1.26 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.06 µg/L
10/23/2013
11 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
230%
0.46 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.26 µg/L
10/23/2013
11 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
1830%
3.66 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.46 µg/L
7/17/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
1055%
2.11 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.91 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
125%
0.25 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L
7/17/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
485%
0.97 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.77 µg/L
4/22/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
285%
0.57 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.37 µg/L
4/22/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
235%
0.47 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.27 µg/L
4/22/2013
12 years ago
Entry Point to the Dist. System
Connection from St. Louis - Howard Bend ℹ️
545%
1.09 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.89 µg/L
3/26/2013
12 years ago
Hydrant @ 108 Westwood Trails
Distribution System ℹ️
320%
0.64 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.44 µg/L
3/26/2013
12 years ago
Entry Point to the Dist. System
Treatment¿Plant ℹ️
275%
0.55 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.35 µg/L
3/26/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

ST CHARLES COUNTY PWSD 2
Surface Water (SW)

CC 2 ST LOUIS CITY-HOWARD BEND MO6010715Entry Point to the Distribution System (EP)

ST CHARLES COUNTY PWSD 2
Ground Water (GW)

W5 HWY N & ZEntry Point to the Distribution System (EP)

ST CHARLES COUNTY PWSD 2
Ground Water (GW)

W6 LAURA HILLSEntry Point to the Distribution System (EP)

ST CHARLES COUNTY PWSD 2
Ground Water (GW)

TRTMT PLT-BOUGHT FROM MO6079507Entry Point to the Distribution System (EP)

Well¿#6¿(Laura Hills) Treated
Ground Water (GW)

Entry Point to the Dist. SystemEntry 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 - Howard Bend
Surface Water (SW)

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

Distribution System
Multiple Sources (MX)

100¿Water¿Dr. (Hwy. 40 Tank)Distribution System (DS)
Defiance¿Booster¿StationDistribution System (DS)
Hydrant¿@¿2028¿Hwy.¿K (Chipotle)Distribution System (DS)
Hydrant¿@¿Northshire¿Lane¿&¿Prospect¿Rd.Distribution System (DS)

Distribution System
Surface Water (SW)

Hydrant @ 108 Westwood TrailsMaximum Residence Time (MR)

FAQ

Is St. Charles Co. PWSD #2 tap water safe to drink?

When was St. Charles Co. PWSD #2 last tested for water contamination?

The latest water samples were taken on January 2nd, 2025.