Cape Girardeau (MO) Water Quality

Cape Girardeau is a large public water system in EPA region 7 that provides tap water for the 63701, 63755 zip codes. It has 8 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 9.8 µg/L. The maximum reported level of Manganese was 0.43 µg/L. There were 2 contamintants found in the Cape Girardeau water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (4)

Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
1433.3%
0.43 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.4 µg/L
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
230%
0.069 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.039 µg/L
6/19/2013
12 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (4)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (4)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.1 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (4)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<2 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<2 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/19/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
2/25/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/19/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
2/25/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

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

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<0.8 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
8/19/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/21/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/25/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/2/2002
22 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

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

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

bromochloromethane (Halon 1011) (4)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.06 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (4)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (8)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<20 µg/L
Below Reporting Level
9/23/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<20 µg/L
Below Reporting Level
9/23/2013
11 years ago
Cape County Park
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
9/23/2013
11 years ago
420 S. Kings Highway
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
9/23/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<20 µg/L
Below Reporting Level
3/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<20 µg/L
Below Reporting Level
3/19/2013
12 years ago
Cape County Park
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
3/19/2013
12 years ago
420 S. Kings Highway
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
3/19/2013
12 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.08 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (4)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (8)

420 S. Kings Highway
Distribution System ℹ️
520%
1.04 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.84 µg/L
9/23/2013
11 years ago
Cape County Park
Distribution System ℹ️
460%
0.92 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.72 µg/L
9/23/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
445%
0.89 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.69 µg/L
9/23/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
440%
0.88 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.68 µg/L
9/23/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
48550%
97.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 96.9 µg/L
3/19/2013
12 years ago
420 S. Kings Highway
Distribution System ℹ️
440%
0.88 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.68 µg/L
3/19/2013
12 years ago
Cape County Park
Distribution System ℹ️
420%
0.84 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.64 µg/L
3/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/19/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (8)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
3066.7%
0.92 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.89 µg/L
11/5/2013
11 years ago
Cape County Park
Distribution System ℹ️
2833.3%
0.85 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.82 µg/L
11/5/2013
11 years ago
420 S. Kings Highway
Distribution System ℹ️
2500%
0.75 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.72 µg/L
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
136.7%
0.041 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.011 µg/L
11/5/2013
11 years ago
Cape County Park
Distribution System ℹ️
3333.3%
1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.97 µg/L
6/19/2013
12 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
3033.3%
0.91 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.88 µg/L
6/19/2013
12 years ago
420 S. Kings Highway
Distribution System ℹ️
3033.3%
0.91 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.88 µg/L
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
140%
0.042 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.012 µg/L
6/19/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (8)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<1 µg/L
Below Reporting Level
9/23/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<1 µg/L
Below Reporting Level
9/23/2013
11 years ago
Cape County Park
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
9/23/2013
11 years ago
420 S. Kings Highway
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
9/23/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
9340%
93.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 92.4 µg/L
3/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<1 µg/L
Below Reporting Level
3/19/2013
12 years ago
Cape County Park
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
3/19/2013
12 years ago
420 S. Kings Highway
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
3/19/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

dimethipin (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<1 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
6/4/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<1 µg/L
Below Reporting Level
5/21/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<1 µg/L
Below Reporting Level
2/25/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

ethoprop (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (4)

Cape¿County Park¿Tank
Distribution System ℹ️
16.3%
9.8 µg/L
Meets Reporting Threshold
8/12/2019
6 years ago
Cape¿Rock & Perryville¿Booster Pump¿Station
Distribution System ℹ️
14.3%
8.6 µg/L
Meets Reporting Threshold
8/12/2019
6 years ago
Cape¿Rock & Perryville¿Booster Pump¿Station
Distribution System ℹ️
14.5%
8.7 µg/L
Meets Reporting Threshold
3/11/2019
6 years ago
Cape¿County Park¿Tank
Distribution System ℹ️
16.1%
9.66 µg/L
Meets Reporting Threshold
1/28/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (4)

Cape¿County Park¿Tank
Distribution System ℹ️
0%
16.8 µg/L
8/12/2019
6 years ago
Cape¿Rock & Perryville¿Booster Pump¿Station
Distribution System ℹ️
0%
13.5 µg/L
8/12/2019
6 years ago
Cape¿Rock & Perryville¿Booster Pump¿Station
Distribution System ℹ️
0%
14.4 µg/L
3/11/2019
6 years ago
Cape¿County Park¿Tank
Distribution System ℹ️
0%
17.46 µg/L
1/28/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (4)

Cape¿County Park¿Tank
Distribution System ℹ️
0%
22 µg/L
8/12/2019
6 years ago
Cape¿Rock & Perryville¿Booster Pump¿Station
Distribution System ℹ️
0%
18.2 µg/L
8/12/2019
6 years ago
Cape¿Rock & Perryville¿Booster Pump¿Station
Distribution System ℹ️
0%
17.7 µg/L
3/11/2019
6 years ago
Cape¿County Park¿Tank
Distribution System ℹ️
0%
21.36 µg/L
1/28/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<9 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<9 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
114.4%
10.3 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 1.3 µg/L
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<9 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0.1%
0.43 µg/L
Meets Reporting Threshold
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.4 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<5 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
8/19/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<5 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
5/21/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<5 µg/L
Below Reporting Level
2/25/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<5 µg/L
Below Reporting Level
11/6/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<5 µg/L
Below Reporting Level
11/6/2002
22 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<0.9 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
8/19/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/21/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/25/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/2/2002
22 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (8)

420 S. Kings Highway
Distribution System ℹ️
157%
1.57 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.57 µg/L
9/23/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
146%
1.46 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.46 µg/L
9/23/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
144%
1.44 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.44 µg/L
9/23/2013
11 years ago
Cape County Park
Distribution System ℹ️
140%
1.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L
9/23/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
10200%
102 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 101 µg/L
3/19/2013
12 years ago
420 S. Kings Highway
Distribution System ℹ️
134%
1.34 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.34 µg/L
3/19/2013
12 years ago
Cape County Park
Distribution System ℹ️
133%
1.33 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.33 µg/L
3/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
103%
1.03 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.03 µg/L
3/19/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<10 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
8/19/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<10 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
5/21/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<10 µg/L
Below Reporting Level
2/25/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<10 µg/L
Below Reporting Level
11/6/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<10 µg/L
Below Reporting Level
11/6/2002
22 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.05 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<4 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
8/19/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<4 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
3/10/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<4 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<4 µg/L
Below Reporting Level
11/21/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<4 µg/L
Below Reporting Level
11/21/2002
22 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (8)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
252%
0.0126 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0076 µg/L
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
240%
0.012 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.007 µg/L
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
196%
0.0098 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0048 µg/L
7/22/2024
13 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
168%
0.0084 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0034 µg/L
7/22/2024
13 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (8)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (8)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (8)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (8)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (8)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/19/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (4)

CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/15/2025
7 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/15/2025
7 months ago
CAPE ROCK PLANT #1 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/22/2024
13 months ago
RAMSEY BRANCH PLANT #2 GW PLANT
CAPE GIRARDEAU PWS ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/22/2024
13 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.3 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<1 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
8/19/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<1 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
5/21/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<1 µg/L
Below Reporting Level
2/25/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<1 µg/L
Below Reporting Level
12/2/2002
22 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (8)

Cape County Park
Distribution System ℹ️
73333.3%
220 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 219.7 µg/L
9/23/2013
11 years ago
420 S. Kings Highway
Distribution System ℹ️
73000%
219 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 218.7 µg/L
9/23/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
71666.7%
215 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 214.7 µg/L
9/23/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
71333.3%
214 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 213.7 µg/L
9/23/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
113333.3%
340 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L
3/19/2013
12 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
70666.7%
212 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 211.7 µg/L
3/19/2013
12 years ago
420 S. Kings Highway
Distribution System ℹ️
68333.3%
205 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 204.7 µg/L
3/19/2013
12 years ago
Cape County Park
Distribution System ℹ️
67666.7%
203 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 202.7 µg/L
3/19/2013
12 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (8)

CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
8/19/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
8/19/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
5/21/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
2/25/2003
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
2/25/2003
22 years ago
CAPE ROCK (SW)
CAPE ROCK (SW) ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
WELL PLANT
WELL PLANT ℹ️
0%
<2 µg/L
Below Reporting Level
12/2/2002
22 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (2)

Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/16/2019
6 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
0%
<0.07 µg/L
Below Reporting Level
1/8/2019
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (8)

420 S. Kings Highway
Distribution System ℹ️
425%
0.85 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.65 µg/L
9/23/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
360%
0.72 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.52 µg/L
9/23/2013
11 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
340%
0.68 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.48 µg/L
9/23/2013
11 years ago
Cape County Park
Distribution System ℹ️
330%
0.66 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.46 µg/L
9/23/2013
11 years ago
Entry Point to the Dist. System
Cape Rock Plant ℹ️
49800%
99.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 99.4 µg/L
3/19/2013
12 years ago
420 S. Kings Highway
Distribution System ℹ️
375%
0.75 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.55 µg/L
3/19/2013
12 years ago
Cape County Park
Distribution System ℹ️
345%
0.69 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.49 µg/L
3/19/2013
12 years ago
Well Plant EPTDS
Ramsey Branch Plant #2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/19/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

CAPE GIRARDEAU PWS
Ground Water (GW)

CAPE ROCK PLANT #1 GW PLANTEntry Point to the Distribution System (EP)

CAPE GIRARDEAU PWS
Ground Water (GW)

RAMSEY BRANCH PLANT #2 GW PLANTEntry Point to the Distribution System (EP)

Cape Rock Plant
Ground Water (GW)

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

Distribution System
Ground Water (GW)

Cape¿County Park¿TankDistribution System (DS)
Cape¿Rock & Perryville¿Booster Pump¿StationDistribution System (DS)

Ramsey Branch Plant #2
Ground Water (GW)

Well Plant EPTDSEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

Cape County ParkMaximum Residence Time (MR)
420 S. Kings HighwayMaximum Residence Time (MR)

CAPE ROCK (SW)
Surface Water (SW)

CAPE ROCK (SW)Entry Point to the Distribution System (EP)

WELL PLANT
Surface Water (SW)

WELL PLANTEntry Point to the Distribution System (EP)

FAQ

Is Cape Girardeau tap water safe to drink?

When was Cape Girardeau last tested for water contamination?

The latest water samples were taken on January 15th, 2025.