Walnut Park Mutual Water Co. (CA) Water Quality

Walnut Park Mutual Water Co. is a large public water system in EPA region 9 that provides tap water for the 90255 zip codes. It has 5 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 0.59 µg/L. The maximum reported level of Manganese was 4.1 µg/L. There were 2 contamintants found in the Walnut Park Mutual Water Co. water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.1 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.07 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<2 µg/L
Below Reporting Level
8/21/2019
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

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

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

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

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

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

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (4)

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<2 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<2 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (4)

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<2 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<2 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.4 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.4 µg/L
Below Reporting Level
8/21/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

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

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.5 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.5 µg/L
Below Reporting Level
8/21/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

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

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<0.8 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<0.8 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/8/2019
6 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

bromochloromethane (Halon 1011) (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.06 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/21/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (4)

2460 E. Florence Ave.
Pumping Station ℹ️
750%
150 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L
4/2/2014
11 years ago
3022 Hill St.
Distribution System ℹ️
750%
150 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L
4/2/2014
11 years ago
3022 Hill St.
Distribution System ℹ️
600%
120 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 100 µg/L
8/29/2013
12 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
550%
110 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 90 µg/L
8/29/2013
12 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.08 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/8/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (4)

2460 E. Florence Ave.
Pumping Station ℹ️
290%
0.58 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.38 µg/L
4/2/2014
11 years ago
3022 Hill St.
Distribution System ℹ️
275%
0.55 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.35 µg/L
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
300%
0.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.4 µg/L
8/29/2013
12 years ago
3022 Hill St.
Distribution System ℹ️
200%
0.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L
8/29/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (4)

3022 Hill St.
Distribution System ℹ️
1866.7%
0.56 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.53 µg/L
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
1833.3%
0.55 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.52 µg/L
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
2133.3%
0.64 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.61 µg/L
8/29/2013
12 years ago
3022 Hill St.
Distribution System ℹ️
1733.3%
0.52 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.49 µg/L
8/29/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (4)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2014
11 years ago
3022 Hill St.
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<1 µg/L
Below Reporting Level
8/29/2013
12 years ago
3022 Hill St.
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

dimethipin (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/8/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<1 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<1 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<1 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<1 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

ethoprop (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/8/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/21/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (8)

2534 Poplar Place
Distribution System ℹ️
0.9%
0.55 µg/L
Meets Reporting Threshold
6/22/2021
4 years ago
3022 Hill Street
Distribution System ℹ️
0.8%
0.5 µg/L
Meets Reporting Threshold
6/22/2021
4 years ago
2503 Hill Street
Distribution System ℹ️
0.8%
0.47 µg/L
Meets Reporting Threshold
6/22/2021
4 years ago
2814 Walnut Street
Distribution System ℹ️
0.7%
0.42 µg/L
Meets Reporting Threshold
6/22/2021
4 years ago
3022 Hill Street
Distribution System ℹ️
1%
0.59 µg/L
Meets Reporting Threshold
12/15/2020
4 years ago
2534 Poplar Place
Distribution System ℹ️
1%
0.58 µg/L
Meets Reporting Threshold
12/15/2020
4 years ago
2503 Hill Street
Distribution System ℹ️
0.8%
0.5 µg/L
Meets Reporting Threshold
12/15/2020
4 years ago
2814 Walnut Street
Distribution System ℹ️
0.8%
0.48 µg/L
Meets Reporting Threshold
12/15/2020
4 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (8)

3022 Hill Street
Distribution System ℹ️
0%
0.8 µg/L
6/22/2021
4 years ago
2534 Poplar Place
Distribution System ℹ️
0%
0.55 µg/L
6/22/2021
4 years ago
2503 Hill Street
Distribution System ℹ️
0%
0.47 µg/L
6/22/2021
4 years ago
2814 Walnut Street
Distribution System ℹ️
0%
0.42 µg/L
6/22/2021
4 years ago
3022 Hill Street
Distribution System ℹ️
0%
0.59 µg/L
12/15/2020
4 years ago
2534 Poplar Place
Distribution System ℹ️
0%
0.58 µg/L
12/15/2020
4 years ago
2503 Hill Street
Distribution System ℹ️
0%
0.5 µg/L
12/15/2020
4 years ago
2814 Walnut Street
Distribution System ℹ️
0%
0.48 µg/L
12/15/2020
4 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (8)

3022 Hill Street
Distribution System ℹ️
0%
0.8 µg/L
6/22/2021
4 years ago
2534 Poplar Place
Distribution System ℹ️
0%
0.55 µg/L
6/22/2021
4 years ago
2503 Hill Street
Distribution System ℹ️
0%
0.47 µg/L
6/22/2021
4 years ago
2814 Walnut Street
Distribution System ℹ️
0%
0.42 µg/L
6/22/2021
4 years ago
3022 Hill Street
Distribution System ℹ️
0%
0.59 µg/L
12/15/2020
4 years ago
2534 Poplar Place
Distribution System ℹ️
0%
0.58 µg/L
12/15/2020
4 years ago
2503 Hill Street
Distribution System ℹ️
0%
0.5 µg/L
12/15/2020
4 years ago
2814 Walnut Street
Distribution System ℹ️
0%
0.48 µg/L
12/15/2020
4 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<9 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<9 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (2)

2460 E. Florence Ave.
Pumping Station ℹ️
1%
3 µg/L
Meets Reporting Threshold
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
1.4%
4.1 µg/L
Meets Reporting Threshold
8/21/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (4)

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<5 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<5 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<5 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<5 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (4)

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<0.9 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<0.9 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (4)

2460 E. Florence Ave.
Pumping Station ℹ️
940%
9.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 8.4 µg/L
4/2/2014
11 years ago
3022 Hill St.
Distribution System ℹ️
910%
9.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 8.1 µg/L
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
980%
9.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 8.8 µg/L
8/29/2013
12 years ago
3022 Hill St.
Distribution System ℹ️
960%
9.6 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 8.6 µg/L
8/29/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (4)

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<10 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<10 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<10 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<10 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.007 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.007 µg/L
Below Reporting Level
8/21/2019
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.05 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.05 µg/L
Below Reporting Level
10/8/2019
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (4)

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<4 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<4 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<4 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<4 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (4)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (4)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.01 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (4)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (4)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/18/2023
25 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (4)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/18/2023
25 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.04 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (4)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/18/2023
25 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/29/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/16/2024
21 months ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/18/2023
25 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/8/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/21/2019
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (4)

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<1 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<1 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<1 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<1 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (4)

2460 E. Florence Ave.
Pumping Station ℹ️
150000%
450 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 449.7 µg/L
4/2/2014
11 years ago
3022 Hill St.
Distribution System ℹ️
146666.7%
440 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 439.7 µg/L
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
150000%
450 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 449.7 µg/L
8/29/2013
12 years ago
3022 Hill St.
Distribution System ℹ️
150000%
450 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 449.7 µg/L
8/29/2013
12 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/8/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (4)

WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<2 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
11/1/2002
22 years ago
WELL 10 02S/13W-27B20
WELL 10 ℹ️
0%
<2 µg/L
Below Reporting Level
5/31/2002
23 years ago
WELL 11 02S/13W-27B22
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
5/31/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/8/2019
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (2)

2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/20/2020
5 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/8/2019
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (4)

3022 Hill St.
Distribution System ℹ️
1400%
2.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.6 µg/L
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
1350%
2.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.5 µg/L
4/2/2014
11 years ago
2460 E. Florence Ave.
Pumping Station ℹ️
1250%
2.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.3 µg/L
8/29/2013
12 years ago
3022 Hill St.
Distribution System ℹ️
1250%
2.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.3 µg/L
8/29/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

Pumping Station
Ground Water (GW)

2460 E. Florence Ave.Entry Point to the Distribution System (EP)
add ucmr sp nameEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

2534 Poplar PlaceDistribution System (DS)
3022 Hill StreetDistribution System (DS)
2814 Walnut StreetDistribution System (DS)
2503 Hill StreetDistribution System (DS)
3022 Hill St.Maximum Residence Time (MR)

EP- #006 WELL 10 - CHLORINATION
Ground Water (GW)

add ucmr sp nameEntry Point to the Distribution System (EP)

WELL 10
Ground Water (GW)

WELL 10 02S/13W-27B20SR (SR)

WELL 11
Ground Water (GW)

WELL 11 02S/13W-27B22SR (SR)

FAQ

Is Walnut Park Mutual Water Co. tap water safe to drink?

When was Walnut Park Mutual Water Co. last tested for water contamination?

The latest water samples were taken on January 16th, 2024.