City of Brentwood (CA) Water Quality

City of Brentwood is a large public water system in EPA region 9 that provides tap water for the 94513 zip codes. It has 23 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 7.76 µg/L. The maximum reported level of Manganese was 4.9 µg/L. There were 2 contamintants found in the City of Brentwood water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane
1,2,3-trichloropropane
1,3-butadiene
1,4-dioxane
1-butanol
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid
1H,1H,2H,2H-perfluorodecane sulfonic acid
1H,1H,2H,2H-perfluorohexane sulfonic acid
1H,1H,2H,2H-perfluorooctane sulfonic acid
2,4-dinitrotoluene
2,6-dinitrotoluene
2-methoxyethanol
2-propen-1-ol (Allyl Alcohol)
4,4'-dichloro dichlorophenyl ethylene (DDE)
4,8-dioxa-3H-perfluorononanoic acid
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid
alpha-hexachlorocyclohexane
anatoxin-a
bromochloromethane (Halon 1011)
bromomethane
Butylated Hydroxyanisole
chlorate
chlorodifluoromethane (HCFC-22)
chloromethane
chlorpyrifos
chromium
chromium-6
cobalt
cylindrospermopsin
dimethipin
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate
ethoprop
Germanium
HAA5 (five regulated haloacetic acids)
HAA6Br (six brominated haloacetic acids)
HAA9 (nine haloacetic acids)
hexafluoropropylene oxide dimer acid (GenX)
lithium
Manganese
methyl-tertiary-butyl-ether (MTBE)
molinate
molybdenum
N-ethyl perfluorooctanesulfonamidoacetic acid
N-methyl perfluorooctanesulfonamidoacetic acid
nitrobenzene
nonafluoro-3,6-dioxaheptanoic acid
o-toluidine
oxyfluorfen
perchlorate
perfluoro(2-ethoxyethane)sulfonic acid
perfluoro-3-methoxypropanoic acid
perfluoro-4-methoxybutanoic acid
perfluorobutanesulfonic acid
perfluorobutanoic acid
perfluorodecanoic acid
perfluorododecanoic acid
perfluoroheptanesulfonic acid
perfluoroheptanoic acid
perfluorohexanesulfonic acid
perfluorohexanoic acid
perfluorononanoic acid
perfluorooctanesulfonic acid
perfluorooctanoic acid
perfluoropentanesulfonic acid
perfluoropentanoic acid
perfluorotetradecanoic acid
perfluorotridecanoic acid
perfluoroundecanoic acid
profenofos
quinoline
s-ethyl-dipropylthiocarbamate (EPTC)
strontium
tebuconazole
terbacil
total microcystins
Total Permethrin
tribufos
vanadium

1,1-dichloroethane (20)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,2,3-trichloropropane (20)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,3-butadiene (20)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.1 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.1 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.1 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.1 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.1 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.1 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.1 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.1 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.1 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.1 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.1 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.1 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.1 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.1 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.1 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.1 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.1 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.1 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.1 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.1 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.1 µg/L
Reference Level: ?

Contaminant Details

1,4-dioxane (20)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.07 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.07 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.07 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.07 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.07 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.07 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.07 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.07 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.07 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.07 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: ?

Contaminant Details

1-butanol (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<2 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<2 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<2 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<2 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<2 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<2 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<2 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<2 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<2 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<2 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<2 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<2 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

2,4-dinitrotoluene (15)

WELL 13 0710004-012

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

3/13/2002

23 years ago

WELL 14

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 10A 0710004-009

WELL 10A ℹ️

<2 µg/L

Below Reporting Level

12/12/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2,6-dinitrotoluene (15)

WELL 13 0710004-012

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

3/13/2002

23 years ago

WELL 14

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 10A 0710004-009

WELL 10A ℹ️

<2 µg/L

Below Reporting Level

12/12/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2-methoxyethanol (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.4 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.4 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.4 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.4 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.4 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.4 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.4 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.4 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.4 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.4 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.4 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.5 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.5 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.5 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.5 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.5 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.5 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.5 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.5 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.5 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.5 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.5 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.5 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.5 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.5 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.5 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.5 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.5 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (15)

WELL 13 0710004-012

WELL 13 ℹ️

<0.8 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<0.8 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<0.8 µg/L

Below Reporting Level

3/13/2002

23 years ago

WELL 14

WELL 14 ℹ️

<0.8 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 10A 0710004-009

WELL 10A ℹ️

<0.8 µg/L

Below Reporting Level

12/12/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<0.8 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<0.8 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<0.8 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<0.8 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<0.8 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<0.8 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<0.8 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<0.8 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 0.8 µg/L
Reference Level: ?

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.002 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.002 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.002 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

alpha-hexachlorocyclohexane (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.01 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.01 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.01 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.01 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.01 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.01 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.01 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L

Contaminant Details

anatoxin-a (8)

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

8/17/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

7/30/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

6/24/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

6/15/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

5 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

bromochloromethane (Halon 1011) (20)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.06 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.06 µg/L

Below Reporting Level

11/19/2014

10 years ago

COB Water Treatment Plant

Water TP ℹ️

0.086 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.026 µg/L

8/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.06 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.06 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.06 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.06 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.06 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.06 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.06 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.06 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

0.062 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.002 µg/L

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.06 µg/L

Below Reporting Level

2/27/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

0.095 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.035 µg/L

2/26/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.06 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.06 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.06 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.06 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.06 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.06 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.06 µg/L
Reference Level: ?

Contaminant Details

bromomethane (20)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.2 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Butylated Hydroxyanisole (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

chlorate (40)

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

66 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 46 µg/L

2/19/2015

10 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<20 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

1100 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 1080 µg/L

11/19/2014

10 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

180 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 160 µg/L

11/19/2014

10 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

570 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 550 µg/L

9/17/2014

10 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<20 µg/L

Below Reporting Level

9/17/2014

10 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<20 µg/L

Below Reporting Level

9/17/2014

10 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L

8/28/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

53 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 33 µg/L

8/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

45 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 25 µg/L

8/28/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

40 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 20 µg/L

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

24 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 4 µg/L

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<20 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<20 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<20 µg/L

Below Reporting Level

8/28/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

<20 µg/L

Below Reporting Level

8/28/2014

11 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 240 µg/L

8/25/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 240 µg/L

8/25/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

220 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 200 µg/L

8/25/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L

8/25/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<20 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<20 µg/L

Below Reporting Level

8/25/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

23 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 3 µg/L

6/3/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

120 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 100 µg/L

5/28/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

62 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 42 µg/L

2/27/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

42 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 22 µg/L

2/27/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

170 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 150 µg/L

2/26/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

94 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 74 µg/L

2/26/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

80 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 60 µg/L

2/26/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

70 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 50 µg/L

2/26/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<20 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<20 µg/L

Below Reporting Level

2/26/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

62 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 42 µg/L

2/25/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<20 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<20 µg/L

Below Reporting Level

2/25/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

<20 µg/L

Below Reporting Level

2/25/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

77 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 57 µg/L

2/24/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

76 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 56 µg/L

2/24/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<20 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<20 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 20 µg/L
Reference Level: ?

Contaminant Details

chlorodifluoromethane (HCFC-22) (20)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.08 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.08 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

2.1 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 2.02 µg/L

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.08 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.08 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.08 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.08 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

4.3 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 4.22 µg/L

8/25/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.08 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.08 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.08 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.08 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 1.82 µg/L

2/27/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

3.1 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 3.02 µg/L

2/26/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.08 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.08 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.08 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.08 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.08 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.08 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.08 µg/L
Reference Level: ?

Contaminant Details

chloromethane (20)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.2 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chlorpyrifos (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L

Contaminant Details

chromium (40)

EP #21 - Well 8 Treated

Well 8 ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.8 µg/L

2/19/2015

10 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L

2/19/2015

10 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

4.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.5 µg/L

11/19/2014

10 years ago

COB Water Treatment Plant

Water TP ℹ️

0.56 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.36 µg/L

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

9.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.2 µg/L

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

8.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 8.4 µg/L

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

8.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 8.3 µg/L

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.6 µg/L

8/28/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L

8/28/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L

8/28/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

0.65 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.45 µg/L

8/28/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

0.48 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.28 µg/L

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

0.36 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L

8/28/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

0.36 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L

8/28/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

7.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.5 µg/L

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

5.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5 µg/L

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

4.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.4 µg/L

8/25/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.8 µg/L

8/25/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2 µg/L

8/25/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

0.92 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.72 µg/L

8/25/2014

11 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

0.74 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.54 µg/L

8/25/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

0.73 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.53 µg/L

8/25/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

0.82 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.62 µg/L

5/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

5/28/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

7.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.2 µg/L

3/6/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

9.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.1 µg/L

2/27/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L

2/27/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

5.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.1 µg/L

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

4.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.5 µg/L

2/26/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

4.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.3 µg/L

2/26/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.6 µg/L

2/26/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

2.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.6 µg/L

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

12 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 11.8 µg/L

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

8.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 8.5 µg/L

2/25/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

2.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.6 µg/L

2/25/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

6.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.6 µg/L

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L

2/24/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

2.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.4 µg/L

2/24/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chromium-6 (40)

EP #21 - Well 8 Treated

Well 8 ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.57 µg/L

2/19/2015

10 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.37 µg/L

2/19/2015

10 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

4.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.47 µg/L

11/19/2014

10 years ago

COB Water Treatment Plant

Water TP ℹ️

0.05 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.02 µg/L

11/19/2014

10 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

0.17 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.14 µg/L

9/17/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 9.97 µg/L

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 8.97 µg/L

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

8.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 8.17 µg/L

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.97 µg/L

8/28/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.97 µg/L

8/28/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

0.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.77 µg/L

8/28/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

0.19 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.16 µg/L

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

0.081 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.051 µg/L

8/28/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

0.07 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.04 µg/L

8/28/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

7.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 7.37 µg/L

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

5.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.37 µg/L

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

4.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.67 µg/L

8/25/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

3.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.67 µg/L

8/25/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.97 µg/L

8/25/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

0.85 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.82 µg/L

8/25/2014

11 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

0.56 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.53 µg/L

8/25/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

0.55 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.52 µg/L

8/25/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

0.64 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.61 µg/L

6/3/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

0.077 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.047 µg/L

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 9.97 µg/L

2/27/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.57 µg/L

2/27/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

5.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.67 µg/L

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

5.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.17 µg/L

2/26/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

4.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.77 µg/L

2/26/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.07 µg/L

2/26/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

3.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.07 µg/L

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

0.092 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.062 µg/L

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 12.97 µg/L

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

9.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 9.37 µg/L

2/25/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

2.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.77 µg/L

2/25/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

0.12 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.09 µg/L

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

7.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 7.77 µg/L

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

4.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.17 µg/L

2/24/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.97 µg/L

2/24/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

2.6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.57 µg/L

2/24/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

cobalt (40)

EP #21 - Well 8 Treated

Well 8 ℹ️

<1 µg/L

Below Reporting Level

2/19/2015

10 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<1 µg/L

Below Reporting Level

11/19/2014

10 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

<1 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<1 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<1 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<1 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<1 µg/L

Below Reporting Level

8/25/2014

11 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/25/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/25/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/25/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<1 µg/L

Below Reporting Level

5/28/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

<1 µg/L

Below Reporting Level

5/28/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<1 µg/L

Below Reporting Level

2/27/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<1 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<1 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<1 µg/L

Below Reporting Level

2/26/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/26/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/26/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

<1 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<1 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<1 µg/L

Below Reporting Level

2/25/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/25/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<1 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<1 µg/L

Below Reporting Level

2/24/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

cylindrospermopsin (8)

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

8/26/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

8/17/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

7/30/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

6/24/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

6/15/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

5/27/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

5/14/2020

5 years ago

Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L

Contaminant Details

dimethipin (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.2 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L

Contaminant Details

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

WELL 13 0710004-012

WELL 13 ℹ️

<1 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<1 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<1 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 14

WELL 14 ℹ️

<1 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 10A 0710004-009

WELL 10A ℹ️

<1 µg/L

Below Reporting Level

12/12/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

ethoprop (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L

Contaminant Details

Germanium (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.3 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.3 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.3 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

HAA5 (five regulated haloacetic acids) (32)

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

4.52 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

4.41 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

3.79 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

3.79 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

3.69 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

3.56 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

2.14 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

1.89 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

6.48 µg/L

Meets Reporting Threshold

9/18/2019

5 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

6.31 µg/L

Meets Reporting Threshold

9/18/2019

5 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

6.12 µg/L

Meets Reporting Threshold

9/18/2019

5 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

5.95 µg/L

Meets Reporting Threshold

9/18/2019

5 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

5.3 µg/L

Meets Reporting Threshold

9/18/2019

5 years ago

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

5.24 µg/L

Meets Reporting Threshold

9/18/2019

5 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

3.02 µg/L

Meets Reporting Threshold

9/18/2019

5 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

2.93 µg/L

Meets Reporting Threshold

9/18/2019

5 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

7.76 µg/L

Meets Reporting Threshold

6/17/2019

6 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

7.76 µg/L

Meets Reporting Threshold

6/17/2019

6 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

7.73 µg/L

Meets Reporting Threshold

6/17/2019

6 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

6.89 µg/L

Meets Reporting Threshold

6/17/2019

6 years ago

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

6.56 µg/L

Meets Reporting Threshold

6/17/2019

6 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

6.3 µg/L

Meets Reporting Threshold

6/17/2019

6 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

3.47 µg/L

Meets Reporting Threshold

6/17/2019

6 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

3.33 µg/L

Meets Reporting Threshold

6/17/2019

6 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

5.67 µg/L

Meets Reporting Threshold

3/25/2019

6 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

4.89 µg/L

Meets Reporting Threshold

3/25/2019

6 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

4.68 µg/L

Meets Reporting Threshold

3/25/2019

6 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

4.11 µg/L

Meets Reporting Threshold

3/25/2019

6 years ago

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

3.89 µg/L

Meets Reporting Threshold

3/25/2019

6 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

3.72 µg/L

Meets Reporting Threshold

3/25/2019

6 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

3.46 µg/L

Meets Reporting Threshold

3/25/2019

6 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

3.3 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) (32)

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

3.76 µg/L

12/5/2019

5 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

3.67 µg/L

12/5/2019

5 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

3.61 µg/L

12/5/2019

5 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

3.06 µg/L

12/5/2019

5 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

2.9 µg/L

12/5/2019

5 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

2.39 µg/L

12/5/2019

5 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

2.07 µg/L

12/5/2019

5 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

1.84 µg/L

12/5/2019

5 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

4.12 µg/L

9/18/2019

5 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

3.6 µg/L

9/18/2019

5 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

3.55 µg/L

9/18/2019

5 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

3.15 µg/L

9/18/2019

5 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

3.12 µg/L

9/18/2019

5 years ago

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

2.66 µg/L

9/18/2019

5 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

1.45 µg/L

9/18/2019

5 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

1.38 µg/L

9/18/2019

5 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

4 µg/L

6/17/2019

6 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

3.94 µg/L

6/17/2019

6 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

3.92 µg/L

6/17/2019

6 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

3.82 µg/L

6/17/2019

6 years ago

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

3.73 µg/L

6/17/2019

6 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

3.27 µg/L

6/17/2019

6 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

2.48 µg/L

6/17/2019

6 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

2.43 µg/L

6/17/2019

6 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

12.9 µg/L

3/25/2019

6 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

12.1 µg/L

3/25/2019

6 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

11.4 µg/L

3/25/2019

6 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

11.4 µg/L

3/25/2019

6 years ago

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

10.5 µg/L

3/25/2019

6 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

10.5 µg/L

3/25/2019

6 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

10.2 µg/L

3/25/2019

6 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

8.5 µg/L

3/25/2019

6 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

HAA9 (nine haloacetic acids) (32)

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

7.61 µg/L

12/5/2019

5 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

7.38 µg/L

12/5/2019

5 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

6.51 µg/L

12/5/2019

5 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

6.08 µg/L

12/5/2019

5 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

5.8 µg/L

12/5/2019

5 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

5.39 µg/L

12/5/2019

5 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

3.86 µg/L

12/5/2019

5 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

3.43 µg/L

12/5/2019

5 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

9.62 µg/L

9/18/2019

5 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

9.41 µg/L

9/18/2019

5 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

8.8 µg/L

9/18/2019

5 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

8.71 µg/L

9/18/2019

5 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

7.45 µg/L

9/18/2019

5 years ago

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

7.14 µg/L

9/18/2019

5 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

4.02 µg/L

9/18/2019

5 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

3.88 µg/L

9/18/2019

5 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

10.98 µg/L

6/17/2019

6 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

10.97 µg/L

6/17/2019

6 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

10.89 µg/L

6/17/2019

6 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

10.24 µg/L

6/17/2019

6 years ago

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

9.57 µg/L

6/17/2019

6 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

8.99 µg/L

6/17/2019

6 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

5.43 µg/L

6/17/2019

6 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

5.28 µg/L

6/17/2019

6 years ago

DDBP Site S-12 (1755 Central Blvd.)

Distribution System ℹ️

15.67 µg/L

3/25/2019

6 years ago

DDBP Site S-17 (2150 Roper Circle)

Distribution System ℹ️

14.39 µg/L

3/25/2019

6 years ago

DDBP Site S-20 (1290 Fairview Avenue)

Distribution System ℹ️

14.28 µg/L

3/25/2019

6 years ago

DDBP Site S-15 (Sand Creek X)

Distribution System ℹ️

14 µg/L

3/25/2019

6 years ago

DDBP Site S-19 (2671 Presidio Drive)

Distribution System ℹ️

13.01 µg/L

3/25/2019

6 years ago

DDBP Site S-18 (2621 Presidio Drive)

Distribution System ℹ️

12.79 µg/L

3/25/2019

6 years ago

DDBP Site S-9 (Zone 1 PS)

Distribution System ℹ️

12.32 µg/L

3/25/2019

6 years ago

DDBP Site S-21 (2528 Winged Foot Road)

Distribution System ℹ️

10.76 µg/L

3/25/2019

6 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

lithium (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

70.7 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 61.7 µg/L

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<9 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

84.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 75.4 µg/L

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

78.7 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 69.7 µg/L

12/18/2024

8 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

69.8 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 60.8 µg/L

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

67.6 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 58.6 µg/L

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

57.1 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 48.1 µg/L

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<9 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<9 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

102 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 93 µg/L

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

95.2 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 86.2 µg/L

6/24/2024

14 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

86.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 77.4 µg/L

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

67.8 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 58.8 µg/L

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<9 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 9 µg/L
Reference Level: ?

Contaminant Details

Manganese (17)

COB Water Treatment Plant

Water TP ℹ️

1.8 µg/L

Meets Reporting Threshold

3/19/2020

5 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.4 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

1.2 µg/L

Meets Reporting Threshold

11/14/2019

5 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

4.9 µg/L

Meets Reporting Threshold

8/26/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

0.97 µg/L

Meets Reporting Threshold

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

0.53 µg/L

Meets Reporting Threshold

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

1.8 µg/L

Meets Reporting Threshold

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.4 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.4 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.4 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

2.9 µg/L

Meets Reporting Threshold

5/22/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

3.4 µg/L

Meets Reporting Threshold

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

0.68 µg/L

Meets Reporting Threshold

2/25/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.4 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (14)

WELL 13 0710004-012

WELL 13 ℹ️

<5 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<5 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<5 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 14

WELL 14 ℹ️

<5 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<5 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<5 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<5 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<5 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<5 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<5 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<5 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<5 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<5 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<5 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 5 µg/L
Reference Level: ?

Contaminant Details

molinate (15)

WELL 13 0710004-012

WELL 13 ℹ️

<0.9 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<0.9 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<0.9 µg/L

Below Reporting Level

3/13/2002

23 years ago

WELL 14

WELL 14 ℹ️

<0.9 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 10A 0710004-009

WELL 10A ℹ️

<0.9 µg/L

Below Reporting Level

12/12/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<0.9 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<0.9 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<0.9 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<0.9 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<0.9 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<0.9 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<0.9 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<0.9 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 0.9 µg/L
Reference Level: ?

Contaminant Details

molybdenum (40)

EP #21 - Well 8 Treated

Well 8 ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.6 µg/L

2/19/2015

10 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

2.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.8 µg/L

2/19/2015

10 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

4.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.8 µg/L

11/19/2014

10 years ago

COB Water Treatment Plant

Water TP ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

11/19/2014

10 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

6.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.3 µg/L

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.9 µg/L

8/28/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.4 µg/L

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

2.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.1 µg/L

8/28/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L

8/28/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

8/28/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L

8/28/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L

8/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<1 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

4.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.8 µg/L

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.4 µg/L

8/25/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

3.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.5 µg/L

8/25/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

2.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.6 µg/L

8/25/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.8 µg/L

8/25/2014

11 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.7 µg/L

8/25/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.7 µg/L

8/25/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L

5/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.7 µg/L

5/28/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.6 µg/L

3/6/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

4.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.2 µg/L

2/27/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<1 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

5.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.4 µg/L

2/26/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4 µg/L

2/26/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.6 µg/L

2/26/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

3.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.8 µg/L

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.8 µg/L

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.9 µg/L

2/25/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

3.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.4 µg/L

2/25/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1 µg/L

2/25/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5 µg/L

2/24/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

4.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.3 µg/L

2/24/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

3.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L

2/24/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.006 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.006 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.006 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.006 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.006 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.006 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.006 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.006 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.006 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.006 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.006 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.006 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.006 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.006 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.006 µg/L
Reference Level: ?

Contaminant Details

nitrobenzene (14)

WELL 13 0710004-012

WELL 13 ℹ️

<10 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<10 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<10 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 14

WELL 14 ℹ️

<10 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<10 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<10 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<10 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<10 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<10 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<10 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<10 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<10 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<10 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<10 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 10 µg/L
Reference Level: ?

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.02 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.02 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: ?

Contaminant Details

o-toluidine (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.007 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.007 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.007 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.007 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.007 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.007 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.007 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.007 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.007 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.007 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.007 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.007 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.007 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

oxyfluorfen (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.05 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.05 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.05 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.05 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.05 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.05 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.05 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.05 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.05 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.05 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.05 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.05 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.05 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.05 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.05 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.05 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.05 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L

Contaminant Details

perchlorate (15)

WELL 13 0710004-012

WELL 13 ℹ️

<4 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<4 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<4 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 14

WELL 14 ℹ️

<4 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 10A 0710004-009

WELL 10A ℹ️

<4 µg/L

Below Reporting Level

12/12/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<4 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<4 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<4 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<4 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<4 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<4 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<4 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<4 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 4 µg/L
Reference Level: ?

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoro-3-methoxypropanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoro-4-methoxybutanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanesulfonic acid (34)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.09 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.09 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.09 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.09 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.09 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.09 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.09 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.09 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.09 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.09 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.09 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.09 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.09 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.09 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.09 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.09 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.09 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.005 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

perfluorodecanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorododecanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanesulfonic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanoic acid (34)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.01 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.01 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.01 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.01 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.01 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.01 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.01 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.01 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.01 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.01 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.01 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanesulfonic acid (34)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.03 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.03 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorononanoic acid (34)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.02 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.02 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanesulfonic acid (34)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.04 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.04 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.04 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.04 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.04 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.04 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.04 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.04 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.04 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.04 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanoic acid (34)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

2/19/2015

10 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.02 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

8/25/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

5/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

2/27/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.02 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

2/24/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanesulfonic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.004 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.003 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorotetradecanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.008 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.008 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.008 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.008 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.008 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.008 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.008 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.008 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.008 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.008 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.008 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.008 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.008 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.008 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.008 µg/L
Reference Level: ?

Contaminant Details

perfluorotridecanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.007 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.007 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.007 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.007 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.007 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.007 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.007 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.007 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.007 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.007 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

perfluoroundecanoic acid (14)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.002 µg/L

Below Reporting Level

5/7/2025

3 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.002 µg/L

Below Reporting Level

3/27/2025

5 months ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.002 µg/L

Below Reporting Level

12/18/2024

8 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.002 µg/L

Below Reporting Level

9/11/2024

11 months ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

COB Water Treatment Plant

Water TP ℹ️

<0.002 µg/L

Below Reporting Level

6/24/2024

14 months ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

profenofos (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.3 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.3 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.3 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L

Contaminant Details

quinoline (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.02 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.02 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.02 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (15)

WELL 13 0710004-012

WELL 13 ℹ️

<1 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<1 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<1 µg/L

Below Reporting Level

3/13/2002

23 years ago

WELL 14

WELL 14 ℹ️

<1 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 10A 0710004-009

WELL 10A ℹ️

<1 µg/L

Below Reporting Level

12/12/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<1 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<1 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

strontium (40)

EP #21 - Well 8 Treated

Well 8 ℹ️

1500 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1499.7 µg/L

2/19/2015

10 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

490 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 489.7 µg/L

2/19/2015

10 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

11/19/2014

10 years ago

COB Water Treatment Plant

Water TP ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 199.7 µg/L

11/19/2014

10 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

940 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 939.7 µg/L

8/28/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

930 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 929.7 µg/L

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

830 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 829.7 µg/L

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

750 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 749.7 µg/L

8/28/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

410 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 409.7 µg/L

8/28/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

330 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 329.7 µg/L

8/28/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

220 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 219.7 µg/L

8/28/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 199.7 µg/L

8/28/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

180 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 179.7 µg/L

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

170 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 169.7 µg/L

8/28/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

1500 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1499.7 µg/L

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

1500 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1499.7 µg/L

8/25/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

1000 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 999.7 µg/L

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

760 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 759.7 µg/L

8/25/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

600 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 599.7 µg/L

8/25/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

330 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 329.7 µg/L

8/25/2014

11 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

280 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 279.7 µg/L

8/25/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

280 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 279.7 µg/L

8/25/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

350 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 349.7 µg/L

5/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 199.7 µg/L

5/28/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

3/6/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

900 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 899.7 µg/L

2/27/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

780 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 779.7 µg/L

2/27/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

1000 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 999.7 µg/L

2/26/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

940 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 939.7 µg/L

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

700 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 699.7 µg/L

2/26/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

670 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 669.7 µg/L

2/26/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

570 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 569.7 µg/L

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

210 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 209.7 µg/L

2/26/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

830 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 829.7 µg/L

2/25/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

750 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 749.7 µg/L

2/25/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

540 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 539.7 µg/L

2/25/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

240 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 239.7 µg/L

2/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

1300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1299.7 µg/L

2/24/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

880 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 879.7 µg/L

2/24/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

560 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 559.7 µg/L

2/24/2014

11 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

tebuconazole (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.2 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.2 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L

Contaminant Details

terbacil (15)

WELL 13 0710004-012

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 14

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

6/19/2002

23 years ago

WELL 13 0710004-012

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

3/13/2002

23 years ago

WELL 14

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

1/16/2002

23 years ago

WELL 10A 0710004-009

WELL 10A ℹ️

<2 µg/L

Below Reporting Level

12/12/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<2 µg/L

Below Reporting Level

12/5/2001

23 years ago

WELL 06 01N/03E-06N01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 07 01N/03E-06N02

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 08 01N/03E-06N03

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 11 01N/03E-19B01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

WELL 12 0710004-011

WELL 12 ℹ️

<2 µg/L

Below Reporting Level

6/6/2001

24 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

total microcystins (8)

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

8/26/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

8/17/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

7/30/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

6/24/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

6/15/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

5/27/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.3 µg/L

Below Reporting Level

5/14/2020

5 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

Total Permethrin (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.04 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.04 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.04 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.04 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.04 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.04 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.04 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L

Contaminant Details

tribufos (17)

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.07 µg/L

Below Reporting Level

3/19/2020

5 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.07 µg/L

Below Reporting Level

11/14/2019

5 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.07 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

8/26/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

8/26/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.07 µg/L

Below Reporting Level

8/14/2019

6 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.07 µg/L

Below Reporting Level

8/12/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.07 µg/L

Below Reporting Level

8/12/2019

6 years ago

COB Water Treatment Plant

Water TP ℹ️

<0.07 µg/L

Below Reporting Level

5/22/2019

6 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2019

6 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

2/25/2019

6 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L

Contaminant Details

vanadium (40)

EP #21 - Well 8 Treated

Well 8 ℹ️

5.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.5 µg/L

2/19/2015

10 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

4.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.6 µg/L

2/19/2015

10 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

9.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 8.9 µg/L

11/19/2014

10 years ago

COB Water Treatment Plant

Water TP ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.8 µg/L

11/19/2014

10 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 12.8 µg/L

8/28/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

5.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.3 µg/L

8/28/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

4.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4 µg/L

8/28/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.9 µg/L

8/28/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L

8/28/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

3.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.3 µg/L

8/28/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

3.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.2 µg/L

8/28/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

3.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.9 µg/L

8/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

3.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.9 µg/L

8/28/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

2.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.1 µg/L

8/28/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

7.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7 µg/L

8/25/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

6.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.6 µg/L

8/25/2014

11 years ago

EP #21 - Well 8 Treated

Well 8 ℹ️

5.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.1 µg/L

8/25/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.8 µg/L

8/25/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.9 µg/L

8/25/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L

8/25/2014

11 years ago

DSMRT for Well 8 - 228-A Hanson Lane

Distribution System - GW ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L

8/25/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L

8/25/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.6 µg/L

5/28/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.8 µg/L

5/28/2014

11 years ago

DSMRT for Well 6 - 2000 Homecoming Way

Distribution System - GW ℹ️

6.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.7 µg/L

3/6/2014

11 years ago

DSMRT for Well 9 - 650 Sunset Road

Distribution System - GW ℹ️

6.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.2 µg/L

2/27/2014

11 years ago

EP #25 - Well 9 Treated

Well 9 ℹ️

2.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.1 µg/L

2/27/2014

11 years ago

DSMRT for COB WTP

Distribution - SW ℹ️

8.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 8.3 µg/L

2/26/2014

11 years ago

EP #20 - Well 7 Treated

Well 7 ℹ️

7.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.5 µg/L

2/26/2014

11 years ago

DSMRT for Well 15 - 2222 Elkins Way

Distribution System - GW ℹ️

6.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6 µg/L

2/26/2014

11 years ago

DSMRT for Well 7 - 228-B Hanson Lane

Distribution System - GW ℹ️

5.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.1 µg/L

2/26/2014

11 years ago

EP #26 - Well 15 Treated

Well 15 ℹ️

3.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.5 µg/L

2/26/2014

11 years ago

COB Water Treatment Plant

Water TP ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2 µg/L

2/26/2014

11 years ago

EP #22 - Well 13 Treated

Well 13 ℹ️

6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.8 µg/L

2/25/2014

11 years ago

DSMRT for Well 13 - 745 Redhaven Street

Distribution System - GW ℹ️

5.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.4 µg/L

2/25/2014

11 years ago

EP #17: Well 12 Treated

Well 12 ℹ️

3.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.3 µg/L

2/25/2014

11 years ago

DSMRT for Well 12 - 265 Guthrie Lane

Distribution System - GW ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.2 µg/L

2/25/2014

11 years ago

EP #18 - Well 14 Treated

Well 14 ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 12.8 µg/L

2/24/2014

11 years ago

EP #19 - Well 6 Treated

Well 6 ℹ️

6.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.2 µg/L

2/24/2014

11 years ago

DSMRT for Well 14 - 8414 Lone Tree Way

Distribution System - GW ℹ️

4.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.6 µg/L

2/24/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Sampling Facilities

Well 8
Ground Water (GW)

EP #21 - Well 8 TreatedEntry Point to the Distribution System (EP)

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

Well 7
Ground Water (GW)

EP #20 - Well 7 TreatedEntry Point to the Distribution System (EP)

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

Well 6
Ground Water (GW)

EP #19 - Well 6 TreatedEntry Point to the Distribution System (EP)

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

Well 14
Ground Water (GW)

EP #18 - Well 14 TreatedEntry Point to the Distribution System (EP)

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

Well 15
Ground Water (GW)

EP #26 - Well 15 TreatedEntry Point to the Distribution System (EP)

Water TP
Surface Water (SW)

COB Water Treatment PlantEntry Point to the Distribution System (EP)

Well 9
Ground Water (GW)

EP #25 - Well 9 TreatedEntry Point to the Distribution System (EP)

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

Well 13
Ground Water (GW)

EP #22 - Well 13 TreatedEntry Point to the Distribution System (EP)

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

Distribution System
Multiple Sources (MX)

DDBP Site S-9 (Zone 1 PS)Distribution System (DS)

DDBP Site S-12 (1755 Central Blvd.)Distribution System (DS)

DDBP Site S-15 (Sand Creek X)Distribution System (DS)

DDBP Site S-17 (2150 Roper Circle)Distribution System (DS)

DDBP Site S-18 (2621 Presidio Drive)Distribution System (DS)

DDBP Site S-19 (2671 Presidio Drive)Distribution System (DS)

DDBP Site S-20 (1290 Fairview Avenue)Distribution System (DS)

DDBP Site S-21 (2528 Winged Foot Road)Distribution System (DS)

Well 12
Ground Water (GW)

EP #17: Well 12 TreatedEntry Point to the Distribution System (EP)

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

Distribution System - GW
Ground Water (GW)

DSMRT for Well 9 - 650 Sunset RoadMaximum Residence Time (MR)

DSMRT for Well 13 - 745 Redhaven StreetMaximum Residence Time (MR)

DSMRT for Well 8 - 228-A Hanson LaneMaximum Residence Time (MR)

DSMRT for Well 7 - 228-B Hanson LaneMaximum Residence Time (MR)

DSMRT for Well 6 - 2000 Homecoming WayMaximum Residence Time (MR)

DSMRT for Well 14 - 8414 Lone Tree WayMaximum Residence Time (MR)

DSMRT for Well 12 - 265 Guthrie LaneMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Well 15 - 2222 Elkins WayMaximum Residence Time (MR)

Distribution - SW
Surface Water (SW)

DSMRT for COB WTPMaximum Residence Time (MR)

EP- #015 WELL 10A - IRRIGATION - TREATED-INACTIVE
Ground Water (GW)

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

EP- #016 WELL 11 - TREATED
Ground Water (GW)

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

WELL 06
Ground Water (GW)

WELL 06 01N/03E-06N01SR (SR)

WELL 07
Ground Water (GW)

WELL 07 01N/03E-06N02SR (SR)

WELL 08
Ground Water (GW)

WELL 08 01N/03E-06N03SR (SR)

WELL 10A
Ground Water (GW)

WELL 10A 0710004-009SR (SR)

WELL 11
Ground Water (GW)

WELL 11 01N/03E-19B01SR (SR)

WELL 12
Ground Water (GW)

WELL 12 0710004-011SR (SR)

WELL 13
Ground Water (GW)

WELL 13 0710004-012SR (SR)

WELL 14
Ground Water (GW)

WELL 14SR (SR)

FAQ

Is City of Brentwood tap water safe to drink?

When was City of Brentwood last tested for water contamination?

The latest water samples were taken on May 7th, 2025.