City of Pleasanton (CA) Water Quality

City of Pleasanton is a large public water system in EPA region 9 that provides tap water for the 94566 zip codes. It has 11 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 16.7 µg/L. The maximum reported level of Manganese was 0.91 µg/L. There were 2 contamintants found in the City of Pleasanton water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (10)
1,2,3-trichloropropane (10)
1,3-butadiene (10)
1,4-dioxane (10)
1-butanol (9)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (7)
1H,1H,2H,2H-perfluorodecane sulfonic acid (7)
1H,1H,2H,2H-perfluorohexane sulfonic acid (7)
1H,1H,2H,2H-perfluorooctane sulfonic acid (7)
2,4-dinitrotoluene (6)
2,6-dinitrotoluene (6)
2-methoxyethanol (9)
2-propen-1-ol (Allyl Alcohol) (9)
4,4'-dichloro dichlorophenyl ethylene (DDE) (6)
4,8-dioxa-3H-perfluorononanoic acid (7)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (7)
alpha-hexachlorocyclohexane (9)
anatoxin-a (8)
bromochloromethane (Halon 1011) (10)
bromomethane (10)
Butylated Hydroxyanisole (9)
chlorate (16)
chlorodifluoromethane (HCFC-22) (10)
chloromethane (10)
chlorpyrifos (9)
chromium (16)
chromium-6 (16)
cobalt (16)
cylindrospermopsin (8)
dimethipin (9)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (6)
ethoprop (9)
Germanium (9)
HAA5 (five regulated haloacetic acids) (32)
HAA6Br (six brominated haloacetic acids) (32)
HAA9 (nine haloacetic acids) (32)
hexafluoropropylene oxide dimer acid (GenX) (7)
lithium (7)
Manganese (9)
methyl-tertiary-butyl-ether (MTBE) (6)
molinate (6)
molybdenum (16)
N-ethyl perfluorooctanesulfonamidoacetic acid (7)
N-methyl perfluorooctanesulfonamidoacetic acid (7)
nitrobenzene (6)
nonafluoro-3,6-dioxaheptanoic acid (7)
o-toluidine (9)
oxyfluorfen (9)
perchlorate (6)
perfluoro(2-ethoxyethane)sulfonic acid (7)
perfluoro-3-methoxypropanoic acid (7)
perfluoro-4-methoxybutanoic acid (7)
perfluorobutanesulfonic acid (17)
perfluorobutanoic acid (7)
perfluorodecanoic acid (7)
perfluorododecanoic acid (7)
perfluoroheptanesulfonic acid (7)
perfluoroheptanoic acid (17)
perfluorohexanesulfonic acid (17)
perfluorohexanoic acid (7)
perfluorononanoic acid (17)
perfluorooctanesulfonic acid (17)
perfluorooctanoic acid (17)
perfluoropentanesulfonic acid (7)
perfluoropentanoic acid (7)
perfluorotetradecanoic acid (7)
perfluorotridecanoic acid (7)
perfluoroundecanoic acid (7)
profenofos (9)
quinoline (9)
s-ethyl-dipropylthiocarbamate (EPTC) (6)
strontium (16)
tebuconazole (9)
terbacil (6)
total microcystins (8)
Total Permethrin (9)
tribufos (9)
vanadium (16)

1,1-dichloroethane (10)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

1,2,3-trichloropropane (10)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

1,3-butadiene (10)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.1 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.1 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.1 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.1 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.1 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.1 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.1 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.1 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.1 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.1 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

1,4-dioxane (10)

EP #9: Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

4/20/2015

10 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.07 µg/L

Below Reporting Level

4/20/2015

10 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

4/20/2015

10 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.07 µg/L

Below Reporting Level

8/5/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.07 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.07 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.07 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.07 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

1-butanol (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<2 µg/L

Below Reporting Level

12/18/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<2 µg/L

Below Reporting Level

9/26/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<2 µg/L

Below Reporting Level

9/26/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<2 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<2 µg/L

Below Reporting Level

6/12/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<2 µg/L

Below Reporting Level

5/6/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<2 µg/L

Below Reporting Level

3/25/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<2 µg/L

Below Reporting Level

3/25/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<2 µg/L

Below Reporting Level

3/25/2019

6 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

2,4-dinitrotoluene (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

6/5/2002

23 years ago

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

Contaminant Details

2,6-dinitrotoluene (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

6/5/2002

23 years ago

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

Contaminant Details

2-methoxyethanol (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.4 µg/L

Below Reporting Level

12/18/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.4 µg/L

Below Reporting Level

9/26/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

9/26/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.4 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.4 µg/L

Below Reporting Level

6/12/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.4 µg/L

Below Reporting Level

5/6/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.4 µg/L

Below Reporting Level

3/25/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.4 µg/L

Below Reporting Level

3/25/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

3/25/2019

6 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.5 µg/L

Below Reporting Level

12/18/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.5 µg/L

Below Reporting Level

9/26/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.5 µg/L

Below Reporting Level

9/26/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.5 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.5 µg/L

Below Reporting Level

6/12/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.5 µg/L

Below Reporting Level

5/6/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.5 µg/L

Below Reporting Level

3/25/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.5 µg/L

Below Reporting Level

3/25/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.5 µg/L

Below Reporting Level

3/25/2019

6 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<0.8 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<0.8 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<0.8 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<0.8 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

6/5/2002

23 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.002 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.002 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.002 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.002 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.002 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.01 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.01 µg/L

Below Reporting Level

10/21/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.01 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.01 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.01 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.01 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

anatoxin-a (8)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/23/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/8/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2019

6 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (10)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.06 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.06 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.06 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.06 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.06 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.06 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.06 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.06 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.06 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.06 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

bromomethane (10)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

Butylated Hydroxyanisole (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

chlorate (16)

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

850 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 830 µg/L

8/5/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

270 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 250 µg/L

8/5/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

170 µg/L

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

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

87 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 67 µg/L

5/13/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

79 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 59 µg/L

5/13/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

650 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 630 µg/L

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

160 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 140 µg/L

5/6/2014

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

160 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 140 µg/L

5/6/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

450 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 430 µg/L

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L

2/4/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

740 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 720 µg/L

11/4/2013

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

330 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 310 µg/L

11/4/2013

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

180 µg/L

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

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

130 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 110 µg/L

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

88 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 68 µg/L

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

53 µg/L

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

11/4/2013

11 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (10)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.08 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.08 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.08 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.08 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.08 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.08 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.08 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.08 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.08 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.08 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

chloromethane (10)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

chlorpyrifos (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

10/21/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

chromium (16)

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

5.6 µg/L

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

8/5/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.21 µg/L

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

4.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.7 µg/L

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

4 µg/L

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

5/13/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

3 µg/L

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

5/13/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

2.2 µg/L

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

5/6/2014

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.21 µg/L

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.29 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.09 µg/L

5/6/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

5.5 µg/L

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

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.4 µg/L

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

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

5.6 µg/L

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

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

4.7 µg/L

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

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.7 µg/L

11/4/2013

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

2.8 µg/L

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

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

2.4 µg/L

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

11/4/2013

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L

11/4/2013

11 years ago

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

Contaminant Details

chromium-6 (16)

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.37 µg/L

8/5/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.09 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.06 µg/L

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

8.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 8.37 µg/L

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

6.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 6.87 µg/L

5/13/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

4.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.87 µg/L

5/13/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.87 µg/L

5/6/2014

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.19 µg/L

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.081 µg/L

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

5/6/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

5.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.07 µg/L

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.17 µg/L

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

5.2 µg/L

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

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

4.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.27 µg/L

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

3.7 µg/L

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

11/4/2013

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

3.1 µg/L

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

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.37 µg/L

11/4/2013

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.57 µg/L

11/4/2013

11 years ago

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

Contaminant Details

cobalt (16)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<1 µg/L

Below Reporting Level

8/5/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<1 µg/L

Below Reporting Level

5/6/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

5/6/2014

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<1 µg/L

Below Reporting Level

2/4/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

cylindrospermopsin (8)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

9/17/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

9/11/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

8/28/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/23/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/8/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

6/5/2019

6 years ago

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

Contaminant Details

dimethipin (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

10/21/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

6/5/2002

23 years ago

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

Contaminant Details

ethoprop (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

10/21/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

Germanium (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.3 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.3 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (32)

S-17 Stoneridge Dr.

Stage II ℹ️

8.91 µg/L

Meets Reporting Threshold

12/18/2019

5 years ago

S-31 Kilkare Road

Stage II ℹ️

8.09 µg/L

Meets Reporting Threshold

12/18/2019

5 years ago

S-12 Pimlico Dr.

Stage II ℹ️

8.02 µg/L

Meets Reporting Threshold

12/18/2019

5 years ago

S-47 Ruby Hills

Stage II ℹ️

5.67 µg/L

Meets Reporting Threshold

12/18/2019

5 years ago

S-48 Ruby Hill

Stage II ℹ️

5.63 µg/L

Meets Reporting Threshold

12/18/2019

5 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

3.48 µg/L

Meets Reporting Threshold

12/18/2019

5 years ago

S-26 Kottinger Dr.

Stage II ℹ️

0.9 µg/L

Meets Reporting Threshold

12/18/2019

5 years ago

S-46 Turnout # 5

Stage II ℹ️

0 µg/L

Meets Reporting Threshold

12/18/2019

5 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

7.55 µg/L

Meets Reporting Threshold

9/17/2019

6 years ago

S-31 Kilkare Road

Stage II ℹ️

14.4 µg/L

Meets Reporting Threshold

9/16/2019

6 years ago

S-48 Ruby Hill

Stage II ℹ️

7.02 µg/L

Meets Reporting Threshold

9/16/2019

6 years ago

S-12 Pimlico Dr.

Stage II ℹ️

6.63 µg/L

Meets Reporting Threshold

9/16/2019

6 years ago

S-46 Turnout # 5

Stage II ℹ️

6.53 µg/L

Meets Reporting Threshold

9/16/2019

6 years ago

S-47 Ruby Hills

Stage II ℹ️

6.31 µg/L

Meets Reporting Threshold

9/16/2019

6 years ago

S-26 Kottinger Dr.

Stage II ℹ️

5.84 µg/L

Meets Reporting Threshold

9/16/2019

6 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

3.27 µg/L

Meets Reporting Threshold

9/16/2019

6 years ago

S-47 Ruby Hills

Stage II ℹ️

16.7 µg/L

Meets Reporting Threshold

6/26/2019

6 years ago

S-26 Kottinger Dr.

Stage II ℹ️

15.6 µg/L

Meets Reporting Threshold

6/12/2019

6 years ago

S-48 Ruby Hill

Stage II ℹ️

15.1 µg/L

Meets Reporting Threshold

6/12/2019

6 years ago

S-46 Turnout # 5

Stage II ℹ️

14.9 µg/L

Meets Reporting Threshold

6/12/2019

6 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

13.66 µg/L

Meets Reporting Threshold

6/12/2019

6 years ago

S-31 Kilkare Road

Stage II ℹ️

12.6 µg/L

Meets Reporting Threshold

6/12/2019

6 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

9.82 µg/L

Meets Reporting Threshold

6/12/2019

6 years ago

S-12 Pimlico Dr.

Stage II ℹ️

4.77 µg/L

Meets Reporting Threshold

6/12/2019

6 years ago

S-48 Ruby Hill

Stage II ℹ️

13.3 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

S-47 Ruby Hills

Stage II ℹ️

12.55 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

S-31 Kilkare Road

Stage II ℹ️

6.26 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

S-26 Kottinger Dr.

Stage II ℹ️

1.48 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

S-46 Turnout # 5

Stage II ℹ️

0.38 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

0.36 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

S-12 Pimlico Dr.

Stage II ℹ️

0.3 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

0 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L

Contaminant Details

HAA6Br (six brominated haloacetic acids) (32)

S-31 Kilkare Road

Stage II ℹ️

11.1 µg/L

12/18/2019

5 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

10.81 µg/L

12/18/2019

5 years ago

S-12 Pimlico Dr.

Stage II ℹ️

9.92 µg/L

12/18/2019

5 years ago

S-47 Ruby Hills

Stage II ℹ️

6.42 µg/L

12/18/2019

5 years ago

S-48 Ruby Hill

Stage II ℹ️

6.38 µg/L

12/18/2019

5 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

3.65 µg/L

12/18/2019

5 years ago

S-26 Kottinger Dr.

Stage II ℹ️

1.17 µg/L

12/18/2019

5 years ago

S-46 Turnout # 5

Stage II ℹ️

0 µg/L

12/18/2019

5 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

6.91 µg/L

9/17/2019

6 years ago

S-31 Kilkare Road

Stage II ℹ️

22 µg/L

9/16/2019

6 years ago

S-48 Ruby Hill

Stage II ℹ️

6.27 µg/L

9/16/2019

6 years ago

S-12 Pimlico Dr.

Stage II ℹ️

6.26 µg/L

9/16/2019

6 years ago

S-47 Ruby Hills

Stage II ℹ️

6.07 µg/L

9/16/2019

6 years ago

S-46 Turnout # 5

Stage II ℹ️

6.06 µg/L

9/16/2019

6 years ago

S-26 Kottinger Dr.

Stage II ℹ️

5.94 µg/L

9/16/2019

6 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

3.63 µg/L

9/16/2019

6 years ago

S-47 Ruby Hills

Stage II ℹ️

6.21 µg/L

6/26/2019

6 years ago

S-31 Kilkare Road

Stage II ℹ️

19.4 µg/L

6/12/2019

6 years ago

S-26 Kottinger Dr.

Stage II ℹ️

5.89 µg/L

6/12/2019

6 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

5.76 µg/L

6/12/2019

6 years ago

S-46 Turnout # 5

Stage II ℹ️

5.54 µg/L

6/12/2019

6 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

4.52 µg/L

6/12/2019

6 years ago

S-48 Ruby Hill

Stage II ℹ️

4.4 µg/L

6/12/2019

6 years ago

S-12 Pimlico Dr.

Stage II ℹ️

1.37 µg/L

6/12/2019

6 years ago

S-48 Ruby Hill

Stage II ℹ️

19.4 µg/L

3/11/2019

6 years ago

S-47 Ruby Hills

Stage II ℹ️

18.15 µg/L

3/11/2019

6 years ago

S-31 Kilkare Road

Stage II ℹ️

12.91 µg/L

3/11/2019

6 years ago

S-26 Kottinger Dr.

Stage II ℹ️

1.51 µg/L

3/11/2019

6 years ago

S-46 Turnout # 5

Stage II ℹ️

0.38 µg/L

3/11/2019

6 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

0.36 µg/L

3/11/2019

6 years ago

S-12 Pimlico Dr.

Stage II ℹ️

0.3 µg/L

3/11/2019

6 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

0 µg/L

3/11/2019

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (32)

S-17 Stoneridge Dr.

Stage II ℹ️

17.01 µg/L

12/18/2019

5 years ago

S-12 Pimlico Dr.

Stage II ℹ️

15.52 µg/L

12/18/2019

5 years ago

S-31 Kilkare Road

Stage II ℹ️

13.89 µg/L

12/18/2019

5 years ago

S-47 Ruby Hills

Stage II ℹ️

10.02 µg/L

12/18/2019

5 years ago

S-48 Ruby Hill

Stage II ℹ️

9.88 µg/L

12/18/2019

5 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

5.55 µg/L

12/18/2019

5 years ago

S-26 Kottinger Dr.

Stage II ℹ️

1.45 µg/L

12/18/2019

5 years ago

S-46 Turnout # 5

Stage II ℹ️

0 µg/L

12/18/2019

5 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

13.81 µg/L

9/17/2019

6 years ago

S-31 Kilkare Road

Stage II ℹ️

29 µg/L

9/16/2019

6 years ago

S-48 Ruby Hill

Stage II ℹ️

12.67 µg/L

9/16/2019

6 years ago

S-12 Pimlico Dr.

Stage II ℹ️

12.16 µg/L

9/16/2019

6 years ago

S-46 Turnout # 5

Stage II ℹ️

11.96 µg/L

9/16/2019

6 years ago

S-47 Ruby Hills

Stage II ℹ️

11.77 µg/L

9/16/2019

6 years ago

S-26 Kottinger Dr.

Stage II ℹ️

10.54 µg/L

9/16/2019

6 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

6.03 µg/L

9/16/2019

6 years ago

S-47 Ruby Hills

Stage II ℹ️

22.91 µg/L

6/26/2019

6 years ago

S-31 Kilkare Road

Stage II ℹ️

26.3 µg/L

6/12/2019

6 years ago

S-26 Kottinger Dr.

Stage II ℹ️

21.19 µg/L

6/12/2019

6 years ago

S-46 Turnout # 5

Stage II ℹ️

20.44 µg/L

6/12/2019

6 years ago

S-48 Ruby Hill

Stage II ℹ️

19.5 µg/L

6/12/2019

6 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

19.06 µg/L

6/12/2019

6 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

13.12 µg/L

6/12/2019

6 years ago

S-12 Pimlico Dr.

Stage II ℹ️

5.77 µg/L

6/12/2019

6 years ago

S-48 Ruby Hill

Stage II ℹ️

27.4 µg/L

3/11/2019

6 years ago

S-47 Ruby Hills

Stage II ℹ️

26.45 µg/L

3/11/2019

6 years ago

S-31 Kilkare Road

Stage II ℹ️

14.87 µg/L

3/11/2019

6 years ago

S-26 Kottinger Dr.

Stage II ℹ️

1.83 µg/L

3/11/2019

6 years ago

S-46 Turnout # 5

Stage II ℹ️

0.38 µg/L

3/11/2019

6 years ago

S-16 Valley Trails Dr.- N

Stage II ℹ️

0.36 µg/L

3/11/2019

6 years ago

S-12 Pimlico Dr.

Stage II ℹ️

0.3 µg/L

3/11/2019

6 years ago

S-17 Stoneridge Dr.

Stage II ℹ️

0 µg/L

3/11/2019

6 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

lithium (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<9 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<9 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<9 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

10.5 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 1.5 µg/L

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

16.8 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 7.8 µg/L

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<9 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<9 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

Manganese (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.5 µg/L

Meets Reporting Threshold

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.4 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.4 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.49 µg/L

Meets Reporting Threshold

6/12/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

0.91 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

0.62 µg/L

Meets Reporting Threshold

3/11/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.4 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.4 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<5 µg/L

Below Reporting Level

12/11/2001

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<5 µg/L

Below Reporting Level

12/11/2001

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<5 µg/L

Below Reporting Level

12/11/2001

23 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<5 µg/L

Below Reporting Level

7/5/2001

24 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<5 µg/L

Below Reporting Level

7/5/2001

24 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<5 µg/L

Below Reporting Level

7/5/2001

24 years ago

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

Contaminant Details

molinate (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<0.9 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<0.9 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<0.9 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<0.9 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

6/5/2002

23 years ago

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

Contaminant Details

molybdenum (16)

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

1.3 µg/L

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

8/5/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<1 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

1.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.2 µg/L

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<1 µg/L

Below Reporting Level

5/6/2014

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

5/6/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

1.9 µg/L

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

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

1.7 µg/L

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

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

11/4/2013

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0 µg/L

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.006 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.006 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.006 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.006 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.006 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.006 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.006 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

nitrobenzene (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<10 µg/L

Below Reporting Level

12/11/2001

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<10 µg/L

Below Reporting Level

12/11/2001

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<10 µg/L

Below Reporting Level

12/11/2001

23 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<10 µg/L

Below Reporting Level

7/5/2001

24 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<10 µg/L

Below Reporting Level

7/5/2001

24 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<10 µg/L

Below Reporting Level

7/5/2001

24 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

o-toluidine (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.007 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.007 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.007 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.007 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.007 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.007 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.007 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

oxyfluorfen (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.05 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.05 µg/L

Below Reporting Level

10/21/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.05 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.05 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.05 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.05 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.05 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.05 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.05 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

perchlorate (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<4 µg/L

Below Reporting Level

12/11/2001

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

12/11/2001

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<4 µg/L

Below Reporting Level

12/11/2001

23 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<4 µg/L

Below Reporting Level

7/5/2001

24 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

7/5/2001

24 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<4 µg/L

Below Reporting Level

7/5/2001

24 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (17)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

0.0061 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0031 µg/L

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

0.0058 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0028 µg/L

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

Well 6 Treated Water

Well 6 ℹ️

0.0056 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0026 µg/L

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

0.0039 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0009 µg/L

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.09 µg/L

Below Reporting Level

6/17/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.09 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.09 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.09 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.09 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.09 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.09 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

perfluorobutanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

0.006 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.001 µg/L

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

0.0053 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0003 µg/L

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

11/21/2024

10 months ago

Well 6 Treated Water

Well 6 ℹ️

0.0063 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0013 µg/L

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluorodecanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluorododecanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluoroheptanoic acid (17)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.01 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.01 µg/L

Below Reporting Level

6/17/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.01 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.01 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.01 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.01 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (17)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

0.018 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.015 µg/L

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

0.0068 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0038 µg/L

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.0065 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0035 µg/L

11/21/2024

10 months ago

Well 6 Treated Water

Well 6 ℹ️

0.022 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.019 µg/L

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

0.0087 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0057 µg/L

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

0.032 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.002 µg/L

6/17/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

0.036 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.006 µg/L

11/4/2013

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

perfluorohexanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

0.0041 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0011 µg/L

2/5/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

0.0036 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0006 µg/L

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

Well 6 Treated Water

Well 6 ℹ️

0.003 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0 µg/L

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

0.003 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0 µg/L

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluorononanoic acid (17)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

6/17/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (17)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

0.026 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.022 µg/L

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

0.015 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.011 µg/L

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.008 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.004 µg/L

11/21/2024

10 months ago

Well 6 Treated Water

Well 6 ℹ️

0.022 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.018 µg/L

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

0.013 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.009 µg/L

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.04 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.04 µg/L

Below Reporting Level

6/17/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.04 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.04 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.04 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.04 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

perfluorooctanoic acid (17)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

0.0051 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0011 µg/L

2/5/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

0.0042 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0002 µg/L

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

11/21/2024

10 months ago

Well 5 Treated Water

Well 5 ℹ️

0.0048 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0008 µg/L

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

0.004 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0 µg/L

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

6/17/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

11/4/2013

11 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.004 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

11/21/2024

10 months ago

Well 6 Treated Water

Well 6 ℹ️

0.0043 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0003 µg/L

8/20/2024

13 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluoropentanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

0.0041 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0011 µg/L

2/5/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

0.0032 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0002 µg/L

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluorotetradecanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.008 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.008 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.008 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.008 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.008 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.008 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.008 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluorotridecanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.007 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.007 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.007 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.007 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.007 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

perfluoroundecanoic acid (7)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.002 µg/L

Below Reporting Level

2/6/2025

8 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.002 µg/L

Below Reporting Level

2/5/2025

8 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

2/5/2025

8 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.002 µg/L

Below Reporting Level

11/21/2024

10 months ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.002 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 6 Treated Water

Well 6 ℹ️

<0.002 µg/L

Below Reporting Level

8/20/2024

13 months ago

Well 5 Treated Water

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

8/20/2024

13 months ago

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

Contaminant Details

profenofos (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

10/21/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.3 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.3 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

quinoline (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

6/5/2002

23 years ago

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

Contaminant Details

strontium (16)

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

1200 µg/L

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

8/5/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

250 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 249.7 µg/L

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

1400 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1399.7 µg/L

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

1300 µg/L

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

5/13/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

1000 µg/L

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

5/13/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

460 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 459.7 µg/L

5/6/2014

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

250 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 249.7 µg/L

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 229.7 µg/L

5/6/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

730 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 729.7 µg/L

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

390 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L

2/4/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

1500 µg/L

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

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

1300 µg/L

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

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

1000 µg/L

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

11/4/2013

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

920 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 919.7 µg/L

11/4/2013

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

710 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 709.7 µg/L

11/4/2013

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

380 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 379.7 µg/L

11/4/2013

11 years ago

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

Contaminant Details

tebuconazole (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

10/21/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

terbacil (6)

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 05 03S/01E-16L05

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 06 03S/01E-16L07

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

6/5/2002

23 years ago

WELL 08 0110008-004

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

6/5/2002

23 years ago

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

Contaminant Details

total microcystins (8)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

9/17/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

9/11/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

8/28/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

7/23/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

7/8/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/19/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2019

6 years ago

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

Contaminant Details

Total Permethrin (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.04 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.04 µg/L

Below Reporting Level

10/21/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.04 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.04 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.04 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.04 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

tribufos (9)

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.07 µg/L

Below Reporting Level

12/18/2019

5 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.07 µg/L

Below Reporting Level

10/21/2019

5 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.07 µg/L

Below Reporting Level

9/16/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

9/16/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.07 µg/L

Below Reporting Level

6/12/2019

6 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.07 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 8 Treated Water

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 6 Treated Water

Well 6 ℹ️

<0.07 µg/L

Below Reporting Level

3/11/2019

6 years ago

Well 5 Treated Water

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

3/11/2019

6 years ago

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

Contaminant Details

vanadium (16)

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.7 µg/L

8/5/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

8/5/2014

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.6 µg/L

5/13/2014

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L

5/13/2014

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L

5/13/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

1.3 µg/L

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

5/6/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

0.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L

5/6/2014

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.01 µg/L

5/6/2014

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

3 µg/L

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

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/4/2014

11 years ago

T4 @ S-17 Stoneridge Dr.

Zone 7 Intertie ℹ️

3.6 µg/L

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

11/4/2013

11 years ago

EP #6: Well 5 Treated

Well 5 ℹ️

1.6 µg/L

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

11/4/2013

11 years ago

EP #7: Well 6 Treated

Well 6 ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L

11/4/2013

11 years ago

S37 Carriage Drive DSMRT for GW

Distribution System - GW ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L

11/4/2013

11 years ago

EP #9: Well 8 Treated

Well 8 ℹ️

1.3 µg/L

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

11/4/2013

11 years ago

S31 Kilkare Road DSMRT for Zone 7

Distribution System - SW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

11/4/2013

11 years ago

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

Contaminant Details

Sampling Facilities

Zone 7 Intertie
Surface Water (SW)

T4 @ S-17 Stoneridge Dr.Entry Point to the Distribution System (EP)

Well 6
Ground Water (GW)

Well 6 Treated WaterEntry Point to the Distribution System (EP)

EP #7: Well 6 TreatedEntry Point to the Distribution System (EP)

Well 5
Ground Water (GW)

Well 5 Treated WaterEntry Point to the Distribution System (EP)

EP #6: Well 5 TreatedEntry Point to the Distribution System (EP)

Stage II
Multiple Sources (MX)

S-12 Pimlico Dr.Distribution System (DS)

S-31 Kilkare RoadDistribution System (DS)

S-17 Stoneridge Dr.Distribution System (DS)

S-47 Ruby HillsDistribution System (DS)

S-46 Turnout # 5Distribution System (DS)

S-48 Ruby HillDistribution System (DS)

S-26 Kottinger Dr.Distribution System (DS)

S-16 Valley Trails Dr.- NDistribution System (DS)

Well 8
Ground Water (GW)

Well 8 Treated WaterEntry Point to the Distribution System (EP)

EP #9: Well 8 TreatedEntry Point to the Distribution System (EP)

Distribution System - SW
Surface Water (SW)

S31 Kilkare Road DSMRT for Zone 7Maximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

S37 Carriage Drive DSMRT for GWMaximum Residence Time (MR)

WELL 05
Ground Water (GW)

WELL 05 03S/01E-16L05SR (SR)

WELL 06
Ground Water (GW)

WELL 06 03S/01E-16L07SR (SR)

WELL 08
Ground Water (GW)

WELL 08 0110008-004SR (SR)

()

LD (LD)

MD (MD)

Maximum Residence Time (MR)

FAQ

Is City of Pleasanton tap water safe to drink?

When was City of Pleasanton last tested for water contamination?

The latest water samples were taken on February 6th, 2025.