Golden State Water Company - Norwalk (CA) Water Quality

Golden State Water Company - Norwalk is a large public water system in EPA region 9 that provides tap water for the 90241, 90605, 90650 zip codes. It has 21 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 7.35 µg/L. The maximum reported level of Manganese was 4.4 µg/L. There were 2 contamintants found in the Golden State Water Company - Norwalk water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

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

1,1-dichloroethane (12)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

0.2 µg/L

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

6/4/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

0.048 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.018 µg/L

4/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

0.23 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.2 µg/L

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

0.18 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.15 µg/L

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

0.075 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.045 µg/L

10/18/2013

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

1,2,3-trichloropropane (12)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

1,3-butadiene (12)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.1 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.1 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.1 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.1 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.1 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.1 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.1 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.1 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.1 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.1 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.1 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

1,4-dioxane (12)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

3.5 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 3.43 µg/L

6/4/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

5.9 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 5.83 µg/L

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 3.83 µg/L

4/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 1.53 µg/L

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

0.86 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.79 µg/L

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

1/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

5.3 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 5.23 µg/L

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

3.3 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 3.23 µg/L

10/18/2013

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 1.23 µg/L

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

1-butanol (9)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<2 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<2 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<2 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<2 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<2 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<2 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<2 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<2 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<2 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

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

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.005 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

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

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.005 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

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

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (12)

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/25/2023

25 months ago

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

Contaminant Details

2,4-dinitrotoluene (16)

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

2/26/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<2 µg/L

Below Reporting Level

2/26/2003

22 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<2 µg/L

Below Reporting Level

2/6/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<2 µg/L

Below Reporting Level

1/30/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<2 µg/L

Below Reporting Level

1/30/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

2,6-dinitrotoluene (16)

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

2/26/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<2 µg/L

Below Reporting Level

2/26/2003

22 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<2 µg/L

Below Reporting Level

2/6/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<2 µg/L

Below Reporting Level

1/30/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<2 µg/L

Below Reporting Level

1/30/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

2-methoxyethanol (9)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.4 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.4 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.4 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.4 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.4 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.4 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.4 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.4 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.4 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

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

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.5 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.5 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.5 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.5 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.5 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.5 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.5 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.5 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.5 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (16)

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<0.8 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

2/26/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<0.8 µg/L

Below Reporting Level

2/26/2003

22 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

2/6/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

1/30/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<0.8 µg/L

Below Reporting Level

1/30/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

1/16/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

1/16/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

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

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (12)

Dace Plant EP

Dace Plant ℹ️

<0.002 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.002 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.002 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.002 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.002 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.002 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.002 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.002 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.002 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.002 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.002 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.002 µg/L

Below Reporting Level

7/25/2023

25 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (10)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.01 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.01 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.01 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.01 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.01 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.01 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

anatoxin-a (8)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/24/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/20/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/6/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/24/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/8/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/11/2020

5 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (12)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.06 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.06 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.06 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.06 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.06 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.06 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.06 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.06 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.06 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.06 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.06 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.06 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

bromomethane (12)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

Butylated Hydroxyanisole (9)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

chlorate (22)

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

76 µg/L

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

7/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

75 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 55 µg/L

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

210 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 190 µg/L

6/4/2014

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

210 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 190 µg/L

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

170 µg/L

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

4/17/2014

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

170 µg/L

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

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

160 µg/L

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

4/17/2014

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

84 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 64 µg/L

4/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

61 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 41 µg/L

4/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

45 µg/L

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

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

39 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 19 µg/L

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

94 µg/L

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

1/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

42 µg/L

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

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

41 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 21 µg/L

1/17/2014

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

250 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 230 µg/L

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

240 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 220 µg/L

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

200 µg/L

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

10/18/2013

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

190 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 170 µg/L

10/18/2013

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

140 µg/L

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

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

49 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 29 µg/L

10/18/2013

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

49 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 29 µg/L

10/18/2013

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

44 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 24 µg/L

10/18/2013

11 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (12)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.08 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.08 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.08 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.08 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.08 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.08 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.08 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.08 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.08 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.08 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.08 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

chloromethane (12)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

chlorpyrifos (10)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

chromium (22)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

7.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.6 µg/L

6/4/2014

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

5.7 µg/L

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

4/17/2014

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

2.2 µg/L

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

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.8 µg/L

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

1.6 µg/L

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

4/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

0.88 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.68 µg/L

4/17/2014

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

0.81 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.61 µg/L

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

0.99 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.79 µg/L

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

1/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

1/17/2014

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

1.6 µg/L

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

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

1.5 µg/L

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

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

1.1 µg/L

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

10/18/2013

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

1.1 µg/L

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

10/18/2013

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

0.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.5 µg/L

10/18/2013

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

0.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.5 µg/L

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

chromium-6 (22)

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

0.059 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.029 µg/L

7/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

0.058 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.028 µg/L

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

9 µg/L

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

6/4/2014

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

5.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.87 µg/L

4/17/2014

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.17 µg/L

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.87 µg/L

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L

4/17/2014

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

0.79 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.76 µg/L

4/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

0.76 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.73 µg/L

4/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

0.067 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.037 µg/L

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

0.038 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.008 µg/L

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

1 µg/L

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

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.77 µg/L

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.67 µg/L

10/18/2013

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L

10/18/2013

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

0.76 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.73 µg/L

10/18/2013

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

0.71 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.68 µg/L

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

0.51 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.48 µg/L

10/18/2013

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

0.067 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.037 µg/L

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

0.059 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.029 µg/L

10/18/2013

11 years ago

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

Contaminant Details

cobalt (22)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<1 µg/L

Below Reporting Level

7/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<1 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<1 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<1 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<1 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<1 µg/L

Below Reporting Level

4/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

4/17/2014

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

4/17/2014

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

4/17/2014

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<1 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<1 µg/L

Below Reporting Level

1/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

cylindrospermopsin (8)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

8/24/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/20/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/6/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

6/24/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

6/8/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/27/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/11/2020

5 years ago

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

Contaminant Details

dimethipin (10)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.2 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.2 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.2 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (24)

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

10/13/2004

20 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<1 µg/L

Below Reporting Level

10/13/2004

20 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<1 µg/L

Below Reporting Level

10/12/2004

20 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<1 µg/L

Below Reporting Level

10/12/2004

20 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<1 µg/L

Below Reporting Level

10/12/2004

20 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<1 µg/L

Below Reporting Level

10/12/2004

20 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

10/12/2004

20 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

10/12/2004

20 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<1 µg/L

Below Reporting Level

5/20/2004

21 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

5/20/2004

21 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<1 µg/L

Below Reporting Level

5/20/2004

21 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<1 µg/L

Below Reporting Level

5/12/2004

21 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<1 µg/L

Below Reporting Level

5/12/2004

21 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<1 µg/L

Below Reporting Level

5/12/2004

21 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

5/12/2004

21 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

5/12/2004

21 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<1 µg/L

Below Reporting Level

7/23/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<1 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

7/22/2003

22 years ago

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

Contaminant Details

ethoprop (10)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

Germanium (9)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.3 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.3 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.3 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.3 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.3 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

12431 Sproul St.

Stage 2 DBPs ℹ️

7.35 µg/L

Meets Reporting Threshold

11/3/2020

4 years ago

13156 Beaty

Stage 2 DBPs ℹ️

4.22 µg/L

Meets Reporting Threshold

11/3/2020

4 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

4.22 µg/L

Meets Reporting Threshold

11/3/2020

4 years ago

12404 Duffield

Stage 2 DBPs ℹ️

4.2 µg/L

Meets Reporting Threshold

11/3/2020

4 years ago

12404 Duffield

Stage 2 DBPs ℹ️

6.58 µg/L

Meets Reporting Threshold

8/4/2020

5 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

6.13 µg/L

Meets Reporting Threshold

8/4/2020

5 years ago

13156 Beaty

Stage 2 DBPs ℹ️

5.68 µg/L

Meets Reporting Threshold

8/4/2020

5 years ago

12431 Sproul St.

Stage 2 DBPs ℹ️

0.59 µg/L

Meets Reporting Threshold

8/4/2020

5 years ago

12404 Duffield

Stage 2 DBPs ℹ️

6 µg/L

Meets Reporting Threshold

5/5/2020

5 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

4.45 µg/L

Meets Reporting Threshold

5/5/2020

5 years ago

13156 Beaty

Stage 2 DBPs ℹ️

4.43 µg/L

Meets Reporting Threshold

5/5/2020

5 years ago

12431 Sproul St.

Stage 2 DBPs ℹ️

3.1 µg/L

Meets Reporting Threshold

5/5/2020

5 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

7.2 µg/L

Meets Reporting Threshold

2/4/2020

5 years ago

13156 Beaty

Stage 2 DBPs ℹ️

7.1 µg/L

Meets Reporting Threshold

2/4/2020

5 years ago

12404 Duffield

Stage 2 DBPs ℹ️

7 µg/L

Meets Reporting Threshold

2/4/2020

5 years ago

12431 Sproul St.

Stage 2 DBPs ℹ️

3.75 µg/L

Meets Reporting Threshold

2/4/2020

5 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

12431 Sproul St.

Stage 2 DBPs ℹ️

16.95 µg/L

11/3/2020

4 years ago

13156 Beaty

Stage 2 DBPs ℹ️

4.82 µg/L

11/3/2020

4 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

4.82 µg/L

11/3/2020

4 years ago

12404 Duffield

Stage 2 DBPs ℹ️

4.7 µg/L

11/3/2020

4 years ago

13156 Beaty

Stage 2 DBPs ℹ️

5.98 µg/L

8/4/2020

5 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

5.23 µg/L

8/4/2020

5 years ago

12404 Duffield

Stage 2 DBPs ℹ️

4.93 µg/L

8/4/2020

5 years ago

12431 Sproul St.

Stage 2 DBPs ℹ️

0.6 µg/L

8/4/2020

5 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

8.05 µg/L

5/5/2020

5 years ago

12431 Sproul St.

Stage 2 DBPs ℹ️

7.6 µg/L

5/5/2020

5 years ago

13156 Beaty

Stage 2 DBPs ℹ️

6.03 µg/L

5/5/2020

5 years ago

12404 Duffield

Stage 2 DBPs ℹ️

5.6 µg/L

5/5/2020

5 years ago

12404 Duffield

Stage 2 DBPs ℹ️

9.1 µg/L

2/4/2020

5 years ago

12431 Sproul St.

Stage 2 DBPs ℹ️

8.5 µg/L

2/4/2020

5 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

7.3 µg/L

2/4/2020

5 years ago

13156 Beaty

Stage 2 DBPs ℹ️

7.1 µg/L

2/4/2020

5 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (16)

12431 Sproul St.

Stage 2 DBPs ℹ️

19.85 µg/L

11/3/2020

4 years ago

13156 Beaty

Stage 2 DBPs ℹ️

8.22 µg/L

11/3/2020

4 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

8.22 µg/L

11/3/2020

4 years ago

12404 Duffield

Stage 2 DBPs ℹ️

8.1 µg/L

11/3/2020

4 years ago

13156 Beaty

Stage 2 DBPs ℹ️

10.88 µg/L

8/4/2020

5 years ago

12404 Duffield

Stage 2 DBPs ℹ️

10.63 µg/L

8/4/2020

5 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

10.53 µg/L

8/4/2020

5 years ago

12431 Sproul St.

Stage 2 DBPs ℹ️

1.19 µg/L

8/4/2020

5 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

11.65 µg/L

5/5/2020

5 years ago

12404 Duffield

Stage 2 DBPs ℹ️

10.7 µg/L

5/5/2020

5 years ago

13156 Beaty

Stage 2 DBPs ℹ️

9.63 µg/L

5/5/2020

5 years ago

12431 Sproul St.

Stage 2 DBPs ℹ️

9.3 µg/L

5/5/2020

5 years ago

12404 Duffield

Stage 2 DBPs ℹ️

14.5 µg/L

2/4/2020

5 years ago

Ratliffe btwn 13002 Woodridge & 13003 Edwards

Stage 2 DBPs ℹ️

12.8 µg/L

2/4/2020

5 years ago

13156 Beaty

Stage 2 DBPs ℹ️

12.6 µg/L

2/4/2020

5 years ago

12431 Sproul St.

Stage 2 DBPs ℹ️

10.45 µg/L

2/4/2020

5 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (14)

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.005 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

lithium (14)

Dace Plant EP

Dace Plant ℹ️

<9 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<9 µg/L

Below Reporting Level

7/31/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

58 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 49 µg/L

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<9 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<9 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<9 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

51 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 42 µg/L

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<9 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

33 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 24 µg/L

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<9 µg/L

Below Reporting Level

9/7/2023

24 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

32 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 23 µg/L

7/25/2023

25 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<9 µg/L

Below Reporting Level

7/24/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<9 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<9 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

Manganese (9)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

1.2 µg/L

Meets Reporting Threshold

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.4 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.4 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.4 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

0.72 µg/L

Meets Reporting Threshold

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

4.4 µg/L

Meets Reporting Threshold

2/5/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

2.7 µg/L

Meets Reporting Threshold

2/4/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

0.77 µg/L

Meets Reporting Threshold

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.4 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (16)

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<5 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<5 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<5 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<5 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<5 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<5 µg/L

Below Reporting Level

2/26/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<5 µg/L

Below Reporting Level

2/26/2003

22 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<5 µg/L

Below Reporting Level

2/6/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<5 µg/L

Below Reporting Level

1/30/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<5 µg/L

Below Reporting Level

1/30/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<5 µg/L

Below Reporting Level

1/16/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<5 µg/L

Below Reporting Level

1/16/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<5 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

molinate (16)

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<0.9 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

2/26/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<0.9 µg/L

Below Reporting Level

2/26/2003

22 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

2/6/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

1/30/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<0.9 µg/L

Below Reporting Level

1/30/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

1/16/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

1/16/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

molybdenum (22)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

4.8 µg/L

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

7/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

4.8 µg/L

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

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

6/4/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

4.8 µg/L

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

4/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

4.4 µg/L

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

4/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

1.8 µg/L

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

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

4/17/2014

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

4/17/2014

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

1.5 µg/L

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

4/17/2014

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

1.5 µg/L

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

4/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

5 µg/L

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

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

4.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.7 µg/L

1/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

2.6 µg/L

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

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

4.2 µg/L

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

10/18/2013

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3 µg/L

10/18/2013

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

10/18/2013

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

10/18/2013

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L

10/18/2013

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L

10/18/2013

11 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/31/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

9/7/2023

24 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

7/24/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.005 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.006 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.006 µg/L

Below Reporting Level

7/31/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.006 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.006 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.006 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.006 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.006 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.006 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.006 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.006 µg/L

Below Reporting Level

9/7/2023

24 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.006 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.006 µg/L

Below Reporting Level

7/24/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.006 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.006 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

nitrobenzene (16)

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<10 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<10 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<10 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<10 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<10 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<10 µg/L

Below Reporting Level

2/26/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<10 µg/L

Below Reporting Level

2/26/2003

22 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<10 µg/L

Below Reporting Level

2/6/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<10 µg/L

Below Reporting Level

1/30/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<10 µg/L

Below Reporting Level

1/30/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<10 µg/L

Below Reporting Level

1/16/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<10 µg/L

Below Reporting Level

1/16/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<10 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.02 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.02 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.02 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.02 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.02 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.02 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

o-toluidine (9)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.007 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.007 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.007 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.007 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.007 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.007 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.007 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.007 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.007 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

oxyfluorfen (10)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.05 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.05 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.05 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.05 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.05 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.05 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.05 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.05 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.05 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.05 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

perchlorate (16)

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<4 µg/L

Below Reporting Level

7/23/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<4 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<4 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<4 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<4 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<4 µg/L

Below Reporting Level

2/26/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<4 µg/L

Below Reporting Level

2/26/2003

22 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<4 µg/L

Below Reporting Level

2/6/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<4 µg/L

Below Reporting Level

1/30/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<4 µg/L

Below Reporting Level

1/30/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<4 µg/L

Below Reporting Level

1/16/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<4 µg/L

Below Reporting Level

1/16/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<4 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (26)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.09 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.09 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.09 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.09 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.09 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.09 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.09 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.09 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

perfluorobutanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

0.0073 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0023 µg/L

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/30/2024

19 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

0.0064 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0014 µg/L

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

0.0071 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0021 µg/L

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.005 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

0.0065 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0015 µg/L

7/19/2023

25 months ago

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

Contaminant Details

perfluorodecanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluorododecanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluoroheptanoic acid (26)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.01 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.01 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.01 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.01 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.01 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (26)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

perfluorohexanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

0.013 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.01 µg/L

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

0.013 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.01 µg/L

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluorononanoic acid (26)

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

7/19/2023

25 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (26)

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

7/19/2023

25 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.04 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.04 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.04 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.04 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

0.043 µg/L

⚠️ Exceeds Reporting Level of 0.04 µg/L by 0.003 µg/L

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

perfluorooctanoic acid (26)

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

7/19/2023

25 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

6/4/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

1/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

11 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.004 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.004 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.004 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.004 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluoropentanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

0.015 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.012 µg/L

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

0.015 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.012 µg/L

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.003 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.003 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluorotetradecanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.008 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.008 µg/L

Below Reporting Level

7/31/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.008 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.008 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.008 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.008 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.008 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.008 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.008 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.008 µg/L

Below Reporting Level

9/7/2023

24 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.008 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.008 µg/L

Below Reporting Level

7/24/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.008 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.008 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluorotridecanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.007 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.007 µg/L

Below Reporting Level

7/31/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.007 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.007 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.007 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.007 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.007 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.007 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.007 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.007 µg/L

Below Reporting Level

9/7/2023

24 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.007 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.007 µg/L

Below Reporting Level

7/24/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.007 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.007 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

perfluoroundecanoic acid (14)

Dace Plant EP

Dace Plant ℹ️

<0.002 µg/L

Below Reporting Level

1/7/2025

7 months ago

Dace Plant EP

Dace Plant ℹ️

<0.002 µg/L

Below Reporting Level

7/31/2024

13 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.002 µg/L

Below Reporting Level

7/30/2024

13 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.002 µg/L

Below Reporting Level

4/4/2024

17 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.002 µg/L

Below Reporting Level

3/13/2024

17 months ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.002 µg/L

Below Reporting Level

1/30/2024

19 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.002 µg/L

Below Reporting Level

1/30/2024

19 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.002 µg/L

Below Reporting Level

1/8/2024

20 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.002 µg/L

Below Reporting Level

1/8/2024

20 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.002 µg/L

Below Reporting Level

12/5/2023

21 months ago

Studebaker Plant EP

Studebaker Well 3 ℹ️

<0.002 µg/L

Below Reporting Level

10/31/2023

22 months ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.002 µg/L

Below Reporting Level

7/25/2023

25 months ago

Pioneer Well 1 EP

Pioneer Well 1 ℹ️

<0.002 µg/L

Below Reporting Level

7/24/2023

25 months ago

Imperial Plant EP

Imperial Reservoir ℹ️

<0.002 µg/L

Below Reporting Level

7/19/2023

25 months ago

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

Contaminant Details

profenofos (10)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.3 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.3 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.3 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.3 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.3 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

quinoline (9)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.02 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.02 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.02 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.02 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (16)

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<1 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<1 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

2/26/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<1 µg/L

Below Reporting Level

2/26/2003

22 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<1 µg/L

Below Reporting Level

2/6/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<1 µg/L

Below Reporting Level

1/30/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<1 µg/L

Below Reporting Level

1/30/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<1 µg/L

Below Reporting Level

1/16/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

1/16/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<1 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

strontium (22)

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

1200 µg/L

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

7/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

1100 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1099.7 µg/L

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

820 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 819.7 µg/L

6/4/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

980 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 979.7 µg/L

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

960 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 959.7 µg/L

4/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

910 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 909.7 µg/L

4/17/2014

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

850 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 849.7 µg/L

4/17/2014

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

760 µg/L

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

4/17/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

720 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 719.7 µg/L

4/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

500 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 499.7 µg/L

4/17/2014

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

460 µg/L

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

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

1000 µg/L

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

1/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

1000 µg/L

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

1/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

500 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 499.7 µg/L

1/17/2014

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

920 µg/L

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

10/18/2013

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

890 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 889.7 µg/L

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

880 µg/L

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

10/18/2013

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

850 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 849.7 µg/L

10/18/2013

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

680 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 679.7 µg/L

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

670 µg/L

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

10/18/2013

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

460 µg/L

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

10/18/2013

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

450 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 449.7 µg/L

10/18/2013

11 years ago

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

Contaminant Details

tebuconazole (10)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.2 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.2 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.2 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

terbacil (16)

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/22/2003

22 years ago

PIONEER WELL 02 03S/11W-07E02

PIONEER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

2/26/2003

22 years ago

PIONEER WELL 03 - S 03S/12W-12A02

PIONEER WELL 03 - STANDBY ℹ️

<2 µg/L

Below Reporting Level

2/26/2003

22 years ago

IMPERIAL WELL 01 03S/12W-13A03

IMPERIAL WELL 01 ℹ️

<2 µg/L

Below Reporting Level

2/6/2003

22 years ago

IMPERIAL WELL 02 03S/12W-13A02

IMPERIAL WELL 02 ℹ️

<2 µg/L

Below Reporting Level

1/30/2003

22 years ago

IMPERIAL WELL 03 - 03S/12W-13A04

IMPERIAL WELL 03 - TREATED - STANDBY ℹ️

<2 µg/L

Below Reporting Level

1/30/2003

22 years ago

DACE WELL 01 03S/11W-18G05

DACE WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

PIONEER WELL 01 03S/11W-07E01

PIONEER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

STUDEBAKER WELL 02 03S/12W-02R01

STUDEBAKER WELL 02 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

total microcystins (8)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

8/24/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

7/20/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

7/6/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/24/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/8/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/27/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/11/2020

5 years ago

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

Contaminant Details

Total Permethrin (10)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.04 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.04 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.04 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.04 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.04 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.04 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

tribufos (10)

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

11/9/2020

4 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.07 µg/L

Below Reporting Level

8/10/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.07 µg/L

Below Reporting Level

8/10/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.07 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

8/10/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

5/11/2020

5 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

<0.07 µg/L

Below Reporting Level

2/5/2020

5 years ago

Dace Plant EP

Dace Plant ℹ️

<0.07 µg/L

Below Reporting Level

2/4/2020

5 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

<0.07 µg/L

Below Reporting Level

2/4/2020

5 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

2/4/2020

5 years ago

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

Contaminant Details

vanadium (22)

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

3.1 µg/L

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

7/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

3 µg/L

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

7/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

3 µg/L

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

6/4/2014

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

3.1 µg/L

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

4/17/2014

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

3 µg/L

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

4/17/2014

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

3 µg/L

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

4/17/2014

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

2.8 µg/L

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

4/17/2014

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

2.6 µg/L

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

4/17/2014

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

2.6 µg/L

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

4/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.3 µg/L

4/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

2.3 µg/L

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

4/17/2014

11 years ago

Pioneer Well 3 EP

Pioneer Well 3 ℹ️

3.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.1 µg/L

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

2.3 µg/L

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

1/17/2014

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

2.3 µg/L

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

1/17/2014

11 years ago

EPTDS from MWD (CB-35 EP)

MWD Intertie ℹ️

2.8 µg/L

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

10/18/2013

11 years ago

Imperial Plant EP

Imperial Reservoir ℹ️

2.6 µg/L

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

10/18/2013

11 years ago

DSMRT for MWD (13557 Virginia)

Distribution System - SW ℹ️

2.6 µg/L

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

10/18/2013

11 years ago

DSMRT for Pioneer Wells (Brink/Bombardier)

Distribution System - GW ℹ️

2.6 µg/L

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

10/18/2013

11 years ago

Studebaker Well 2 EP

Studebaker Well 2 ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.3 µg/L

10/18/2013

11 years ago

Pioneer Wells 1 & 2 EP

Pioneer Wells 1 & 2 ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.3 µg/L

10/18/2013

11 years ago

DSMRT for Imperial Reservoir (13229 Silverbow)

Distribution System - GW ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.3 µg/L

10/18/2013

11 years ago

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)

Distribution System - GW ℹ️

2.4 µg/L

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

10/18/2013

11 years ago

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

Contaminant Details

Sampling Facilities

Pioneer Well 3
Ground Water (GW)

Pioneer Well 3 EPEntry Point to the Distribution System (EP)

Dace Plant
Ground Water (GW)

Dace Plant EPEntry Point to the Distribution System (EP)

MWD Intertie
Surface Water (SW)

EPTDS from MWD (CB-35 EP)Entry Point to the Distribution System (EP)

Imperial Reservoir
Ground Water (GW)

Imperial Plant EPEntry Point to the Distribution System (EP)

Studebaker Well 3
Ground Water (GW)

Studebaker Plant EPEntry Point to the Distribution System (EP)

Pioneer Well 1
Ground Water (GW)

Pioneer Well 1 EPEntry Point to the Distribution System (EP)

Pioneer Wells 1 & 2
Ground Water (GW)

Pioneer Wells 1 & 2 EPEntry Point to the Distribution System (EP)

Stage 2 DBPs
Multiple Sources (MX)

12404 DuffieldDistribution System (DS)

13156 BeatyDistribution System (DS)

Ratliffe btwn 13002 Woodridge & 13003 EdwardsDistribution System (DS)

12431 Sproul St.Distribution System (DS)

Studebaker Well 2
Ground Water (GW)

Studebaker Well 2 EPEntry Point to the Distribution System (EP)

Distribution System - SW
Surface Water (SW)

DSMRT for MWD (13557 Virginia)Maximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Studebaker Well 2 (11436 Benfield Ave.)Maximum Residence Time (MR)

DSMRT for Pioneer Wells (Brink/Bombardier)Maximum Residence Time (MR)

DSMRT for Imperial Reservoir (13229 Silverbow)Maximum Residence Time (MR)

DACE LAG GAC EFFLUENT - TREATED
Ground Water (GW)

Dace Plant EPEntry Point to the Distribution System (EP)

MWD CONNECTION CB-35
Surface Water (SW)

CB-35 EPEntry Point to the Distribution System (EP)

DACE WELL 01
Ground Water (GW)

DACE WELL 01 03S/11W-18G05SR (SR)

IMPERIAL WELL 01
Ground Water (GW)

IMPERIAL WELL 01 03S/12W-13A03SR (SR)

IMPERIAL WELL 02
Ground Water (GW)

IMPERIAL WELL 02 03S/12W-13A02SR (SR)

IMPERIAL WELL 03 - TREATED - STANDBY
Ground Water (GW)

IMPERIAL WELL 03 - 03S/12W-13A04SR (SR)

PIONEER WELL 01
Ground Water (GW)

PIONEER WELL 01 03S/11W-07E01SR (SR)

PIONEER WELL 02
Ground Water (GW)

PIONEER WELL 02 03S/11W-07E02SR (SR)

PIONEER WELL 03 - STANDBY
Ground Water (GW)

PIONEER WELL 03 - S 03S/12W-12A02SR (SR)

STUDEBAKER WELL 02
Ground Water (GW)

STUDEBAKER WELL 02 03S/12W-02R01SR (SR)

FAQ

Is Golden State Water Company - Norwalk tap water safe to drink?

When was Golden State Water Company - Norwalk last tested for water contamination?

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