San Gabriel County Water District (CA) Water Quality

San Gabriel County Water District is a large public water system in EPA region 9 that provides tap water for the 91770, 91776 zip codes. It has 16 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 1.16 µg/L. The maximum reported level of Manganese was 4.4 µg/L. There were 2 contamintants found in the San Gabriel County Water District water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (10)
1,2,3-trichloropropane (10)
1,3-butadiene (10)
1,4-dioxane (10)
1-butanol (10)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (9)
1H,1H,2H,2H-perfluorodecane sulfonic acid (4)
1H,1H,2H,2H-perfluorohexane sulfonic acid (9)
1H,1H,2H,2H-perfluorooctane sulfonic acid (4)
2,4-dinitrotoluene (10)
2,6-dinitrotoluene (10)
2-methoxyethanol (10)
2-propen-1-ol (Allyl Alcohol) (10)
4,4'-dichloro dichlorophenyl ethylene (DDE) (10)
4,8-dioxa-3H-perfluorononanoic acid (9)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)
alpha-hexachlorocyclohexane (10)
bromochloromethane (Halon 1011) (10)
bromomethane (10)
Butylated Hydroxyanisole (10)
chlorate (14)
chlorodifluoromethane (HCFC-22) (10)
chloromethane (10)
chlorpyrifos (10)
chromium (14)
chromium-6 (14)
cobalt (14)
dimethipin (10)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (10)
ethoprop (10)
Germanium (10)
HAA5 (five regulated haloacetic acids) (8)
HAA6Br (six brominated haloacetic acids) (8)
HAA9 (nine haloacetic acids) (8)
hexafluoropropylene oxide dimer acid (GenX) (9)
lithium (9)
Manganese (10)
methyl-tertiary-butyl-ether (MTBE) (10)
molinate (10)
molybdenum (14)
N-ethyl perfluorooctanesulfonamidoacetic acid (9)
N-methyl perfluorooctanesulfonamidoacetic acid (9)
nitrobenzene (10)
nonafluoro-3,6-dioxaheptanoic acid (9)
o-toluidine (10)
oxyfluorfen (10)
perchlorate (10)
perfluoro(2-ethoxyethane)sulfonic acid (9)
perfluoro-3-methoxypropanoic acid (9)
perfluoro-4-methoxybutanoic acid (9)
perfluorobutanesulfonic acid (19)
perfluorobutanoic acid (9)
perfluorodecanoic acid (9)
perfluorododecanoic acid (4)
perfluoroheptanesulfonic acid (9)
perfluoroheptanoic acid (19)
perfluorohexanesulfonic acid (14)
perfluorohexanoic acid (9)
perfluorononanoic acid (19)
perfluorooctanesulfonic acid (19)
perfluorooctanoic acid (19)
perfluoropentanesulfonic acid (9)
perfluoropentanoic acid (4)
perfluorotetradecanoic acid (9)
perfluorotridecanoic acid (9)
perfluoroundecanoic acid (9)
profenofos (10)
quinoline (10)
s-ethyl-dipropylthiocarbamate (EPTC) (10)
strontium (14)
tebuconazole (10)
terbacil (10)
Total Permethrin (10)
tribufos (10)
vanadium (14)

1,1-dichloroethane (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

10/8/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

1,2,3-trichloropropane (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

10/8/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

1,3-butadiene (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.1 µg/L

Below Reporting Level

10/8/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.1 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.1 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.1 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.1 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.1 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.1 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.1 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.1 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.1 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

1,4-dioxane (10)

Well 16 Chlorination Station

Well 16 ℹ️

0.074 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.004 µg/L

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.07 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.07 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

0.11 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.04 µg/L

3/24/2014

12 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.07 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.07 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

1-butanol (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<2 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<2 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<2 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<2 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<2 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<2 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<2 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<2 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<2 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<2 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

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

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

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

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

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

Contaminant Details

2,4-dinitrotoluene (10)

WELL 12 UCMR

WELL 12 UCMR ℹ️

<2 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<2 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

2,6-dinitrotoluene (10)

WELL 12 UCMR

WELL 12 UCMR ℹ️

<2 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<2 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

2-methoxyethanol (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.4 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.4 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.4 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.4 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.4 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.4 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.4 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.4 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.5 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.5 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.5 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.5 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.5 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.5 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.5 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.5 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.5 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.5 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (10)

WELL 12 UCMR

WELL 12 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<0.8 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

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

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

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

Contaminant Details

alpha-hexachlorocyclohexane (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.01 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.01 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.01 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.06 µg/L

Below Reporting Level

10/8/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.06 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.06 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.06 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.06 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.06 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.06 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.06 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.06 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.06 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

bromomethane (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.2 µg/L

Below Reporting Level

10/8/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

Butylated Hydroxyanisole (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

chlorate (14)

Well 16 Chlorination Station

Well 16 ℹ️

400 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 380 µg/L

9/25/2014

11 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

280 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 260 µg/L

9/25/2014

11 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

220 µg/L

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

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

160 µg/L

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

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

140 µg/L

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

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

130 µg/L

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

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<20 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

390 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 370 µg/L

3/24/2014

12 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

240 µg/L

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

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

140 µg/L

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

3/24/2014

12 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

110 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 90 µg/L

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

74 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 54 µg/L

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

50 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 30 µg/L

3/24/2014

12 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<20 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

0.16 µg/L

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

10/8/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

0.23 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 0.15 µg/L

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.08 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.08 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.08 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 0.17 µg/L

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

0.15 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 0.07 µg/L

3/24/2014

12 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.08 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.08 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.08 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

chloromethane (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.2 µg/L

Below Reporting Level

10/8/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

chlorpyrifos (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

chromium (14)

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

7.7 µg/L

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

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

6.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.5 µg/L

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

6.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.9 µg/L

9/25/2014

11 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

6 µg/L

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

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

5.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.6 µg/L

9/25/2014

11 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

4.2 µg/L

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

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

2.5 µg/L

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

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

6.2 µg/L

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

4/23/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.8 µg/L

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

6.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.5 µg/L

3/24/2014

12 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

6.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.9 µg/L

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

5.7 µg/L

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

3/24/2014

12 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

3 µg/L

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

3/24/2014

12 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

2.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.9 µg/L

3/24/2014

12 years ago

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

Contaminant Details

chromium-6 (14)

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

7.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 7.47 µg/L

9/25/2014

11 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

6.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 6.67 µg/L

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

6.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 6.47 µg/L

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.97 µg/L

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

5.7 µg/L

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

9/25/2014

11 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

4.5 µg/L

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

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

2.4 µg/L

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

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

7.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 7.67 µg/L

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

7.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 7.27 µg/L

3/24/2014

12 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

6.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 6.67 µg/L

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

6.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 6.07 µg/L

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

5.9 µg/L

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

3/24/2014

12 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

3.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.27 µg/L

3/24/2014

12 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

2.8 µg/L

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

3/24/2014

12 years ago

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

Contaminant Details

cobalt (14)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<1 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<1 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<1 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<1 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<1 µg/L

Below Reporting Level

9/25/2014

11 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/25/2014

11 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<1 µg/L

Below Reporting Level

4/23/2014

12 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<1 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<1 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<1 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<1 µg/L

Below Reporting Level

3/24/2014

12 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

3/24/2014

12 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

dimethipin (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (10)

WELL 07 UCMR

WELL 07 UCMR ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

ethoprop (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

Germanium (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

1/23/2020

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.3 µg/L

Below Reporting Level

1/23/2020

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

1/23/2020

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

1/23/2020

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (8)

1116 S. Ramona St - STG 2 DBP

Distribution System - DBP ℹ️

0.72 µg/L

Meets Reporting Threshold

10/18/2019

6 years ago

545 Segovia Ave - STG 2 DBP

Distribution System - DBP ℹ️

0.36 µg/L

Meets Reporting Threshold

10/18/2019

6 years ago

3003 N. San Gabriel Blvd - STG 2 DBP

Distribution System - DBP ℹ️

0 µg/L

Meets Reporting Threshold

10/18/2019

6 years ago

1854 S. Pine St - STG 2 DBP

Distribution System - DBP ℹ️

0 µg/L

Meets Reporting Threshold

10/18/2019

6 years ago

545 Segovia Ave - STG 2 DBP

Distribution System - DBP ℹ️

1.16 µg/L

Meets Reporting Threshold

4/10/2019

7 years ago

1116 S. Ramona St - STG 2 DBP

Distribution System - DBP ℹ️

0.78 µg/L

Meets Reporting Threshold

4/10/2019

7 years ago

1854 S. Pine St - STG 2 DBP

Distribution System - DBP ℹ️

0.57 µg/L

Meets Reporting Threshold

4/10/2019

7 years ago

3003 N. San Gabriel Blvd - STG 2 DBP

Distribution System - DBP ℹ️

0 µg/L

Meets Reporting Threshold

4/10/2019

7 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (8)

1116 S. Ramona St - STG 2 DBP

Distribution System - DBP ℹ️

0.89 µg/L

10/18/2019

6 years ago

545 Segovia Ave - STG 2 DBP

Distribution System - DBP ℹ️

0.36 µg/L

10/18/2019

6 years ago

3003 N. San Gabriel Blvd - STG 2 DBP

Distribution System - DBP ℹ️

0 µg/L

10/18/2019

6 years ago

1854 S. Pine St - STG 2 DBP

Distribution System - DBP ℹ️

0 µg/L

10/18/2019

6 years ago

545 Segovia Ave - STG 2 DBP

Distribution System - DBP ℹ️

1.39 µg/L

4/10/2019

7 years ago

1116 S. Ramona St - STG 2 DBP

Distribution System - DBP ℹ️

0.87 µg/L

4/10/2019

7 years ago

1854 S. Pine St - STG 2 DBP

Distribution System - DBP ℹ️

0.31 µg/L

4/10/2019

7 years ago

3003 N. San Gabriel Blvd - STG 2 DBP

Distribution System - DBP ℹ️

0 µg/L

4/10/2019

7 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (8)

1116 S. Ramona St - STG 2 DBP

Distribution System - DBP ℹ️

1.17 µg/L

10/18/2019

6 years ago

545 Segovia Ave - STG 2 DBP

Distribution System - DBP ℹ️

0.36 µg/L

10/18/2019

6 years ago

3003 N. San Gabriel Blvd - STG 2 DBP

Distribution System - DBP ℹ️

0 µg/L

10/18/2019

6 years ago

1854 S. Pine St - STG 2 DBP

Distribution System - DBP ℹ️

0 µg/L

10/18/2019

6 years ago

545 Segovia Ave - STG 2 DBP

Distribution System - DBP ℹ️

1.8 µg/L

4/10/2019

7 years ago

1116 S. Ramona St - STG 2 DBP

Distribution System - DBP ℹ️

1.16 µg/L

4/10/2019

7 years ago

1854 S. Pine St - STG 2 DBP

Distribution System - DBP ℹ️

0.57 µg/L

4/10/2019

7 years ago

3003 N. San Gabriel Blvd - STG 2 DBP

Distribution System - DBP ℹ️

0 µg/L

4/10/2019

7 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

lithium (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<9 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<9 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<9 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<9 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<9 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<9 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<9 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<9 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<9 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

Manganese (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

2 µg/L

Meets Reporting Threshold

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

4.4 µg/L

Meets Reporting Threshold

1/23/2020

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

0.82 µg/L

Meets Reporting Threshold

1/23/2020

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.4 µg/L

Below Reporting Level

1/23/2020

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

1/23/2020

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

1.6 µg/L

Meets Reporting Threshold

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

0.9 µg/L

Meets Reporting Threshold

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.4 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.4 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (10)

WELL 07 UCMR

WELL 07 UCMR ℹ️

<5 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<5 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<5 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<5 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<5 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<5 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<5 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<5 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<5 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<5 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

molinate (10)

WELL 12 UCMR

WELL 12 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<0.9 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

molybdenum (14)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

12 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 11 µg/L

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

7.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.5 µg/L

9/25/2014

11 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

7.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.3 µg/L

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

7.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.2 µg/L

9/25/2014

11 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

5.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.8 µg/L

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

5.4 µg/L

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

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

4.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.5 µg/L

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

5.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.3 µg/L

4/23/2014

12 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 10 µg/L

3/24/2014

12 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 7 µg/L

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

7.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.1 µg/L

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

7.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.1 µg/L

3/24/2014

12 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

5.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.3 µg/L

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

4.2 µg/L

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

3/24/2014

12 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.006 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.006 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.006 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.006 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.006 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.006 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.006 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.006 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.006 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

nitrobenzene (10)

WELL 07 UCMR

WELL 07 UCMR ℹ️

<10 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<10 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<10 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<10 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<10 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<10 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<10 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<10 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<10 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<10 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

o-toluidine (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.007 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.007 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.007 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.007 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.007 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.007 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

oxyfluorfen (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.05 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.05 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.05 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.05 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.05 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.05 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.05 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.05 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.05 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.05 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

perchlorate (10)

WELL 07 UCMR

WELL 07 UCMR ℹ️

<4 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<4 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<4 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<4 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<4 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

4.2 µg/L

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

6/12/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<4 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<4 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<4 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<4 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluorobutanesulfonic acid (19)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.09 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.09 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.09 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.09 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.09 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.09 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.09 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.09 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.09 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.09 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

perfluorobutanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluorodecanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluorododecanoic acid (4)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

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

Contaminant Details

perfluoroheptanesulfonic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluoroheptanoic acid (19)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.01 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.01 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.01 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.01 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (14)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

perfluorohexanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluorononanoic acid (19)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (19)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.04 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.04 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.04 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.04 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

perfluorooctanoic acid (19)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

3/24/2014

12 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluoropentanoic acid (4)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

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

Contaminant Details

perfluorotetradecanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.008 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.008 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.008 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.008 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.008 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.008 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.008 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.008 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.008 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluorotridecanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

perfluoroundecanoic acid (9)

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

7/12/2023

2 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.002 µg/L

Below Reporting Level

7/12/2023

2 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.002 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

7/12/2023

2 years ago

Well 16 Chlorination Station

Well 16 ℹ️

<0.002 µg/L

Below Reporting Level

7/12/2023

2 years ago

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

Contaminant Details

profenofos (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.3 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

quinoline (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.02 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.02 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (10)

WELL 12 UCMR

WELL 12 UCMR ℹ️

<1 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<1 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<1 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

strontium (14)

Well 16 Chlorination Station

Well 16 ℹ️

550 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 549.7 µg/L

9/25/2014

11 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 369.7 µg/L

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

280 µg/L

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

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

250 µg/L

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

9/25/2014

11 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

250 µg/L

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

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

180 µg/L

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

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

180 µg/L

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

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

160 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 159.7 µg/L

4/23/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

530 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 529.7 µg/L

3/24/2014

12 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

400 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 399.7 µg/L

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

220 µg/L

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

3/24/2014

12 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

200 µg/L

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

3/24/2014

12 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

180 µg/L

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

3/24/2014

12 years ago

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

Contaminant Details

tebuconazole (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

terbacil (10)

WELL 12 UCMR

WELL 12 UCMR ℹ️

<2 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<2 µg/L

Below Reporting Level

1/17/2003

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

WELL 07 UCMR

WELL 07 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 09 UCMR

WELL 09 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 11 UCMR

WELL 11 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 12 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

WELL 12 UCMR

WELL 14 UCMR ℹ️

<2 µg/L

Below Reporting Level

6/12/2002

23 years ago

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

Contaminant Details

Total Permethrin (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.04 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.04 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.04 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

tribufos (10)

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.07 µg/L

Below Reporting Level

7/16/2020

5 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

10/18/2019

6 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.07 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

10/18/2019

6 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

10/18/2019

6 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

4/10/2019

7 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

<0.07 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

<0.07 µg/L

Below Reporting Level

4/10/2019

7 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

4/10/2019

7 years ago

Well 15 Chlorination Station

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

4/10/2019

7 years ago

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

Contaminant Details

vanadium (14)

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

17 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 16.8 µg/L

9/25/2014

11 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

12 µg/L

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

9/25/2014

11 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 10.8 µg/L

9/25/2014

11 years ago

Well 16 Chlorination Station

Well 16 ℹ️

7.4 µg/L

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

9/25/2014

11 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

7.4 µg/L

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

9/25/2014

11 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

6.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.4 µg/L

9/25/2014

11 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

6.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.1 µg/L

9/25/2014

11 years ago

Wells 11 and 12 blend point

Wells 11 and 12 ℹ️

17 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 16.8 µg/L

4/23/2014

12 years ago

DSMRT for Lower Zone (Wells 12 & 14)

Distribution System ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 10.8 µg/L

3/24/2014

12 years ago

EP #19 - Well 14 Chlorination Station

Well 14 ℹ️

8.6 µg/L

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

3/24/2014

12 years ago

Well 16 Chlorination Station

Well 16 ℹ️

7.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.9 µg/L

3/24/2014

12 years ago

DSMRT for Upper Zone (Wells 3, 9 &11)

Distribution System ℹ️

6.4 µg/L

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

3/24/2014

12 years ago

EP #16 - Well 9 Chlorination Station

Well 9 ℹ️

5.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.7 µg/L

3/24/2014

12 years ago

EP #17 - Well 11 Chlorination Station

Well 11 ℹ️

5.7 µg/L

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

3/24/2014

12 years ago

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

Contaminant Details

Sampling Facilities

Well 14
Ground Water (GW)

EP #19 - Well 14 Chlorination StationEntry Point to the Distribution System (EP)

Wells 11 and 12
Ground Water (GW)

Wells 11 and 12 blend pointEntry Point to the Distribution System (EP)

Well 9
Ground Water (GW)

EP #16 - Well 9 Chlorination StationEntry Point to the Distribution System (EP)

Well 15
Ground Water (GW)

Well 15 Chlorination StationEntry Point to the Distribution System (EP)

Well 16
Ground Water (GW)

Well 16 Chlorination StationEntry Point to the Distribution System (EP)

Well 11
Ground Water (GW)

EP #17 - Well 11 Chlorination StationEntry Point to the Distribution System (EP)

Distribution System - DBP
Ground Water (GW)

3003 N. San Gabriel Blvd - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Ground Water (GW)

1116 S. Ramona St - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Ground Water (GW)

1854 S. Pine St - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Ground Water (GW)

545 Segovia Ave - STG 2 DBPDistribution System (DS)

Distribution System
Ground Water (GW)

DSMRT for Upper Zone (Wells 3, 9 &11)Maximum Residence Time (MR)

DSMRT for Lower Zone (Wells 12 & 14)Maximum Residence Time (MR)

WELL 07 UCMR
Ground Water (GW)

WELL 07 UCMREntry Point to the Distribution System (EP)

WELL 09 UCMR
Ground Water (GW)

WELL 09 UCMREntry Point to the Distribution System (EP)

WELL 11 UCMR
Ground Water (GW)

WELL 11 UCMREntry Point to the Distribution System (EP)

WELL 12 UCMR
Ground Water (GW)

WELL 12 UCMREntry Point to the Distribution System (EP)

WELL 14 UCMR
Ground Water (GW)

WELL 12 UCMREntry Point to the Distribution System (EP)

FAQ

Is San Gabriel County Water District tap water safe to drink?

When was San Gabriel County Water District last tested for water contamination?

The latest water samples were taken on January 10th, 2024.

Contaminants

1,1-dichloroethane (10)

1,2,3-trichloropropane (10)

1,3-butadiene (10)

1,4-dioxane (10)

1-butanol (10)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (9)

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

1H,1H,2H,2H-perfluorohexane sulfonic acid (9)

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

2,4-dinitrotoluene (10)

2,6-dinitrotoluene (10)

2-methoxyethanol (10)

2-propen-1-ol (Allyl Alcohol) (10)

4,4'-dichloro dichlorophenyl ethylene (DDE) (10)

4,8-dioxa-3H-perfluorononanoic acid (9)

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

alpha-hexachlorocyclohexane (10)

bromochloromethane (Halon 1011) (10)

bromomethane (10)

Butylated Hydroxyanisole (10)

chlorate (14)

chlorodifluoromethane (HCFC-22) (10)

chloromethane (10)

chlorpyrifos (10)

chromium (14)

chromium-6 (14)

cobalt (14)

dimethipin (10)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (10)

ethoprop (10)

Germanium (10)

HAA5 (five regulated haloacetic acids) (8)

HAA6Br (six brominated haloacetic acids) (8)

HAA9 (nine haloacetic acids) (8)

hexafluoropropylene oxide dimer acid (GenX) (9)

lithium (9)

Manganese (10)

methyl-tertiary-butyl-ether (MTBE) (10)

molinate (10)

molybdenum (14)

N-ethyl perfluorooctanesulfonamidoacetic acid (9)

N-methyl perfluorooctanesulfonamidoacetic acid (9)

nitrobenzene (10)

nonafluoro-3,6-dioxaheptanoic acid (9)

o-toluidine (10)

oxyfluorfen (10)

perchlorate (10)

perfluoro(2-ethoxyethane)sulfonic acid (9)

perfluoro-3-methoxypropanoic acid (9)

perfluoro-4-methoxybutanoic acid (9)

perfluorobutanesulfonic acid (19)

perfluorobutanoic acid (9)

perfluorodecanoic acid (9)

perfluorododecanoic acid (4)

perfluoroheptanesulfonic acid (9)

perfluoroheptanoic acid (19)

perfluorohexanesulfonic acid (14)

perfluorohexanoic acid (9)

perfluorononanoic acid (19)

perfluorooctanesulfonic acid (19)

perfluorooctanoic acid (19)

perfluoropentanesulfonic acid (9)

perfluoropentanoic acid (4)

perfluorotetradecanoic acid (9)

perfluorotridecanoic acid (9)

perfluoroundecanoic acid (9)

profenofos (10)

quinoline (10)

s-ethyl-dipropylthiocarbamate (EPTC) (10)

strontium (14)

tebuconazole (10)

terbacil (10)

Total Permethrin (10)

tribufos (10)

vanadium (14)

Sampling Facilities

Well 14 Ground Water (GW)

Wells 11 and 12 Ground Water (GW)

Well 9 Ground Water (GW)

Well 14
Ground Water (GW)

Wells 11 and 12
Ground Water (GW)

Well 9
Ground Water (GW)

Well 15
Ground Water (GW)

Well 16
Ground Water (GW)

Well 11
Ground Water (GW)

Distribution System - DBP
Ground Water (GW)

Distribution System - DBP
Ground Water (GW)

Distribution System - DBP
Ground Water (GW)

Distribution System - DBP
Ground Water (GW)

Distribution System
Ground Water (GW)

WELL 07 UCMR
Ground Water (GW)

WELL 09 UCMR
Ground Water (GW)

WELL 11 UCMR
Ground Water (GW)

WELL 12 UCMR
Ground Water (GW)

WELL 14 UCMR
Ground Water (GW)