Monte Vista Co. Water District (CA) Water Quality

Monte Vista Co. Water District is a large public water system in EPA region 9 that provides tap water for the 91710, 91763 zip codes. It has 24 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 14.5 µg/L. The maximum reported level of Manganese was 6.2 µg/L. There were 2 contamintants found in the Monte Vista Co. 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 (19)
1,2,3-trichloropropane (19)
1,3-butadiene (19)
1,4-dioxane (19)
1-butanol (24)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (10)
1H,1H,2H,2H-perfluorodecane sulfonic acid (10)
1H,1H,2H,2H-perfluorohexane sulfonic acid (10)
1H,1H,2H,2H-perfluorooctane sulfonic acid (10)
2,4-dinitrotoluene (19)
2,6-dinitrotoluene (19)
2-methoxyethanol (24)
2-propen-1-ol (Allyl Alcohol) (24)
4,4'-dichloro dichlorophenyl ethylene (DDE) (19)
4,8-dioxa-3H-perfluorononanoic acid (10)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (10)
alpha-hexachlorocyclohexane (24)
anatoxin-a (32)
bromochloromethane (Halon 1011) (19)
bromomethane (19)
Butylated Hydroxyanisole (24)
chlorate (36)
chlorodifluoromethane (HCFC-22) (19)
chloromethane (19)
chlorpyrifos (24)
chromium (36)
chromium-6 (36)
cobalt (36)
cylindrospermopsin (32)
dimethipin (24)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (18)
ethoprop (24)
Germanium (24)
HAA5 (five regulated haloacetic acids) (32)
HAA6Br (six brominated haloacetic acids) (32)
HAA9 (nine haloacetic acids) (32)
hexafluoropropylene oxide dimer acid (GenX) (10)
lithium (13)
Manganese (24)
methyl-tertiary-butyl-ether (MTBE) (19)
molinate (19)
molybdenum (36)
N-ethyl perfluorooctanesulfonamidoacetic acid (13)
N-methyl perfluorooctanesulfonamidoacetic acid (13)
nitrobenzene (19)
nonafluoro-3,6-dioxaheptanoic acid (10)
o-toluidine (24)
oxyfluorfen (24)
perchlorate (25)
perfluoro(2-ethoxyethane)sulfonic acid (10)
perfluoro-3-methoxypropanoic acid (10)
perfluoro-4-methoxybutanoic acid (10)
perfluorobutanesulfonic acid (29)
perfluorobutanoic acid (10)
perfluorodecanoic acid (10)
perfluorododecanoic acid (10)
perfluoroheptanesulfonic acid (10)
perfluoroheptanoic acid (29)
perfluorohexanesulfonic acid (28)
perfluorohexanoic acid (9)
perfluorononanoic acid (29)
perfluorooctanesulfonic acid (29)
perfluorooctanoic acid (29)
perfluoropentanesulfonic acid (10)
perfluoropentanoic acid (9)
perfluorotetradecanoic acid (13)
perfluorotridecanoic acid (13)
perfluoroundecanoic acid (10)
profenofos (24)
quinoline (24)
s-ethyl-dipropylthiocarbamate (EPTC) (19)
strontium (36)
tebuconazole (24)
terbacil (19)
total microcystins (32)
Total Permethrin (24)
tribufos (24)
vanadium (36)

1,1-dichloroethane (19)

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

1,2,3-trichloropropane (19)

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

1,3-butadiene (19)

Well 31 Treated

Well 31 ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.1 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.1 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.1 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.1 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.1 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.1 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.1 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.1 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.1 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.1 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.1 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.1 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.1 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.1 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.1 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.1 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

1,4-dioxane (19)

Well 31 Treated

Well 31 ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.07 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.07 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.07 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.07 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.07 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.07 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.07 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

0.103 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.033 µg/L

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.07 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

1-butanol (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<2 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<2 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<2 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<2 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<2 µg/L

Below Reporting Level

8/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<2 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<2 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<2 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<2 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<2 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<2 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<2 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<2 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<2 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<2 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<2 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<2 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

2,4-dinitrotoluene (19)

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<2 µg/L

Below Reporting Level

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<2 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<2 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<2 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<2 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<2 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<2 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<2 µg/L

Below Reporting Level

3/7/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<2 µg/L

Below Reporting Level

2/19/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<2 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<2 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<2 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<2 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 11 01S/08W-15J01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

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

Contaminant Details

2,6-dinitrotoluene (19)

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<2 µg/L

Below Reporting Level

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<2 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<2 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<2 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<2 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<2 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<2 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<2 µg/L

Below Reporting Level

3/7/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<2 µg/L

Below Reporting Level

2/19/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<2 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<2 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<2 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<2 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 11 01S/08W-15J01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

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

Contaminant Details

2-methoxyethanol (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.4 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.4 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.4 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.4 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.4 µg/L

Below Reporting Level

8/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.4 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.4 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.4 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.4 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.5 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.5 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.5 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.5 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.5 µg/L

Below Reporting Level

8/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.5 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.5 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.5 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.5 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.5 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.5 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.5 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.5 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.5 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.5 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.5 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.5 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (19)

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<0.8 µg/L

Below Reporting Level

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<0.8 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<0.8 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<0.8 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<0.8 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<0.8 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<0.8 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<0.8 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<0.8 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<0.8 µg/L

Below Reporting Level

3/7/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<0.8 µg/L

Below Reporting Level

2/19/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<0.8 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<0.8 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<0.8 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<0.8 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<0.8 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<0.8 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 11 01S/08W-15J01

WELL 11 ℹ️

<0.8 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<0.8 µg/L

Below Reporting Level

1/27/2003

22 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.002 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.002 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.002 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.01 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.01 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.01 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.01 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.01 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.01 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.01 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

anatoxin-a (32)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

7/28/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/28/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

7/28/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/28/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

6/23/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/23/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

6/23/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/23/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

6/9/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/9/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

6/9/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/9/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

5/12/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

5/12/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

5/12/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

5/12/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

4/29/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/29/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

4/29/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/29/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2020

5 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (19)

Well 31 Treated

Well 31 ℹ️

<0.06 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.06 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.06 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.06 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

0.066 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.006 µg/L

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.06 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.06 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.06 µg/L

Below Reporting Level

7/24/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

0.063 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.003 µg/L

7/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.06 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.06 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

0.1 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.04 µg/L

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.06 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.06 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.06 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.06 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.06 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.06 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.06 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

bromomethane (19)

Well 31 Treated

Well 31 ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.2 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.2 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.2 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.2 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.2 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

Butylated Hydroxyanisole (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

chlorate (36)

Well 31 Treated

Well 31 ℹ️

<20 µg/L

Below Reporting Level

7/17/2014

11 years ago

5565 Palo Verde

Distribution System ℹ️

47 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 27 µg/L

7/15/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<20 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<20 µg/L

Below Reporting Level

1/6/2014

11 years ago

4672 Highland

Zone 1 DSMRT ℹ️

<20 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

36 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 16 µg/L

10/31/2013

12 years ago

5565 Palo Verde

Distribution System ℹ️

21 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 1 µg/L

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<20 µg/L

Below Reporting Level

10/10/2013

12 years ago

East End & County Road

Distribution System ℹ️

<20 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<20 µg/L

Below Reporting Level

10/9/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

<20 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<20 µg/L

Below Reporting Level

10/7/2013

12 years ago

12168 Ramona

Distribution System ℹ️

<20 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

29 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 9 µg/L

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<20 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<20 µg/L

Below Reporting Level

7/17/2013

12 years ago

12168 Ramona

Distribution System ℹ️

<20 µg/L

Below Reporting Level

7/17/2013

12 years ago

East End & County Road

Distribution System ℹ️

<20 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

93 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 73 µg/L

7/15/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

70 µg/L

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

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<20 µg/L

Below Reporting Level

7/11/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

<20 µg/L

Below Reporting Level

7/11/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

100 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 80 µg/L

7/8/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

23 µg/L

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

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<20 µg/L

Below Reporting Level

4/17/2013

12 years ago

East End & County Road

Distribution System ℹ️

<20 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<20 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<20 µg/L

Below Reporting Level

4/15/2013

12 years ago

12168 Ramona

Distribution System ℹ️

<20 µg/L

Below Reporting Level

4/15/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

<20 µg/L

Below Reporting Level

4/15/2013

12 years ago

East End & County Road

Distribution System ℹ️

57 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 37 µg/L

1/23/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

32 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 12 µg/L

1/23/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

79 µg/L

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

1/21/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

27 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 7 µg/L

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

110 µg/L

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

1/16/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

67 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 47 µg/L

1/16/2013

12 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (19)

Well 31 Treated

Well 31 ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.08 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.08 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.08 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.08 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.08 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.08 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.08 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.08 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.08 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.08 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.08 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.08 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.08 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.08 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.08 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.08 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

chloromethane (19)

Well 31 Treated

Well 31 ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.2 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.2 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.2 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.2 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.2 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

chlorpyrifos (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

chromium (36)

Well 31 Treated

Well 31 ℹ️

6.9 µg/L

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

7/17/2014

11 years ago

5565 Palo Verde

Distribution System ℹ️

3.9 µg/L

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

7/15/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

5.8 µg/L

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

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

0.76 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.56 µg/L

1/6/2014

11 years ago

4672 Highland

Zone 1 DSMRT ℹ️

0.64 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.44 µg/L

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

0.76 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.56 µg/L

10/31/2013

12 years ago

5565 Palo Verde

Distribution System ℹ️

0.57 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.37 µg/L

10/31/2013

12 years ago

East End & County Road

Distribution System ℹ️

2.8 µg/L

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

10/10/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L

10/9/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

0.24 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.04 µg/L

10/9/2013

12 years ago

12168 Ramona

Distribution System ℹ️

2.2 µg/L

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

10/7/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.7 µg/L

10/7/2013

12 years ago

12168 Ramona

Distribution System ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L

7/25/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

5.9 µg/L

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

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

2.1 µg/L

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

7/17/2013

12 years ago

East End & County Road

Distribution System ℹ️

1.8 µg/L

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

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

0.42 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.22 µg/L

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

4.9 µg/L

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

7/15/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

3.7 µg/L

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

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

0.54 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.34 µg/L

7/11/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

0.48 µg/L

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

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

4.1 µg/L

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

7/8/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

3.9 µg/L

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

7/8/2013

12 years ago

East End & County Road

Distribution System ℹ️

1.4 µg/L

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

4/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

0.68 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.48 µg/L

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

1.8 µg/L

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

4/15/2013

12 years ago

12168 Ramona

Distribution System ℹ️

1.3 µg/L

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

4/15/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

0.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

0.59 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.39 µg/L

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

4.8 µg/L

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

1/23/2013

12 years ago

East End & County Road

Distribution System ℹ️

3.4 µg/L

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

1/23/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

3.6 µg/L

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

1/21/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

3.4 µg/L

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

1/21/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

5 µg/L

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

1/16/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

4.5 µg/L

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

1/16/2013

12 years ago

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

Contaminant Details

chromium-6 (36)

Well 31 Treated

Well 31 ℹ️

7.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 7.17 µg/L

7/17/2014

11 years ago

5565 Palo Verde

Distribution System ℹ️

4.3 µg/L

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

7/15/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

6.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 6.77 µg/L

1/15/2014

11 years ago

4672 Highland

Zone 1 DSMRT ℹ️

0.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.67 µg/L

1/6/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

0.54 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.51 µg/L

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

0.76 µg/L

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

10/31/2013

12 years ago

5565 Palo Verde

Distribution System ℹ️

0.59 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.56 µg/L

10/31/2013

12 years ago

East End & County Road

Distribution System ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.47 µg/L

10/10/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

0.17 µg/L

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

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

0.17 µg/L

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

10/9/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

0.16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.13 µg/L

10/9/2013

12 years ago

12168 Ramona

Distribution System ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.47 µg/L

10/7/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

2.2 µg/L

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

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

5.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.77 µg/L

7/24/2013

12 years ago

East End & County Road

Distribution System ℹ️

2.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.27 µg/L

7/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

1.9 µg/L

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

7/17/2013

12 years ago

12168 Ramona

Distribution System ℹ️

0.67 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.64 µg/L

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

0.23 µg/L

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

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

5.2 µg/L

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

7/15/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.87 µg/L

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

0.23 µg/L

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

7/11/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

0.23 µg/L

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

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

4.3 µg/L

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

7/8/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

4 µg/L

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

7/8/2013

12 years ago

East End & County Road

Distribution System ℹ️

1.1 µg/L

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

4/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

0.56 µg/L

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

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

1.9 µg/L

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

4/15/2013

12 years ago

12168 Ramona

Distribution System ℹ️

1.3 µg/L

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

4/15/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

0.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.37 µg/L

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

0.39 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.36 µg/L

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

5.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.47 µg/L

1/23/2013

12 years ago

East End & County Road

Distribution System ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.77 µg/L

1/23/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

4 µg/L

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

1/21/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.87 µg/L

1/21/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

5.2 µg/L

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

1/16/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

4.9 µg/L

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

1/16/2013

12 years ago

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

Contaminant Details

cobalt (36)

Well 31 Treated

Well 31 ℹ️

<1 µg/L

Below Reporting Level

7/17/2014

11 years ago

5565 Palo Verde

Distribution System ℹ️

<1 µg/L

Below Reporting Level

7/15/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<1 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<1 µg/L

Below Reporting Level

1/6/2014

11 years ago

4672 Highland

Zone 1 DSMRT ℹ️

<1 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<1 µg/L

Below Reporting Level

10/31/2013

12 years ago

5565 Palo Verde

Distribution System ℹ️

<1 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<1 µg/L

Below Reporting Level

10/10/2013

12 years ago

East End & County Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<1 µg/L

Below Reporting Level

10/9/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

<1 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<1 µg/L

Below Reporting Level

10/7/2013

12 years ago

12168 Ramona

Distribution System ℹ️

<1 µg/L

Below Reporting Level

10/7/2013

12 years ago

12168 Ramona

Distribution System ℹ️

<1 µg/L

Below Reporting Level

7/25/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<1 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

East End & County Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<1 µg/L

Below Reporting Level

7/15/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<1 µg/L

Below Reporting Level

7/11/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

<1 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

7/8/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<1 µg/L

Below Reporting Level

4/17/2013

12 years ago

East End & County Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<1 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<1 µg/L

Below Reporting Level

4/15/2013

12 years ago

12168 Ramona

Distribution System ℹ️

<1 µg/L

Below Reporting Level

4/15/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

<1 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<1 µg/L

Below Reporting Level

1/23/2013

12 years ago

East End & County Road

Distribution System ℹ️

<1 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

1/21/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<1 µg/L

Below Reporting Level

1/16/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

cylindrospermopsin (32)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

7/28/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

7/28/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.09 µg/L

Below Reporting Level

7/28/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

7/28/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

7/14/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

7/14/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.09 µg/L

Below Reporting Level

7/14/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

7/14/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

6/23/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

6/23/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.09 µg/L

Below Reporting Level

6/23/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

6/23/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

6/9/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

6/9/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.09 µg/L

Below Reporting Level

6/9/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

6/9/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

5/26/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

5/26/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.09 µg/L

Below Reporting Level

5/26/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

5/26/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

5/12/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

5/12/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.09 µg/L

Below Reporting Level

5/12/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

5/12/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

4/29/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

4/29/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.09 µg/L

Below Reporting Level

4/29/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

4/29/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

4/15/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

4/15/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.09 µg/L

Below Reporting Level

4/15/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

4/15/2020

5 years ago

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

Contaminant Details

dimethipin (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (18)

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<1 µg/L

Below Reporting Level

5/7/2004

21 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<1 µg/L

Below Reporting Level

5/6/2004

21 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

5/6/2004

21 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<1 µg/L

Below Reporting Level

5/6/2004

21 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<1 µg/L

Below Reporting Level

5/6/2004

21 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<1 µg/L

Below Reporting Level

5/6/2004

21 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<1 µg/L

Below Reporting Level

5/6/2004

21 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<1 µg/L

Below Reporting Level

5/6/2004

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

5/4/2004

21 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<1 µg/L

Below Reporting Level

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<1 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<1 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<1 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<1 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<1 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<1 µg/L

Below Reporting Level

7/9/2003

22 years ago

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

Contaminant Details

ethoprop (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

Germanium (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (32)

9687 Bel Air

Distribution System ℹ️

10.76 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

4672 Highland

Distribution System ℹ️

10.59 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

9.92 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

9.72 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

5516 Armsley

Distribution System ℹ️

8.87 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

11600 Benson

Distribution System ℹ️

7.38 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

3656 Riverside

Distribution System ℹ️

1.54 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

5460 Brooks

Distribution System ℹ️

0.53 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

9.2 µg/L

Meets Reporting Threshold

6/11/2019

6 years ago

5516 Armsley

Distribution System ℹ️

9.15 µg/L

Meets Reporting Threshold

6/11/2019

6 years ago

9687 Bel Air

Distribution System ℹ️

6.54 µg/L

Meets Reporting Threshold

6/11/2019

6 years ago

11600 Benson

Distribution System ℹ️

2.52 µg/L

Meets Reporting Threshold

6/11/2019

6 years ago

3656 Riverside

Distribution System ℹ️

1.29 µg/L

Meets Reporting Threshold

6/11/2019

6 years ago

5460 Brooks

Distribution System ℹ️

0.89 µg/L

Meets Reporting Threshold

6/11/2019

6 years ago

4672 Highland

Distribution System ℹ️

0 µg/L

Meets Reporting Threshold

6/11/2019

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

0 µg/L

Meets Reporting Threshold

6/11/2019

6 years ago

5516 Armsley

Distribution System ℹ️

9.9 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

9687 Bel Air

Distribution System ℹ️

5.5 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

3656 Riverside

Distribution System ℹ️

5.4 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

5.1 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

2.67 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

5460 Brooks

Distribution System ℹ️

1.85 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

11600 Benson

Distribution System ℹ️

1.6 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

4672 Highland

Distribution System ℹ️

0 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

14.5 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

5516 Armsley

Distribution System ℹ️

13.8 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

9687 Bel Air

Distribution System ℹ️

8.4 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

7.3 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

3656 Riverside

Distribution System ℹ️

5.13 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

4672 Highland

Distribution System ℹ️

5.04 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

5460 Brooks

Distribution System ℹ️

1.32 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

11600 Benson

Distribution System ℹ️

0.87 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (32)

4672 Highland

Distribution System ℹ️

14.19 µg/L

9/10/2019

6 years ago

9687 Bel Air

Distribution System ℹ️

13.76 µg/L

9/10/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

12.92 µg/L

9/10/2019

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

12.82 µg/L

9/10/2019

6 years ago

5516 Armsley

Distribution System ℹ️

11.77 µg/L

9/10/2019

6 years ago

11600 Benson

Distribution System ℹ️

9.18 µg/L

9/10/2019

6 years ago

3656 Riverside

Distribution System ℹ️

1.81 µg/L

9/10/2019

6 years ago

5460 Brooks

Distribution System ℹ️

0.32 µg/L

9/10/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

18.3 µg/L

6/11/2019

6 years ago

5516 Armsley

Distribution System ℹ️

18.05 µg/L

6/11/2019

6 years ago

9687 Bel Air

Distribution System ℹ️

11.44 µg/L

6/11/2019

6 years ago

11600 Benson

Distribution System ℹ️

4.3 µg/L

6/11/2019

6 years ago

3656 Riverside

Distribution System ℹ️

2.04 µg/L

6/11/2019

6 years ago

5460 Brooks

Distribution System ℹ️

1.32 µg/L

6/11/2019

6 years ago

4672 Highland

Distribution System ℹ️

0 µg/L

6/11/2019

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

0 µg/L

6/11/2019

6 years ago

5516 Armsley

Distribution System ℹ️

11.3 µg/L

3/29/2019

6 years ago

9687 Bel Air

Distribution System ℹ️

6.7 µg/L

3/29/2019

6 years ago

3656 Riverside

Distribution System ℹ️

6.5 µg/L

3/29/2019

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

6.3 µg/L

3/29/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

2.73 µg/L

3/29/2019

6 years ago

5460 Brooks

Distribution System ℹ️

2.58 µg/L

3/29/2019

6 years ago

11600 Benson

Distribution System ℹ️

2.14 µg/L

3/29/2019

6 years ago

4672 Highland

Distribution System ℹ️

0 µg/L

3/29/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

28.8 µg/L

12/28/2018

6 years ago

5516 Armsley

Distribution System ℹ️

26.7 µg/L

12/28/2018

6 years ago

9687 Bel Air

Distribution System ℹ️

16 µg/L

12/28/2018

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

11.7 µg/L

12/28/2018

6 years ago

4672 Highland

Distribution System ℹ️

8.3 µg/L

12/28/2018

6 years ago

3656 Riverside

Distribution System ℹ️

8.3 µg/L

12/28/2018

6 years ago

5460 Brooks

Distribution System ℹ️

2.05 µg/L

12/28/2018

6 years ago

11600 Benson

Distribution System ℹ️

1.07 µg/L

12/28/2018

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (32)

4672 Highland

Distribution System ℹ️

20.49 µg/L

9/10/2019

6 years ago

9687 Bel Air

Distribution System ℹ️

20.36 µg/L

9/10/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

18.92 µg/L

9/10/2019

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

18.62 µg/L

9/10/2019

6 years ago

5516 Armsley

Distribution System ℹ️

16.97 µg/L

9/10/2019

6 years ago

11600 Benson

Distribution System ℹ️

13.88 µg/L

9/10/2019

6 years ago

3656 Riverside

Distribution System ℹ️

2.53 µg/L

9/10/2019

6 years ago

5460 Brooks

Distribution System ℹ️

0.53 µg/L

9/10/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

22.7 µg/L

6/11/2019

6 years ago

5516 Armsley

Distribution System ℹ️

22.55 µg/L

6/11/2019

6 years ago

9687 Bel Air

Distribution System ℹ️

14.54 µg/L

6/11/2019

6 years ago

11600 Benson

Distribution System ℹ️

5.02 µg/L

6/11/2019

6 years ago

3656 Riverside

Distribution System ℹ️

2.36 µg/L

6/11/2019

6 years ago

5460 Brooks

Distribution System ℹ️

1.67 µg/L

6/11/2019

6 years ago

4672 Highland

Distribution System ℹ️

0 µg/L

6/11/2019

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

0 µg/L

6/11/2019

6 years ago

5516 Armsley

Distribution System ℹ️

18.6 µg/L

3/29/2019

6 years ago

3656 Riverside

Distribution System ℹ️

10.8 µg/L

3/29/2019

6 years ago

9687 Bel Air

Distribution System ℹ️

10.2 µg/L

3/29/2019

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

9.4 µg/L

3/29/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

4.54 µg/L

3/29/2019

6 years ago

5460 Brooks

Distribution System ℹ️

3.23 µg/L

3/29/2019

6 years ago

11600 Benson

Distribution System ℹ️

2.64 µg/L

3/29/2019

6 years ago

4672 Highland

Distribution System ℹ️

0 µg/L

3/29/2019

6 years ago

5501 Arrow Highway

Distribution System ℹ️

34.7 µg/L

12/28/2018

6 years ago

5516 Armsley

Distribution System ℹ️

32.1 µg/L

12/28/2018

6 years ago

9687 Bel Air

Distribution System ℹ️

19.3 µg/L

12/28/2018

6 years ago

4586 Bonnie Brae

Distribution System ℹ️

14.4 µg/L

12/28/2018

6 years ago

4672 Highland

Distribution System ℹ️

10.24 µg/L

12/28/2018

6 years ago

3656 Riverside

Distribution System ℹ️

9.93 µg/L

12/28/2018

6 years ago

5460 Brooks

Distribution System ℹ️

2.39 µg/L

12/28/2018

6 years ago

11600 Benson

Distribution System ℹ️

1.27 µg/L

12/28/2018

6 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (10)

WFA to Zone 1

Plant 4 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

lithium (13)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<9 µg/L

Below Reporting Level

6/10/2025

4 months ago

WFA to Zone 1

Plant 4 ℹ️

<9 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<9 µg/L

Below Reporting Level

6/10/2025

4 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<9 µg/L

Below Reporting Level

6/10/2025

4 months ago

Well 5 Treated

Well 5 ℹ️

<9 µg/L

Below Reporting Level

3/18/2025

7 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<9 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<9 µg/L

Below Reporting Level

3/18/2025

7 months ago

WFA to Zone 1

Plant 4 ℹ️

<9 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<9 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<9 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<9 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<9 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<9 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

Manganese (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

1.2 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

1.1 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

1.1 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.4 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

1.2 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

1.1 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

1.1 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

1.1 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

0.96 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

0.72 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

0.48 µg/L

Meets Reporting Threshold

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

2.7 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

2.3 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

2.2 µg/L

Meets Reporting Threshold

3/29/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

6.2 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

1.1 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

1.1 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

1.1 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

0.73 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

0.57 µg/L

Meets Reporting Threshold

12/28/2018

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (19)

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<5 µg/L

Below Reporting Level

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<5 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<5 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<5 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<5 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<5 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<5 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<5 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<5 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<5 µg/L

Below Reporting Level

3/7/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<5 µg/L

Below Reporting Level

2/19/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<5 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<5 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<5 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<5 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<5 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<5 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 11 01S/08W-15J01

WELL 11 ℹ️

<5 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<5 µg/L

Below Reporting Level

1/27/2003

22 years ago

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

Contaminant Details

molinate (19)

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<0.9 µg/L

Below Reporting Level

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<0.9 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<0.9 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<0.9 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<0.9 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<0.9 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<0.9 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<0.9 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<0.9 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<0.9 µg/L

Below Reporting Level

3/7/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<0.9 µg/L

Below Reporting Level

2/19/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<0.9 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<0.9 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<0.9 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<0.9 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<0.9 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<0.9 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 11 01S/08W-15J01

WELL 11 ℹ️

<0.9 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<0.9 µg/L

Below Reporting Level

1/27/2003

22 years ago

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

Contaminant Details

molybdenum (36)

Well 31 Treated

Well 31 ℹ️

1.7 µg/L

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

7/17/2014

11 years ago

5565 Palo Verde

Distribution System ℹ️

3.2 µg/L

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

7/15/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

1.5 µg/L

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

1/15/2014

11 years ago

4672 Highland

Zone 1 DSMRT ℹ️

2.8 µg/L

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

1/6/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L

10/31/2013

12 years ago

5565 Palo Verde

Distribution System ℹ️

2 µg/L

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

10/31/2013

12 years ago

East End & County Road

Distribution System ℹ️

1.8 µg/L

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

10/10/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

1.6 µg/L

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

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

1.8 µg/L

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

10/9/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

1.8 µg/L

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

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

2 µg/L

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

10/7/2013

12 years ago

12168 Ramona

Distribution System ℹ️

1.8 µg/L

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

10/7/2013

12 years ago

12168 Ramona

Distribution System ℹ️

2.4 µg/L

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

7/25/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

1.5 µg/L

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

7/24/2013

12 years ago

East End & County Road

Distribution System ℹ️

4.7 µg/L

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

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

2.6 µg/L

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

7/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

2.1 µg/L

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

7/15/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

2 µg/L

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

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

2.9 µg/L

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

7/11/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

2.8 µg/L

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

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

1.2 µg/L

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

7/8/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

1.2 µg/L

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

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

2.9 µg/L

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

4/17/2013

12 years ago

East End & County Road

Distribution System ℹ️

2.8 µg/L

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

4/17/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

3.2 µg/L

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

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2 µg/L

4/15/2013

12 years ago

12168 Ramona

Distribution System ℹ️

2.9 µg/L

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

4/15/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

2.6 µg/L

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

4/15/2013

12 years ago

East End & County Road

Distribution System ℹ️

1.5 µg/L

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

1/23/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

1.3 µg/L

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

1/23/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

1.7 µg/L

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

1/21/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

1.3 µg/L

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

1/21/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

2.2 µg/L

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

1/16/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

1.5 µg/L

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

1/16/2013

12 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (13)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

WFA to Zone 1

Plant 4 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

WFA to Zone 1

Plant 4 ℹ️

<0.005 µg/L

Below Reporting Level

4/17/2025

6 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.005 µg/L

Below Reporting Level

4/17/2025

6 months ago

Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (13)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.006 µg/L

Below Reporting Level

6/10/2025

4 months ago

WFA to Zone 1

Plant 4 ℹ️

<0.006 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.006 µg/L

Below Reporting Level

6/10/2025

4 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.006 µg/L

Below Reporting Level

6/10/2025

4 months ago

WFA to Zone 1

Plant 4 ℹ️

<0.006 µg/L

Below Reporting Level

4/17/2025

6 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.006 µg/L

Below Reporting Level

4/17/2025

6 months ago

Well 5 Treated

Well 5 ℹ️

<0.006 µg/L

Below Reporting Level

3/18/2025

7 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.006 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.006 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.006 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.006 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.006 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.006 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

nitrobenzene (19)

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<10 µg/L

Below Reporting Level

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<10 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<10 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<10 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<10 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<10 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<10 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<10 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<10 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<10 µg/L

Below Reporting Level

3/7/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<10 µg/L

Below Reporting Level

2/19/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<10 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<10 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<10 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<10 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<10 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<10 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 11 01S/08W-15J01

WELL 11 ℹ️

<10 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<10 µg/L

Below Reporting Level

1/27/2003

22 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.02 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

o-toluidine (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.007 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.007 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.007 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.007 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.007 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.007 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.007 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.007 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.007 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

oxyfluorfen (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.05 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.05 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.05 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.05 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.05 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.05 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.05 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.05 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.05 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.05 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.05 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.05 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.05 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.05 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.05 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.05 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

perchlorate (25)

WELL 6 POE - PLANT 17 BLENDING FACILITY

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

3/9/2005

20 years ago

WELL 27 POE - PLANT 4 BLENDING FACILITY

WELL 27 ℹ️

<4 µg/L

Below Reporting Level

3/2/2005

20 years ago

WELL 6 POE - PLANT 17 BLENDING FACILITY

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

9/21/2004

21 years ago

WELL 27 POE - PLANT 4 BLENDING FACILITY

WELL 27 ℹ️

<4 µg/L

Below Reporting Level

9/21/2004

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

7/19/2004

21 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<4 µg/L

Below Reporting Level

7/19/2004

21 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

4.2 µg/L

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

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 0.4 µg/L

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<4 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<4 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<4 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<4 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<4 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<4 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<4 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<4 µg/L

Below Reporting Level

3/7/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<4 µg/L

Below Reporting Level

2/19/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<4 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<4 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<4 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<4 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<4 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 11 01S/08W-15J01

WELL 11 ℹ️

<4 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<4 µg/L

Below Reporting Level

1/27/2003

22 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (29)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.09 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.09 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.09 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.09 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.09 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.09 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.09 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.09 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.09 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.09 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

perfluorobutanoic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.005 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.005 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluorodecanoic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluorododecanoic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluoroheptanoic acid (29)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.01 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.01 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.01 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.01 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.01 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.01 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.01 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.01 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.01 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (28)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

0.0074 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0044 µg/L

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

0.0064 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0034 µg/L

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

0.0045 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0015 µg/L

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.03 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.03 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.03 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.03 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.03 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

perfluorohexanoic acid (9)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluorononanoic acid (29)

WFA to Zone 1

Plant 4 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.02 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.02 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.02 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.02 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.02 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.02 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (29)

WFA to Zone 1

Plant 4 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2025

5 months ago

Entry Point to Dist. System

Well 28 ℹ️

0.0053 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0013 µg/L

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

0.005 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.001 µg/L

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

0.0049 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0009 µg/L

3/18/2025

7 months ago

Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.04 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.04 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.04 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.04 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.04 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.04 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.04 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.04 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

perfluorooctanoic acid (29)

WFA to Zone 1

Plant 4 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

<0.02 µg/L

Below Reporting Level

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

<0.02 µg/L

Below Reporting Level

10/31/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

10/9/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

10/7/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.02 µg/L

Below Reporting Level

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.02 µg/L

Below Reporting Level

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

7/8/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.02 µg/L

Below Reporting Level

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.02 µg/L

Below Reporting Level

1/16/2013

12 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.004 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluoropentanoic acid (9)

WFA to Zone 1

Plant 4 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.003 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 31 Treated

Well 31 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.003 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluorotetradecanoic acid (13)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.008 µg/L

Below Reporting Level

6/10/2025

4 months ago

WFA to Zone 1

Plant 4 ℹ️

<0.008 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.008 µg/L

Below Reporting Level

6/10/2025

4 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.008 µg/L

Below Reporting Level

6/10/2025

4 months ago

WFA to Zone 1

Plant 4 ℹ️

<0.008 µg/L

Below Reporting Level

4/17/2025

6 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.008 µg/L

Below Reporting Level

4/17/2025

6 months ago

Well 5 Treated

Well 5 ℹ️

<0.008 µg/L

Below Reporting Level

3/18/2025

7 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.008 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.008 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.008 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.008 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.008 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.008 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluorotridecanoic acid (13)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.007 µg/L

Below Reporting Level

6/10/2025

4 months ago

WFA to Zone 1

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.007 µg/L

Below Reporting Level

6/10/2025

4 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.007 µg/L

Below Reporting Level

6/10/2025

4 months ago

WFA to Zone 1

Plant 4 ℹ️

<0.007 µg/L

Below Reporting Level

4/17/2025

6 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.007 µg/L

Below Reporting Level

4/17/2025

6 months ago

Well 5 Treated

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2025

7 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

perfluoroundecanoic acid (10)

WFA to Zone 1

Plant 4 ℹ️

<0.002 µg/L

Below Reporting Level

6/10/2025

4 months ago

Upland Connection

Plant 18 ℹ️

<0.002 µg/L

Below Reporting Level

6/10/2025

4 months ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.002 µg/L

Below Reporting Level

5/21/2025

5 months ago

Well 5 Treated

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

Well 31 Treated

Well 31 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

Upland Connection

Plant 18 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Ramona Avenue Blend ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

Entry Point to Dist. System

Well 28 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.002 µg/L

Below Reporting Level

3/18/2025

7 months ago

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

Contaminant Details

profenofos (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

quinoline (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.02 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.02 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.02 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.02 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.02 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.02 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.02 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (19)

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<1 µg/L

Below Reporting Level

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<1 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<1 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<1 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<1 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<1 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<1 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<1 µg/L

Below Reporting Level

3/7/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<1 µg/L

Below Reporting Level

2/19/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<1 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<1 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<1 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<1 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 11 01S/08W-15J01

WELL 11 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

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

Contaminant Details

strontium (36)

Well 31 Treated

Well 31 ℹ️

250 µg/L

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

7/17/2014

11 years ago

5565 Palo Verde

Distribution System ℹ️

300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L

7/15/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

240 µg/L

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

1/15/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

260 µg/L

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

1/6/2014

11 years ago

4672 Highland

Zone 1 DSMRT ℹ️

260 µg/L

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

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

260 µg/L

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

10/31/2013

12 years ago

5565 Palo Verde

Distribution System ℹ️

240 µg/L

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

10/31/2013

12 years ago

East End & County Road

Distribution System ℹ️

260 µg/L

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

10/10/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

210 µg/L

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

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

230 µg/L

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

10/9/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

230 µg/L

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

10/9/2013

12 years ago

12168 Ramona

Distribution System ℹ️

260 µg/L

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

10/7/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

250 µg/L

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

10/7/2013

12 years ago

12168 Ramona

Distribution System ℹ️

120 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 119.7 µg/L

7/25/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

280 µg/L

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

7/24/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

280 µg/L

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

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

270 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 269.7 µg/L

7/17/2013

12 years ago

East End & County Road

Distribution System ℹ️

220 µg/L

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

7/17/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

280 µg/L

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

7/15/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

250 µg/L

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

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L

7/11/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

290 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 289.7 µg/L

7/11/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

350 µg/L

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

7/8/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

340 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L

7/8/2013

12 years ago

East End & County Road

Distribution System ℹ️

300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L

4/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

290 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 289.7 µg/L

4/17/2013

12 years ago

12168 Ramona

Distribution System ℹ️

300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L

4/15/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L

4/15/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

290 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 289.7 µg/L

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

280 µg/L

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

4/15/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L

1/23/2013

12 years ago

East End & County Road

Distribution System ℹ️

270 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 269.7 µg/L

1/23/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

400 µg/L

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

1/21/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

340 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L

1/21/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

350 µg/L

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

1/16/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

280 µg/L

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

1/16/2013

12 years ago

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

Contaminant Details

tebuconazole (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

terbacil (19)

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<2 µg/L

Below Reporting Level

12/9/2003

21 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<2 µg/L

Below Reporting Level

7/11/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<2 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<2 µg/L

Below Reporting Level

7/10/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<2 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<2 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<2 µg/L

Below Reporting Level

7/9/2003

22 years ago

WELL 26 01S/08-15G01 S

WELL 26 ℹ️

<2 µg/L

Below Reporting Level

3/7/2003

22 years ago

WELL 28 3610029-034

WELL 28 ℹ️

<2 µg/L

Below Reporting Level

2/19/2003

22 years ago

WELL 10 01S/08W-14N01

WELL 10 ℹ️

<2 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 20 01S/08W-15Q03

WELL 20 ℹ️

<2 µg/L

Below Reporting Level

2/5/2003

22 years ago

WELL 04 - INACTIVE 01S/08W-14A03

WELL 04 - INACTIVE ℹ️

<2 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 19 01S/08W-15P06

WELL 19 ℹ️

<2 µg/L

Below Reporting Level

2/3/2003

22 years ago

WELL 05 01S/08W-14D01

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 06 01S/08W-15H01

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 11 01S/08W-15J01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

WELL 27 01S/08W-13C01 S

WELL 27 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

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

Contaminant Details

total microcystins (32)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

7/28/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

7/28/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

7/28/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

7/28/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

7/14/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

7/14/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

7/14/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

7/14/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

6/23/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

6/23/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

6/23/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

6/23/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

6/9/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

6/9/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

6/9/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

6/9/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

5/26/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

5/26/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

5/26/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

5/26/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

5/12/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

5/12/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

5/12/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

5/12/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

4/29/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

4/29/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

4/29/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

4/29/2020

5 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.3 µg/L

Below Reporting Level

4/15/2020

5 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

4/15/2020

5 years ago

Upland Connection

Plant 18 ℹ️

<0.3 µg/L

Below Reporting Level

4/15/2020

5 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.3 µg/L

Below Reporting Level

4/15/2020

5 years ago

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

Contaminant Details

Total Permethrin (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.04 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.04 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.04 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.04 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.04 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.04 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.04 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.04 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

tribufos (24)

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

Upland Connection

Plant 18 ℹ️

<0.07 µg/L

Below Reporting Level

4/1/2019

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.07 µg/L

Below Reporting Level

3/29/2019

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

3/29/2019

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

3/29/2019

6 years ago

Well 5 Treated

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

12/28/2018

6 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

<0.07 µg/L

Below Reporting Level

12/28/2018

6 years ago

Well 31 Treated

Well 31 ℹ️

<0.07 µg/L

Below Reporting Level

12/28/2018

6 years ago

WFA to Zone 1

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

12/28/2018

6 years ago

Upland Connection

Plant 18 ℹ️

<0.07 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

<0.07 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

<0.07 µg/L

Below Reporting Level

12/28/2018

6 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

<0.07 µg/L

Below Reporting Level

12/28/2018

6 years ago

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

Contaminant Details

vanadium (36)

Well 31 Treated

Well 31 ℹ️

7.7 µg/L

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

7/17/2014

11 years ago

5565 Palo Verde

Distribution System ℹ️

7.2 µg/L

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

7/15/2014

11 years ago

Well 31 Treated

Well 31 ℹ️

6.2 µg/L

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

1/15/2014

11 years ago

4672 Highland

Zone 1 DSMRT ℹ️

5.8 µg/L

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

1/6/2014

11 years ago

WFA to Zone 1

Plant 4 ℹ️

5.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.2 µg/L

1/6/2014

11 years ago

Upland Connection

Plant 18 ℹ️

4.6 µg/L

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

10/31/2013

12 years ago

5565 Palo Verde

Distribution System ℹ️

4.5 µg/L

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

10/31/2013

12 years ago

East End & County Road

Distribution System ℹ️

6.1 µg/L

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

10/10/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.2 µg/L

10/10/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

4.6 µg/L

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

10/9/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

4.6 µg/L

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

10/9/2013

12 years ago

12168 Ramona

Distribution System ℹ️

5.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.9 µg/L

10/7/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

4.5 µg/L

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

10/7/2013

12 years ago

12168 Ramona

Distribution System ℹ️

3 µg/L

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

7/25/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

7.2 µg/L

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

7/24/2013

12 years ago

East End & County Road

Distribution System ℹ️

5.5 µg/L

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

7/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

4.9 µg/L

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

7/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

4.2 µg/L

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

7/17/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

12 µg/L

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

7/15/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

7.8 µg/L

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

7/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

4.8 µg/L

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

7/11/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

4.6 µg/L

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

7/11/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

5.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.9 µg/L

7/8/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

5.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.9 µg/L

7/8/2013

12 years ago

East End & County Road

Distribution System ℹ️

4.5 µg/L

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

4/17/2013

12 years ago

EP #26 - Plant #4 Treated

Plant 4 ℹ️

4.2 µg/L

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

4/17/2013

12 years ago

Plant 1 Effluent

Plant 1 (Wells 30, 32 & 33) ℹ️

4.1 µg/L

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

4/15/2013

12 years ago

12168 Ramona

Distribution System ℹ️

4 µg/L

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

4/15/2013

12 years ago

4672 Highland

Zone 1 DSMRT ℹ️

4 µg/L

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

4/15/2013

12 years ago

WFA to Zone 1

Plant 4 ℹ️

3.9 µg/L

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

4/15/2013

12 years ago

East End & County Road

Distribution System ℹ️

6.2 µg/L

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

1/23/2013

12 years ago

EP #28 - Well 26 Treated

Well 26 ℹ️

5.8 µg/L

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

1/23/2013

12 years ago

5460 Brooks

Distribution System - GW ℹ️

6.9 µg/L

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

1/21/2013

12 years ago

Well 5 Treated

Well 5 ℹ️

4.5 µg/L

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

1/21/2013

12 years ago

3041 Riverside Terrace

Distribution System - GW ℹ️

11 µg/L

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

1/16/2013

12 years ago

EP #27 - Plant 17 Treated

Plant 17 ℹ️

8.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 8.1 µg/L

1/16/2013

12 years ago

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

Contaminant Details

Sampling Facilities

Well 5
Ground Water (GW)

Well 5 TreatedEntry Point to the Distribution System (EP)

Plant 1 (Wells 30, 32 & 33)
Multiple Sources (MX)

Plant 1 EffluentEntry Point to the Distribution System (EP)

Well 31
Ground Water (GW)

Well 31 TreatedEntry Point to the Distribution System (EP)

Plant 4
Surface Water (SW)

WFA to Zone 1Entry Point to the Distribution System (EP)

Plant 18
Multiple Sources (MX)

Upland ConnectionEntry Point to the Distribution System (EP)

Ramona Avenue Blend
Multiple Sources (MX)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Well 28
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Well 26
Ground Water (GW)

EP #28 - Well 26 TreatedEntry Point to the Distribution System (EP)

Plant 17
Ground Water (GW)

EP #27 - Plant 17 TreatedEntry Point to the Distribution System (EP)

Plant 4
Multiple Sources (MX)

EP #26 - Plant #4 TreatedEntry Point to the Distribution System (EP)

Distribution System
Multiple Sources (MX)

5501 Arrow HighwayDistribution System (DS)

5516 ArmsleyDistribution System (DS)

4672 HighlandDistribution System (DS)

9687 Bel AirDistribution System (DS)

5460 BrooksDistribution System (DS)

3656 RiversideDistribution System (DS)

11600 BensonDistribution System (DS)

4586 Bonnie BraeDistribution System (DS)

12168 RamonaMaximum Residence Time (MR)

East End & County RoadMaximum Residence Time (MR)

5565 Palo VerdeMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

5460 BrooksMaximum Residence Time (MR)

3041 Riverside TerraceMaximum Residence Time (MR)

Zone 1 DSMRT
Surface Water (SW)

4672 HighlandMaximum Residence Time (MR)

EP- #035 WELL 28 - TREATED
Ground Water (GW)

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

WELL 04 - INACTIVE
Ground Water (GW)

WELL 04 - INACTIVE 01S/08W-14A03SR (SR)

WELL 05
Ground Water (GW)

WELL 05 01S/08W-14D01SR (SR)

WELL 06
Ground Water (GW)

WELL 06 01S/08W-15H01SR (SR)

WELL 6 POE - PLANT 17 BLENDING FACILITYEntry Point to the Distribution System (EP)

WELL 10
Ground Water (GW)

WELL 10 01S/08W-14N01SR (SR)

WELL 11
Ground Water (GW)

WELL 11 01S/08W-15J01SR (SR)

WELL 19
Ground Water (GW)

WELL 19 01S/08W-15P06SR (SR)

WELL 20
Ground Water (GW)

WELL 20 01S/08W-15Q03SR (SR)

WELL 26
Ground Water (GW)

WELL 26 01S/08-15G01 SSR (SR)

WELL 27
Ground Water (GW)

WELL 27 01S/08W-13C01 SSR (SR)

WELL 27 POE - PLANT 4 BLENDING FACILITYEntry Point to the Distribution System (EP)

WELL 28
Surface Water (SW)

WELL 28 3610029-034SR (SR)

FAQ

Is Monte Vista Co. Water District tap water safe to drink?

When was Monte Vista Co. Water District last tested for water contamination?

The latest water samples were taken on June 10th, 2025.