Suburban Waters - San Jose (CA) Water Quality

Suburban Waters - San Jose is a large public water system in EPA region 9 that provides tap water for the 91723, 91745, 91789 - 91792 zip codes. It has 27 facilities where the water supply was tested for 97 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 10.51 µg/L. The maximum reported level of Manganese was 42 µg/L. There were 2 contamintants found in the Suburban Waters - San Jose water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (22)
1,2,3-trichloropropane (22)
1,2-diphenylhydrazine (2)
1,3-butadiene (22)
1,4-dioxane (22)
1-butanol (20)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (10)
17-alpha-ethynylestradiol (22)
17-beta-estradiol (22)
1H,1H,2H,2H-perfluorodecane sulfonic acid (10)
1H,1H,2H,2H-perfluorohexane sulfonic acid (10)
1H,1H,2H,2H-perfluorooctane sulfonic acid (10)
2,4,6-trichlorophenol (2)
2,4-dichlorophenol (2)
2,4-dinitrophenol (2)
2,4-dinitrotoluene (2)
2,6-dinitrotoluene (2)
2-methoxyethanol (20)
2-methyl-phenol (2)
2-propen-1-ol (Allyl Alcohol) (20)
4,4'-dichloro dichlorophenyl ethylene (DDE) (2)
4,8-dioxa-3H-perfluorononanoic acid (10)
4-androstene-3,17-dione (22)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (10)
alpha-hexachlorocyclohexane (20)
anatoxin-a (24)
bromochloromethane (Halon 1011) (22)
bromomethane (22)
Butylated Hydroxyanisole (20)
chlorate (38)
chlorodifluoromethane (HCFC-22) (22)
chloromethane (22)
chlorpyrifos (20)
chromium (38)
chromium-6 (38)
cobalt (38)
cylindrospermopsin (24)
diazinon (2)
dimethipin (20)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (2)
diuron (2)
equilin (22)
estriol (22)
estrone (22)
ethoprop (20)
fonofos (2)
Germanium (20)
HAA5 (five regulated haloacetic acids) (32)
HAA6Br (six brominated haloacetic acids) (32)
HAA9 (nine haloacetic acids) (32)
hexafluoropropylene oxide dimer acid (GenX) (10)
linuron (2)
lithium (10)
Manganese (20)
methyl-tertiary-butyl-ether (MTBE) (2)
molinate (2)
molybdenum (38)
N-ethyl perfluorooctanesulfonamidoacetic acid (10)
N-methyl perfluorooctanesulfonamidoacetic acid (10)
nitrobenzene (2)
nitrobenzene (2)
nonafluoro-3,6-dioxaheptanoic acid (10)
o-toluidine (20)
oxyfluorfen (20)
perchlorate (3)
perfluoro(2-ethoxyethane)sulfonic acid (10)
perfluoro-3-methoxypropanoic acid (10)
perfluoro-4-methoxybutanoic acid (10)
perfluorobutanesulfonic acid (32)
perfluorobutanoic acid (10)
perfluorodecanoic acid (10)
perfluorododecanoic acid (10)
perfluoroheptanesulfonic acid (10)
perfluoroheptanoic acid (32)
perfluorohexanesulfonic acid (32)
perfluorohexanoic acid (10)
perfluorononanoic acid (32)
perfluorooctanesulfonic acid (32)
perfluorooctanoic acid (32)
perfluoropentanesulfonic acid (10)
perfluoropentanoic acid (10)
perfluorotetradecanoic acid (10)
perfluorotridecanoic acid (10)
perfluoroundecanoic acid (10)
profenofos (20)
prometon (2)
quinoline (20)
s-ethyl-dipropylthiocarbamate (EPTC) (2)
strontium (38)
tebuconazole (20)
terbacil (2)
terbufos (2)
testosterone (22)
total microcystins (24)
Total Permethrin (20)
tribufos (20)
vanadium (38)

1,1-dichloroethane (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

4/14/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

0.12 µg/L

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

1/21/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

7/18/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

0.13 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.1 µg/L

7/17/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

1,2,3-trichloropropane (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

1,2-diphenylhydrazine (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

1,3-butadiene (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.1 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.1 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.1 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.1 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.1 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.1 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.1 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.1 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.1 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.1 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.1 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.1 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.1 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.1 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.1 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.1 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.1 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

1,4-dioxane (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.079 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.009 µg/L

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

0.15 µg/L

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

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

4/14/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

0.11 µg/L

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

1/21/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.07 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.07 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.07 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.07 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.07 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.07 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

0.087 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.017 µg/L

7/18/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

0.15 µg/L

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

7/17/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

0.11 µg/L

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

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

1-butanol (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<2 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<2 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<2 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<2 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<2 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<2 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<2 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<2 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<2 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<2 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<2 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<2 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<2 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<2 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<2 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<2 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<2 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<2 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<2 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<2 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

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

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

17-alpha-ethynylestradiol (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0009 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0009 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0009 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0009 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0009 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0009 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0009 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0009 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0009 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0009 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0009 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0009 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0009 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0009 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0009 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0009 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0009 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0009 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0009 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0009 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0009 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0009 µg/L

Below Reporting Level

7/17/2013

12 years ago

Minimum Reporting Level: 0.0009 µg/L
Reference Level: ?

Contaminant Details

17-beta-estradiol (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0004 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0004 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0004 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0004 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0004 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0004 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0004 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0004 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0004 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0004 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0004 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0004 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0004 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0004 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0004 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0004 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0004 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0004 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0004 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0004 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0004 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0004 µg/L

Below Reporting Level

7/17/2013

12 years ago

Minimum Reporting Level: 0.0004 µg/L
Reference Level: ?

Contaminant Details

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

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

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

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

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

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

2,4,6-trichlorophenol (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

2,4-dichlorophenol (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

2,4-dinitrophenol (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<5 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<5 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

2,4-dinitrotoluene (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<2 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<2 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

2,6-dinitrotoluene (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<2 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<2 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

2-methoxyethanol (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.4 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.4 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.4 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.4 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.4 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.4 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.4 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.4 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.4 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.4 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.4 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.4 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.4 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.4 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.4 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.4 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.4 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.4 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.4 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.4 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

2-methyl-phenol (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.5 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.5 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.5 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.5 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.5 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.5 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.5 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.5 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.5 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.5 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.5 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.5 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.5 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.5 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.5 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.5 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.5 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.5 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.5 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.5 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.8 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.8 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

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

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

4-androstene-3,17-dione (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0003 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0003 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0003 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0003 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0003 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0003 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0003 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0003 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0003 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0003 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0003 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0003 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0003 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0003 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0003 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0003 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0003 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0003 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0003 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0003 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0003 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0003 µg/L

Below Reporting Level

7/17/2013

12 years ago

Minimum Reporting Level: 0.0003 µg/L
Reference Level: ?

Contaminant Details

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

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.002 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.002 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.01 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.01 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.01 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.01 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.01 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.01 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.01 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.01 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

anatoxin-a (24)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/17/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/17/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

10/17/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

9/18/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

9/18/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

9/4/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

9/4/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

9/4/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

8/8/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

8/8/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

8/8/2019

6 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.06 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.06 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.06 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.06 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.06 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.06 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.06 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.06 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.06 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.06 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.06 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.06 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.06 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.06 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.06 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

0.12 µg/L

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

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.06 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.06 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.06 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.06 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.06 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.06 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

bromomethane (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

Butylated Hydroxyanisole (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

1/10/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

0.053 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.023 µg/L

11/15/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

chlorate (38)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

190 µg/L

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

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

260 µg/L

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

9/25/2014

10 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

120 µg/L

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

4/16/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

120 µg/L

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

4/16/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

63 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 43 µg/L

4/16/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

47 µg/L

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

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

62 µg/L

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

4/14/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

51 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 31 µg/L

1/22/2014

11 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

48 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 28 µg/L

1/22/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

38 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 18 µg/L

1/22/2014

11 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

34 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 14 µg/L

1/22/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

34 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 14 µg/L

1/22/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

120 µg/L

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

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

84 µg/L

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

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

47 µg/L

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

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

36 µg/L

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

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

31 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 11 µg/L

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

20 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 0 µg/L

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<20 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

220 µg/L

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

10/29/2013

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

70 µg/L

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

10/24/2013

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

68 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 48 µg/L

10/24/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

60 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 40 µg/L

10/24/2013

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

58 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 38 µg/L

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

55 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 35 µg/L

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L

7/25/2013

12 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

170 µg/L

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

7/18/2013

12 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

110 µg/L

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

7/18/2013

12 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

66 µg/L

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

7/18/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

56 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 36 µg/L

7/18/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

200 µg/L

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

7/17/2013

12 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

180 µg/L

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

7/17/2013

12 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

170 µg/L

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

7/17/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

160 µg/L

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

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

110 µg/L

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

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

71 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 51 µg/L

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

66 µg/L

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

7/17/2013

12 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.08 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.08 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.08 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.08 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.08 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.08 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.08 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.08 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.08 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.08 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.08 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.08 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.08 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.08 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.08 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.08 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.08 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

chloromethane (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

chlorpyrifos (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

chromium (38)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.9 µg/L

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

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.95 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.75 µg/L

9/25/2014

10 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

5.2 µg/L

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

4/16/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

5 µg/L

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

4/16/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

4/16/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

4/14/2014

11 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

5.5 µg/L

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

1/22/2014

11 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

4.8 µg/L

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

1/22/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

4.4 µg/L

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

1/22/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

1/22/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

<0.2 µg/L

Below Reporting Level

1/22/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

8.6 µg/L

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

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

6.7 µg/L

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

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

6.3 µg/L

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

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

5.8 µg/L

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

1/21/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

2.4 µg/L

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

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.47 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.27 µg/L

10/29/2013

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

3.7 µg/L

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

10/24/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

10/24/2013

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

10/24/2013

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

<0.2 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.44 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.24 µg/L

7/25/2013

12 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

4.1 µg/L

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

7/18/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

7/18/2013

12 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

7/18/2013

12 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

<0.2 µg/L

Below Reporting Level

7/18/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

8.7 µg/L

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

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

6.8 µg/L

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

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

5.9 µg/L

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

7/17/2013

12 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

4.8 µg/L

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

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

4.6 µg/L

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

7/17/2013

12 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

4 µg/L

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

7/17/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

2.3 µg/L

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

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

chromium-6 (38)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.86 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.83 µg/L

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.73 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.7 µg/L

9/25/2014

10 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

5.7 µg/L

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

4/16/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

5.6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.57 µg/L

4/16/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

0.073 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.043 µg/L

4/16/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

0.037 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.007 µg/L

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

0.037 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.007 µg/L

4/14/2014

11 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

7.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 7.07 µg/L

1/22/2014

11 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

6.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 6.37 µg/L

1/22/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

5.7 µg/L

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

1/22/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

0.29 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.26 µg/L

1/22/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

0.04 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.01 µg/L

1/22/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 10.97 µg/L

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

8.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 8.87 µg/L

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

8.2 µg/L

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

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

7.6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 7.57 µg/L

1/21/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

3.1 µg/L

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

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

0.034 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.004 µg/L

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

0.046 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.016 µg/L

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.63 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.6 µg/L

10/29/2013

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

4.4 µg/L

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

10/24/2013

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

0.085 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.055 µg/L

10/24/2013

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

0.064 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.034 µg/L

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

0.058 µg/L

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

10/24/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

0.05 µg/L

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

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.46 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.43 µg/L

7/25/2013

12 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

4.1 µg/L

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

7/18/2013

12 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

0.096 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.066 µg/L

7/18/2013

12 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

0.069 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.039 µg/L

7/18/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

0.052 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.022 µg/L

7/18/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

8.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 8.87 µg/L

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

7.5 µg/L

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

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

6.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 6.27 µg/L

7/17/2013

12 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

5.1 µg/L

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

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.97 µg/L

7/17/2013

12 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

4.3 µg/L

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

7/17/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

2.6 µg/L

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

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

0.057 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.027 µg/L

7/17/2013

12 years ago

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

Contaminant Details

cobalt (38)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<1 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<1 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<1 µg/L

Below Reporting Level

4/16/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

4/16/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

4/16/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

<1 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<1 µg/L

Below Reporting Level

4/14/2014

11 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

1/22/2014

11 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

1/22/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

1/22/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

1/22/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

<1 µg/L

Below Reporting Level

1/22/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<1 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<1 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<1 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<1 µg/L

Below Reporting Level

10/24/2013

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

10/24/2013

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

10/24/2013

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

<1 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<1 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<1 µg/L

Below Reporting Level

7/18/2013

12 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

7/18/2013

12 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

7/18/2013

12 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

<1 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

cylindrospermopsin (24)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

11/6/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

11/6/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

11/6/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

10/17/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

10/17/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

10/17/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

9/20/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

9/18/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

9/18/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

9/4/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

9/4/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

9/4/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

8/8/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

8/8/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

8/8/2019

6 years ago

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

Contaminant Details

diazinon (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

dimethipin (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.2 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

11/27/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

diuron (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

equilin (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.004 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.004 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.004 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.004 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

estriol (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0008 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0008 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0008 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0008 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0008 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0008 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0008 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0008 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0008 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0008 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0008 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0008 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0008 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0008 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0008 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0008 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0008 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0008 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0008 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0008 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0008 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0008 µg/L

Below Reporting Level

7/17/2013

12 years ago

Minimum Reporting Level: 0.0008 µg/L
Reference Level: ?

Contaminant Details

estrone (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.002 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.002 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.002 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.002 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.002 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.002 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.002 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.002 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.002 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.002 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.002 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.002 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.002 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

ethoprop (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

fonofos (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

Germanium (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.3 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (32)

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

4.26 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

4.24 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

2.9 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

1520 Amar Rd

DBP Site 1 ℹ️

1.75 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

1.68 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

1.43 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

1.39 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

1.31 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

4.5 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

1520 Amar Rd

DBP Site 1 ℹ️

3.5 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

3.2 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

3.1 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

3 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

3 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

2.75 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

2.6 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

10.51 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

9.96 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

9.13 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

6.98 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

6.41 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

1520 Amar Rd

DBP Site 1 ℹ️

5.22 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

4.9 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

4.37 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

8.7 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

1520 Amar Rd

DBP Site 1 ℹ️

6.8 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

4.52 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

3.46 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

2.6 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

1.54 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

0.93 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

0.53 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (32)

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

4.24 µg/L

2/6/2020

5 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

3.45 µg/L

2/6/2020

5 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

3.33 µg/L

2/6/2020

5 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

2.42 µg/L

2/6/2020

5 years ago

1520 Amar Rd

DBP Site 1 ℹ️

2.19 µg/L

2/6/2020

5 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

1.87 µg/L

2/6/2020

5 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

1.66 µg/L

2/6/2020

5 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

1.22 µg/L

2/6/2020

5 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

5.85 µg/L

11/15/2019

5 years ago

1520 Amar Rd

DBP Site 1 ℹ️

4.72 µg/L

11/15/2019

5 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

3.74 µg/L

11/15/2019

5 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

3.68 µg/L

11/15/2019

5 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

3.62 µg/L

11/15/2019

5 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

3.43 µg/L

11/15/2019

5 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

3.37 µg/L

11/15/2019

5 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

3.31 µg/L

11/15/2019

5 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

5.89 µg/L

8/23/2019

6 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

5.77 µg/L

8/23/2019

6 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

5.28 µg/L

8/23/2019

6 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

4.31 µg/L

8/23/2019

6 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

4.09 µg/L

8/23/2019

6 years ago

1520 Amar Rd

DBP Site 1 ℹ️

4.08 µg/L

8/23/2019

6 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

4 µg/L

8/23/2019

6 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

3.86 µg/L

8/23/2019

6 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

9.5 µg/L

5/29/2019

6 years ago

1520 Amar Rd

DBP Site 1 ℹ️

7.23 µg/L

5/29/2019

6 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

4.98 µg/L

5/29/2019

6 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

3.99 µg/L

5/29/2019

6 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

3.05 µg/L

5/29/2019

6 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

1.89 µg/L

5/29/2019

6 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

1.25 µg/L

5/29/2019

6 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

1.18 µg/L

5/29/2019

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (32)

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

6.21 µg/L

2/6/2020

5 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

6.07 µg/L

2/6/2020

5 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

5.34 µg/L

2/6/2020

5 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

2.93 µg/L

2/6/2020

5 years ago

1520 Amar Rd

DBP Site 1 ℹ️

2.84 µg/L

2/6/2020

5 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

2.75 µg/L

2/6/2020

5 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

2.1 µg/L

2/6/2020

5 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

2.05 µg/L

2/6/2020

5 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

8.25 µg/L

11/15/2019

5 years ago

1520 Amar Rd

DBP Site 1 ℹ️

6.12 µg/L

11/15/2019

5 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

5.24 µg/L

11/15/2019

5 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

5.12 µg/L

11/15/2019

5 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

5.08 µg/L

11/15/2019

5 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

4.81 µg/L

11/15/2019

5 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

4.47 µg/L

11/15/2019

5 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

4.38 µg/L

11/15/2019

5 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

15.59 µg/L

8/23/2019

6 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

14.87 µg/L

8/23/2019

6 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

13.58 µg/L

8/23/2019

6 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

10.39 µg/L

8/23/2019

6 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

9.91 µg/L

8/23/2019

6 years ago

1520 Amar Rd

DBP Site 1 ℹ️

8.48 µg/L

8/23/2019

6 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

8.1 µg/L

8/23/2019

6 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

7.46 µg/L

8/23/2019

6 years ago

19527 Vista Hermosa Dr

STAGE 2 DBP SITE 3 ℹ️

15.4 µg/L

5/29/2019

6 years ago

1520 Amar Rd

DBP Site 1 ℹ️

11.73 µg/L

5/29/2019

6 years ago

1620 Green Ridge Terrace

STAGE 2 DBP SITE 2 ℹ️

7.44 µg/L

5/29/2019

6 years ago

18995 Lynridge Dr

STAGE 2 DBP SITE 6 ℹ️

6.59 µg/L

5/29/2019

6 years ago

1428 S Alpine Dr

STAGE 2 DBP SITE 5 ℹ️

4.25 µg/L

5/29/2019

6 years ago

1033 S Dancove Dr

STAGE 2 DBP SITE 4 ℹ️

2.51 µg/L

5/29/2019

6 years ago

2905 Far View Lane

STAGE 2 DBP SITE 8 ℹ️

1.69 µg/L

5/29/2019

6 years ago

2310 E Walnut Creek Parkway

STAGE 2 DBP SITE 7 ℹ️

1.18 µg/L

5/29/2019

6 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

linuron (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

lithium (10)

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

39 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 30 µg/L

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

37 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 28 µg/L

10/15/2024

11 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<9 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

44 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 35 µg/L

7/23/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

48 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 39 µg/L

7/18/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<9 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<9 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<9 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<9 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<9 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

Manganese (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.4 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.4 µg/L

Below Reporting Level

3/25/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

9.5 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

1.5 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.47 µg/L

Meets Reporting Threshold

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.4 µg/L

Below Reporting Level

1/10/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

42 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

3.1 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.89 µg/L

Meets Reporting Threshold

11/15/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.4 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.4 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

4.5 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

3.7 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

1.6 µg/L

Meets Reporting Threshold

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

5 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

3.5 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

0.43 µg/L

Meets Reporting Threshold

5/29/2019

6 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.4 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.4 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.4 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<5 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<5 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

molinate (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.9 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.9 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

molybdenum (38)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

2.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.7 µg/L

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

2.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.7 µg/L

9/25/2014

10 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

4 µg/L

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

4/16/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

3.9 µg/L

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

4/16/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

3.9 µg/L

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

4/16/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

3.9 µg/L

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

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.1 µg/L

4/14/2014

11 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

7.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.7 µg/L

1/22/2014

11 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

6.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.1 µg/L

1/22/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

5.8 µg/L

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

1/22/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

4.8 µg/L

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

1/22/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

4.7 µg/L

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

1/22/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

23 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 22 µg/L

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

6.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.8 µg/L

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

6.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.5 µg/L

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

6.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.1 µg/L

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

4.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.6 µg/L

1/21/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

4.4 µg/L

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

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

4.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.9 µg/L

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

2.6 µg/L

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

10/29/2013

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

5.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.1 µg/L

10/24/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

4.2 µg/L

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

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.1 µg/L

10/24/2013

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

3.9 µg/L

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

10/24/2013

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.8 µg/L

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

2.4 µg/L

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

7/25/2013

12 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

7.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.4 µg/L

7/18/2013

12 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

4 µg/L

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

7/18/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

3.9 µg/L

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

7/18/2013

12 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.8 µg/L

7/18/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

24 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 23 µg/L

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

6.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.6 µg/L

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

5.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.9 µg/L

7/17/2013

12 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

4.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.6 µg/L

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

4.4 µg/L

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

7/17/2013

12 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

4.3 µg/L

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

7/17/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

4.2 µg/L

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

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.1 µg/L

7/17/2013

12 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.006 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.006 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.006 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.006 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.006 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.006 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.006 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.006 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.006 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.006 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

nitrobenzene (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

nitrobenzene (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<10 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<10 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.02 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.02 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.02 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

o-toluidine (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.007 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.007 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.007 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.007 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.007 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.007 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.007 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.007 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

oxyfluorfen (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.05 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.05 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.05 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.05 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.05 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.05 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.05 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.05 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.05 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.05 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.05 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.05 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.05 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.05 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.05 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.05 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.05 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.05 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.05 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.05 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

perchlorate (3)

147-W3 01S/10W-31G09

147-W3 ℹ️

<4 µg/L

Below Reporting Level

8/26/2004

21 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

7.2 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 3.2 µg/L

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<4 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (32)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

0.0036 µg/L

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

7/18/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.09 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.09 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.09 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.09 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.09 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.09 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

perfluorobutanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.005 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

0.0062 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0012 µg/L

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.005 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluorodecanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluorododecanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluoroheptanoic acid (32)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.01 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.01 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.01 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.01 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.01 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.01 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (32)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.03 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

perfluorohexanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

0.0033 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0003 µg/L

7/18/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluorononanoic acid (32)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (32)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.04 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.04 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.04 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.04 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.04 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.04 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

perfluorooctanoic acid (32)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.02 µg/L

Below Reporting Level

7/17/2013

12 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.004 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.004 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluoropentanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.003 µg/L

Below Reporting Level

7/23/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

0.0035 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0005 µg/L

7/18/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.003 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluorotetradecanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.008 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.008 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.008 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.008 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.008 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.008 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.008 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.008 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.008 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.008 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluorotridecanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.007 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.007 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.007 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.007 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.007 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.007 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.007 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

perfluoroundecanoic acid (10)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

10/15/2024

11 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.002 µg/L

Below Reporting Level

10/15/2024

11 months ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.002 µg/L

Below Reporting Level

7/23/2024

14 months ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

CIC Groundwater Connection

Plant 171 ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.002 µg/L

Below Reporting Level

7/18/2024

14 months ago

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

Contaminant Details

profenofos (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.3 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

prometon (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

quinoline (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.02 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.02 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.02 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.02 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.02 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<1 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

strontium (38)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

510 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 509.7 µg/L

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

490 µg/L

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

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

920 µg/L

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

4/16/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

910 µg/L

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

4/16/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

450 µg/L

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

4/16/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

19 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 18.7 µg/L

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

950 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 949.7 µg/L

4/14/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

890 µg/L

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

1/22/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

890 µg/L

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

1/22/2014

11 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

400 µg/L

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

1/22/2014

11 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

260 µg/L

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

1/22/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.8 µg/L

1/22/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

920 µg/L

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

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

300 µg/L

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

1/21/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

270 µg/L

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

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

270 µg/L

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

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

250 µg/L

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

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

250 µg/L

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

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

990 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 989.7 µg/L

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

450 µg/L

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

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

900 µg/L

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

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

870 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 869.7 µg/L

10/24/2013

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

810 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 809.7 µg/L

10/24/2013

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

780 µg/L

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

10/24/2013

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1.9 µg/L

10/24/2013

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

270 µg/L

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

10/22/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

490 µg/L

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

7/25/2013

12 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

830 µg/L

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

7/18/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

820 µg/L

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

7/18/2013

12 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

800 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 799.7 µg/L

7/18/2013

12 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

320 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 319.7 µg/L

7/18/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

810 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 809.7 µg/L

7/17/2013

12 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

450 µg/L

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

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

410 µg/L

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

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

310 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 309.7 µg/L

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

250 µg/L

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

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

250 µg/L

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

7/17/2013

12 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1.2 µg/L

7/17/2013

12 years ago

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

Contaminant Details

tebuconazole (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.2 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.2 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

terbacil (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<2 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<2 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

terbufos (2)

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

10/21/2002

22 years ago

147-W3 01S/10W-31G09

147-W3 ℹ️

<0.5 µg/L

Below Reporting Level

5/21/2002

23 years ago

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

Contaminant Details

testosterone (22)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0001 µg/L

Below Reporting Level

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0001 µg/L

Below Reporting Level

9/25/2014

10 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0001 µg/L

Below Reporting Level

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0001 µg/L

Below Reporting Level

4/14/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0001 µg/L

Below Reporting Level

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0001 µg/L

Below Reporting Level

1/21/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0001 µg/L

Below Reporting Level

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0001 µg/L

Below Reporting Level

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0001 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0001 µg/L

Below Reporting Level

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0001 µg/L

Below Reporting Level

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0001 µg/L

Below Reporting Level

10/29/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0001 µg/L

Below Reporting Level

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0001 µg/L

Below Reporting Level

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.0001 µg/L

Below Reporting Level

7/25/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.0001 µg/L

Below Reporting Level

7/18/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.0001 µg/L

Below Reporting Level

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

<0.0001 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.0001 µg/L

Below Reporting Level

7/17/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.0001 µg/L

Below Reporting Level

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.0001 µg/L

Below Reporting Level

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.0001 µg/L

Below Reporting Level

7/17/2013

12 years ago

Minimum Reporting Level: 0.0001 µg/L
Reference Level: ?

Contaminant Details

total microcystins (24)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

10/17/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

10/17/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

10/17/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

9/20/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

9/18/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

9/18/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

9/4/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

9/4/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

9/4/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

8/23/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

8/23/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

8/8/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.3 µg/L

Below Reporting Level

8/8/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.3 µg/L

Below Reporting Level

8/8/2019

6 years ago

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

Contaminant Details

Total Permethrin (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.04 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.04 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.04 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.04 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.04 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.04 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.04 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.04 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.04 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.04 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

tribufos (20)

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.07 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.07 µg/L

Below Reporting Level

3/25/2020

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

2/6/2020

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.07 µg/L

Below Reporting Level

2/6/2020

5 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

<0.07 µg/L

Below Reporting Level

1/10/2020

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.07 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

11/15/2019

5 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.07 µg/L

Below Reporting Level

11/15/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.07 µg/L

Below Reporting Level

11/15/2019

5 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

10/3/2019

5 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.07 µg/L

Below Reporting Level

10/3/2019

5 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

<0.07 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

5/29/2019

6 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

<0.07 µg/L

Below Reporting Level

5/29/2019

6 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

<0.07 µg/L

Below Reporting Level

5/29/2019

6 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

<0.07 µg/L

Below Reporting Level

5/29/2019

6 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

<0.07 µg/L

Below Reporting Level

5/29/2019

6 years ago

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

Contaminant Details

vanadium (38)

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

3.1 µg/L

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

12/4/2014

10 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

3.1 µg/L

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

9/25/2014

10 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

8.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.9 µg/L

4/16/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

7.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.4 µg/L

4/16/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

2.2 µg/L

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

4/16/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

2 µg/L

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

4/16/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

2.3 µg/L

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

4/14/2014

11 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 8.8 µg/L

1/22/2014

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

7.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.7 µg/L

1/22/2014

11 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

6.9 µg/L

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

1/22/2014

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

2.4 µg/L

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

1/22/2014

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

2.1 µg/L

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

1/22/2014

11 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.8 µg/L

1/21/2014

11 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.8 µg/L

1/21/2014

11 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.8 µg/L

1/21/2014

11 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

8.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 8.2 µg/L

1/21/2014

11 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

3.7 µg/L

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

1/21/2014

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

2 µg/L

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

1/21/2014

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

2.2 µg/L

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

1/17/2014

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

2.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.5 µg/L

10/29/2013

11 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

6.9 µg/L

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

10/24/2013

11 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

2.6 µg/L

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

10/24/2013

11 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

2.5 µg/L

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

10/24/2013

11 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

2.5 µg/L

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

10/24/2013

11 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

2.4 µg/L

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

10/24/2013

11 years ago

Plant 118 - Covina Irrigating

Plant 118 (Covina Irrigating Intertie) ℹ️

2.4 µg/L

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

7/25/2013

12 years ago

2604 Gorona Dr., Hacienda Heights

Distribution System - GW ℹ️

5.6 µg/L

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

7/18/2013

12 years ago

19527 Vista Hermosa

Distribution System - SW ℹ️

2.6 µg/L

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

7/18/2013

12 years ago

1520 Amar Rd.

Distribution System - MX ℹ️

2.5 µg/L

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

7/18/2013

12 years ago

EPTDS from MWD - Amar & Grand

WVWD Intertie (Amar & Grand) ℹ️

2.2 µg/L

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

7/18/2013

12 years ago

142 W-2 Post Chlorination

142 W-2 -Chlorination ℹ️

11 µg/L

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

7/17/2013

12 years ago

151 W-2 Post Chlorination

151 W-2 Chlorination ℹ️

11 µg/L

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

7/17/2013

12 years ago

EP #62 - 147 W-3 Treated

147-W3 - Chlorination ℹ️

8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.8 µg/L

7/17/2013

12 years ago

Plant 121 - Booster Effluent

Plant 121 ℹ️

7.1 µg/L

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

7/17/2013

12 years ago

2310 Walnut Creek Parkway

Distribution System - GW ℹ️

6.9 µg/L

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

7/17/2013

12 years ago

1620 Green Ridge Ter.

Distribution System - SW ℹ️

6.3 µg/L

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

7/17/2013

12 years ago

Plant 128 - Reservoir 1

Plant 128 ℹ️

3.7 µg/L

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

7/17/2013

12 years ago

Plant 501-MWD

Plant 501 (MWD Intertie) ℹ️

2.4 µg/L

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

7/17/2013

12 years ago

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

Contaminant Details

Sampling Facilities

Plant 128
Ground Water (GW)

Plant 128 - Reservoir 1Entry Point to the Distribution System (EP)

Plant 128- Reservoir 1Entry Point to the Distribution System (EP)

Plant 118 (Covina Irrigating Intertie)
Surface Water (SW)

Plant 118 - Covina IrrigatingEntry Point to the Distribution System (EP)

Plant 118 - Covina Irrigating GroundwaterEntry Point to the Distribution System (EP)

Plant 501 (MWD Intertie)
Surface Water (SW)

Plant 501-MWDEntry Point to the Distribution System (EP)

MWD USG-4Entry Point to the Distribution System (EP)

142 W-2 -Chlorination
Ground Water (GW)

142 W-2 Post ChlorinationEntry Point to the Distribution System (EP)

Plant 171
Ground Water (GW)

CIC Groundwater ConnectionEntry Point to the Distribution System (EP)

WVWD Intertie (Amar & Grand)
Surface Water (SW)

EPTDS from MWD - Amar & GrandEntry Point to the Distribution System (EP)

WVWD Connection- Amar & Lemon (Surface Water)Entry Point to the Distribution System (EP)

Plant 121
Ground Water (GW)

Plant 121 - Booster EffluentEntry Point to the Distribution System (EP)

Plant 121- Booster EffluentEntry Point to the Distribution System (EP)

151 W-2 Chlorination
Ground Water (GW)

151 W-2 Post ChlorinationEntry Point to the Distribution System (EP)

DBP Site 1
Multiple Sources (MX)

1520 Amar RdDistribution System (DS)

STAGE 2 DBP SITE 2
Multiple Sources (MX)

1620 Green Ridge TerraceDistribution System (DS)

STAGE 2 DBP SITE 3
Multiple Sources (MX)

19527 Vista Hermosa DrDistribution System (DS)

STAGE 2 DBP SITE 4
Multiple Sources (MX)

1033 S Dancove DrDistribution System (DS)

STAGE 2 DBP SITE 5
Multiple Sources (MX)

1428 S Alpine DrDistribution System (DS)

STAGE 2 DBP SITE 6
Multiple Sources (MX)

18995 Lynridge DrDistribution System (DS)

STAGE 2 DBP SITE 7
Multiple Sources (MX)

2310 E Walnut Creek ParkwayDistribution System (DS)

STAGE 2 DBP SITE 8
Multiple Sources (MX)

2905 Far View LaneDistribution System (DS)

147-W3 - Chlorination
Ground Water (GW)

EP #62 - 147 W-3 TreatedEntry Point to the Distribution System (EP)

Distribution System - GW
Ground Water (GW)

2310 Walnut Creek ParkwayMaximum Residence Time (MR)

2604 Gorona Dr., Hacienda HeightsMaximum Residence Time (MR)

Distribution System - SW
Surface Water (SW)

1620 Green Ridge Ter.Maximum Residence Time (MR)

19527 Vista HermosaMaximum Residence Time (MR)

Distribution System - MX
Multiple Sources (MX)

1520 Amar Rd.Maximum Residence Time (MR)

EP- #063 140-W5 - CHLORINATION
Ground Water (GW)

140 W-5 Post ChlorinationEntry Point to the Distribution System (EP)

D/DBP Max. Residence Time-Site 1
Multiple Sources (MX)

2310 Walnut Creek ParkwayMaximum Residence Time (MR)

D/DBP Max Residence Time- Site 5
Multiple Sources (MX)

1520 Amar Rd.Maximum Residence Time (MR)

D/DBp Max Residence Time- Site 9
Multiple Sources (MX)

1620 Green Ridge Ter.Maximum Residence Time (MR)

Max/Res. Time - 2604 Gorona Dr.
Multiple Sources (MX)

2604 Gorona Dr., Hacienda HeightsMaximum Residence Time (MR)

Max/Res. - 19527 Vista Hermosa
Surface Water (SW)

19527 Vista Hermosa, WalnutMaximum Residence Time (MR)

147-W3
Ground Water (GW)

147-W3 01S/10W-31G09SR (SR)

FAQ

Is Suburban Waters - San Jose tap water safe to drink?

When was Suburban Waters - San Jose last tested for water contamination?

The latest water samples were taken on October 15th, 2024.