Azusa Light & Water (CA) Water Quality

Azusa Light & Water is a large public water system in EPA region 9 that provides tap water for the 91702, 91722, 91723, 91741, 91791 zip codes. It has 28 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 22.9 µg/L. The maximum reported level of Manganese was 4.5 µg/L. There were 2 contamintants found in the Azusa Light & Water water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (10)
1,2,3-trichloropropane (10)
1,3-butadiene (10)
1,4-dioxane (10)
1-butanol (12)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11)
17-alpha-ethynylestradiol (10)
17-beta-estradiol (10)
1H,1H,2H,2H-perfluorodecane sulfonic acid (11)
1H,1H,2H,2H-perfluorohexane sulfonic acid (11)
1H,1H,2H,2H-perfluorooctane sulfonic acid (11)
2,4-dinitrotoluene (14)
2,6-dinitrotoluene (14)
2-methoxyethanol (12)
2-propen-1-ol (Allyl Alcohol) (12)
4,4'-dichloro dichlorophenyl ethylene (DDE) (14)
4,8-dioxa-3H-perfluorononanoic acid (11)
4-androstene-3,17-dione (10)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (11)
alpha-hexachlorocyclohexane (12)
anatoxin-a (8)
bromochloromethane (Halon 1011) (10)
bromomethane (10)
Butylated Hydroxyanisole (12)
chlorate (16)
chlorodifluoromethane (HCFC-22) (10)
chloromethane (10)
chlorpyrifos (12)
chromium (16)
chromium-6 (16)
cobalt (16)
cylindrospermopsin (8)
dimethipin (12)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (14)
equilin (10)
estriol (10)
estrone (10)
ethoprop (12)
Germanium (12)
HAA5 (five regulated haloacetic acids) (32)
HAA6Br (six brominated haloacetic acids) (32)
HAA9 (nine haloacetic acids) (32)
hexafluoropropylene oxide dimer acid (GenX) (11)
lithium (11)
Manganese (12)
methyl-tertiary-butyl-ether (MTBE) (14)
molinate (14)
molybdenum (16)
N-ethyl perfluorooctanesulfonamidoacetic acid (11)
N-methyl perfluorooctanesulfonamidoacetic acid (11)
nitrobenzene (14)
nonafluoro-3,6-dioxaheptanoic acid (11)
o-toluidine (12)
oxyfluorfen (12)
perchlorate (14)
perfluoro(2-ethoxyethane)sulfonic acid (11)
perfluoro-3-methoxypropanoic acid (11)
perfluoro-4-methoxybutanoic acid (11)
perfluorobutanesulfonic acid (21)
perfluorobutanoic acid (11)
perfluorodecanoic acid (11)
perfluorododecanoic acid (11)
perfluoroheptanesulfonic acid (11)
perfluoroheptanoic acid (21)
perfluorohexanesulfonic acid (21)
perfluorohexanoic acid (11)
perfluorononanoic acid (21)
perfluorooctanesulfonic acid (21)
perfluorooctanoic acid (21)
perfluoropentanesulfonic acid (11)
perfluoropentanoic acid (11)
perfluorotetradecanoic acid (11)
perfluorotridecanoic acid (11)
perfluoroundecanoic acid (11)
profenofos (12)
quinoline (12)
s-ethyl-dipropylthiocarbamate (EPTC) (14)
strontium (16)
tebuconazole (12)
terbacil (14)
testosterone (10)
total microcystins (8)
Total Permethrin (12)
tribufos (12)
vanadium (16)

1,1-dichloroethane (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

1,2,3-trichloropropane (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

1,3-butadiene (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.1 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.1 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.1 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.1 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.1 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.1 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.1 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.1 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.1 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.1 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

1,4-dioxane (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.099 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.029 µg/L

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.07 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.07 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.07 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.07 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.07 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.07 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.07 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.07 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.07 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

1-butanol (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<2 µg/L

Below Reporting Level

3/23/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<2 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<2 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

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

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

17-alpha-ethynylestradiol (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0009 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0009 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0009 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0009 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0009 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0009 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0009 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0009 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0009 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0009 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

17-beta-estradiol (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0004 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0004 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0004 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0004 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0004 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0004 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0004 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0004 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0004 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0004 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

2,4-dinitrotoluene (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<2 µg/L

Below Reporting Level

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<2 µg/L

Below Reporting Level

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

2,6-dinitrotoluene (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<2 µg/L

Below Reporting Level

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<2 µg/L

Below Reporting Level

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

2-methoxyethanol (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.4 µg/L

Below Reporting Level

3/23/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.4 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.4 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.4 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.4 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.4 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.4 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.5 µg/L

Below Reporting Level

3/23/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.5 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.5 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.5 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.5 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.5 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.5 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.5 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<0.8 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<0.8 µg/L

Below Reporting Level

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<0.8 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<0.8 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<0.8 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<0.8 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<0.8 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<0.8 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<0.8 µg/L

Below Reporting Level

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<0.8 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<0.8 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<0.8 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<0.8 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<0.8 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

4-androstene-3,17-dione (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0003 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0003 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0003 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0003 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0003 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0003 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0003 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0003 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0003 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0003 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.002 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.002 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.002 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.01 µg/L

Below Reporting Level

3/23/2020

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.01 µg/L

Below Reporting Level

1/9/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.01 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.01 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.01 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.01 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.01 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.01 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

anatoxin-a (8)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

8/24/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

8/10/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

7/13/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

6/30/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

6/11/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2020

5 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.06 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.06 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.06 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.06 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.06 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.06 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.06 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.06 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.06 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.06 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

bromomethane (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

Butylated Hydroxyanisole (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

3/23/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

chlorate (16)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

57 µg/L

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

4/16/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

54 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 34 µg/L

4/16/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

62 µg/L

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

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

60 µg/L

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

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

59 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 39 µg/L

1/27/2014

11 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

57 µg/L

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

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

56 µg/L

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

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

55 µg/L

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

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

93 µg/L

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

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

76 µg/L

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

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

130 µg/L

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

7/16/2013

12 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

130 µg/L

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

7/16/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

100 µg/L

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

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

91 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 71 µg/L

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

74 µg/L

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

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

73 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 53 µg/L

7/16/2013

12 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.08 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.08 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.08 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.08 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.08 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.08 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.08 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.08 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.08 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.08 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

chloromethane (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

chlorpyrifos (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

3/23/2020

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

1/9/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

chromium (16)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

4/16/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

<0.2 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

<0.2 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

0.26 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.06 µg/L

7/16/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

chromium-6 (16)

316 N. Yaleton Av.

Distribution System - MX ℹ️

0.14 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.11 µg/L

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.13 µg/L

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

4/16/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

0.13 µg/L

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

1/27/2014

11 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

0.11 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.08 µg/L

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

0.11 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.08 µg/L

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

0.07 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.04 µg/L

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.061 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.031 µg/L

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

0.05 µg/L

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

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.12 µg/L

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

10/18/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

0.11 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.08 µg/L

10/18/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

0.18 µg/L

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

7/16/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

0.12 µg/L

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

7/16/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.096 µg/L

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

7/16/2013

12 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

0.093 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.063 µg/L

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

0.079 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.049 µg/L

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

0.075 µg/L

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

7/16/2013

12 years ago

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

Contaminant Details

cobalt (16)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<1 µg/L

Below Reporting Level

4/16/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

<1 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<1 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<1 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<1 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<1 µg/L

Below Reporting Level

1/27/2014

11 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

<1 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

<1 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<1 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<1 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<1 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<1 µg/L

Below Reporting Level

7/16/2013

12 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

7/16/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

<1 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

cylindrospermopsin (8)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

8/24/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

8/10/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

7/29/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

7/13/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

6/30/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

6/11/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

5/29/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

5/13/2020

5 years ago

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

Contaminant Details

dimethipin (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

3/23/2020

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

1/9/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<1 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<1 µg/L

Below Reporting Level

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<1 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<1 µg/L

Below Reporting Level

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

equilin (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.004 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.004 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

estriol (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0008 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0008 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0008 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0008 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0008 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0008 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0008 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0008 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0008 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0008 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

estrone (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.002 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.002 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.002 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.002 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.002 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.002 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

ethoprop (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

3/23/2020

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

1/9/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.03 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

Germanium (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

3/23/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.3 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.3 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.3 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.3 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (32)

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

17.6 µg/L

Meets Reporting Threshold

3/23/2020

5 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

11.59 µg/L

Meets Reporting Threshold

3/23/2020

5 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

11.3 µg/L

Meets Reporting Threshold

3/23/2020

5 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

10.65 µg/L

Meets Reporting Threshold

3/23/2020

5 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

10.04 µg/L

Meets Reporting Threshold

3/23/2020

5 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

9 µg/L

Meets Reporting Threshold

3/23/2020

5 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

9 µg/L

Meets Reporting Threshold

3/23/2020

5 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

6.2 µg/L

Meets Reporting Threshold

3/23/2020

5 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

11.2 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

9 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

7.7 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

7.6 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

6.8 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

6.6 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

5.5 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

4.87 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

17.86 µg/L

Meets Reporting Threshold

9/9/2019

6 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

12.7 µg/L

Meets Reporting Threshold

9/9/2019

6 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

11.77 µg/L

Meets Reporting Threshold

9/9/2019

6 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

11.05 µg/L

Meets Reporting Threshold

9/9/2019

6 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

10.74 µg/L

Meets Reporting Threshold

9/9/2019

6 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

10.57 µg/L

Meets Reporting Threshold

9/9/2019

6 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

6.3 µg/L

Meets Reporting Threshold

9/9/2019

6 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

6.2 µg/L

Meets Reporting Threshold

9/9/2019

6 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

22.9 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

18.65 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

18.29 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

18.21 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

18.08 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

17.76 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

17.1 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

16.64 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (32)

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

10.69 µg/L

3/23/2020

5 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

10.1 µg/L

3/23/2020

5 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

9.7 µg/L

3/23/2020

5 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

8.75 µg/L

3/23/2020

5 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

8.14 µg/L

3/23/2020

5 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

7.2 µg/L

3/23/2020

5 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

6.8 µg/L

3/23/2020

5 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

5.15 µg/L

3/23/2020

5 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

22.6 µg/L

12/9/2019

5 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

20.4 µg/L

12/9/2019

5 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

15.9 µg/L

12/9/2019

5 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

15.7 µg/L

12/9/2019

5 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

15.3 µg/L

12/9/2019

5 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

15 µg/L

12/9/2019

5 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

14 µg/L

12/9/2019

5 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

13.9 µg/L

12/9/2019

5 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

23.96 µg/L

9/9/2019

6 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

21.2 µg/L

9/9/2019

6 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

18.57 µg/L

9/9/2019

6 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

18.15 µg/L

9/9/2019

6 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

17.14 µg/L

9/9/2019

6 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

17.07 µg/L

9/9/2019

6 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

11.9 µg/L

9/9/2019

6 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

11.9 µg/L

9/9/2019

6 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

16.91 µg/L

6/13/2019

6 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

14.4 µg/L

6/13/2019

6 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

12.38 µg/L

6/13/2019

6 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

11.59 µg/L

6/13/2019

6 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

10.85 µg/L

6/13/2019

6 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

9.16 µg/L

6/13/2019

6 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

8.74 µg/L

6/13/2019

6 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

7.6 µg/L

6/13/2019

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (32)

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

25.2 µg/L

3/23/2020

5 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

19.39 µg/L

3/23/2020

5 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

18.7 µg/L

3/23/2020

5 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

17.25 µg/L

3/23/2020

5 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

16.14 µg/L

3/23/2020

5 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

14.6 µg/L

3/23/2020

5 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

14.3 µg/L

3/23/2020

5 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

10.35 µg/L

3/23/2020

5 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

27.5 µg/L

12/9/2019

5 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

24.1 µg/L

12/9/2019

5 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

19.1 µg/L

12/9/2019

5 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

18.8 µg/L

12/9/2019

5 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

18.6 µg/L

12/9/2019

5 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

18.37 µg/L

12/9/2019

5 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

17.1 µg/L

12/9/2019

5 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

16.6 µg/L

12/9/2019

5 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

33.66 µg/L

9/9/2019

6 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

26.7 µg/L

9/9/2019

6 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

24.07 µg/L

9/9/2019

6 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

23.25 µg/L

9/9/2019

6 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

22.14 µg/L

9/9/2019

6 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

22.07 µg/L

9/9/2019

6 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

16.2 µg/L

9/9/2019

6 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

15.8 µg/L

9/9/2019

6 years ago

1120 North Edenfield Avenue - STG 2 DBP

Distribution System - DBP ℹ️

33.8 µg/L

6/13/2019

6 years ago

14 Turning Leaf Way - STG 2 DBP

Distribution System - DBP ℹ️

29.71 µg/L

6/13/2019

6 years ago

1213 North Fairvale Avenue - STG 2 DBP

Distribution System - DBP ℹ️

27.19 µg/L

6/13/2019

6 years ago

316 N. Yaleton Avenue - STG 2 DBP

Distribution System - DBP ℹ️

26.98 µg/L

6/13/2019

6 years ago

1156 West Glentana Street - STG 2 DBP

Distribution System - DBP ℹ️

26.45 µg/L

6/13/2019

6 years ago

18434 East Kirkwall Road - STG 2 DBP

Distribution System - DBP ℹ️

24.46 µg/L

6/13/2019

6 years ago

642 West Groverdale Street - STG 2 DBP

Distribution System - DBP ℹ️

22.84 µg/L

6/13/2019

6 years ago

755 Linfield Street - STG 2 DBP

Distribution System - DBP ℹ️

22.8 µg/L

6/13/2019

6 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

lithium (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<9 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<9 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<9 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<9 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<9 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<9 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<9 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<9 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<9 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<9 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<9 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

Manganese (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

1.2 µg/L

Meets Reporting Threshold

3/23/2020

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

4.5 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

1.4 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

1.1 µg/L

Meets Reporting Threshold

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.4 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.4 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

1 µg/L

Meets Reporting Threshold

9/9/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

2.4 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

0.83 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.57 µg/L

Meets Reporting Threshold

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.4 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<5 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<5 µg/L

Below Reporting Level

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<5 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<5 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<5 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<5 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<5 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<5 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<5 µg/L

Below Reporting Level

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<5 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<5 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<5 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<5 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<5 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

molinate (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<0.9 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<0.9 µg/L

Below Reporting Level

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<0.9 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<0.9 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<0.9 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<0.9 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<0.9 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<0.9 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<0.9 µg/L

Below Reporting Level

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<0.9 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<0.9 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<0.9 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<0.9 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<0.9 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

molybdenum (16)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

1.8 µg/L

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

4/16/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

1.8 µg/L

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

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

2.1 µg/L

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

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

1.8 µg/L

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

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

1.7 µg/L

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

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

1.7 µg/L

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

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

1.6 µg/L

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

1/27/2014

11 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

1.6 µg/L

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

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

1.7 µg/L

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

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

1.6 µg/L

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

10/18/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

2.4 µg/L

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

7/16/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

2 µg/L

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

7/16/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

1.8 µg/L

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

7/16/2013

12 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

1.8 µg/L

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

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

1.7 µg/L

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

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

1.6 µg/L

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

7/16/2013

12 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.006 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.006 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.006 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.006 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.006 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.006 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.006 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.006 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.006 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.006 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.006 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

nitrobenzene (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<10 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<10 µg/L

Below Reporting Level

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<10 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<10 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<10 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<10 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<10 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<10 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<10 µg/L

Below Reporting Level

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<10 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<10 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<10 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<10 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<10 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.02 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.02 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.02 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.02 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.02 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.02 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.02 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

o-toluidine (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.007 µg/L

Below Reporting Level

3/23/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.007 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.007 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.007 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.007 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.007 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.007 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.007 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

oxyfluorfen (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.05 µg/L

Below Reporting Level

3/23/2020

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.05 µg/L

Below Reporting Level

1/9/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.05 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.05 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.05 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.05 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.05 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.05 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

perchlorate (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<4 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 7 µg/L

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<4 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<4 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<4 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<4 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<4 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<4 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 6 µg/L

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<4 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<4 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<4 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<4 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<4 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (21)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.09 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.09 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.09 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

perfluorobutanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.005 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluorodecanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluorododecanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluoroheptanoic acid (21)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.01 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.01 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.01 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.01 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.01 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.01 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.01 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.01 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.01 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (21)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

perfluorohexanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.0035 µg/L

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

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluorononanoic acid (21)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.02 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.02 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.02 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (21)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.0053 µg/L

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

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

0.0051 µg/L

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

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.0058 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0018 µg/L

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.04 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.04 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.04 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.04 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.04 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.04 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.04 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.04 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.04 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

perfluorooctanoic acid (21)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

9/16/2024

13 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

0.0077 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0037 µg/L

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.0044 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0004 µg/L

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.02 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.02 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.02 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.004 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluoropentanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.003 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluorotetradecanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.008 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.008 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.008 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.008 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.008 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.008 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.008 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.008 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.008 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.008 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.008 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluorotridecanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.007 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.007 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.007 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.007 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.007 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.007 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.007 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.007 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.007 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.007 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.007 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

perfluoroundecanoic acid (11)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

9/16/2024

13 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.002 µg/L

Below Reporting Level

6/12/2024

16 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

3/6/2024

20 months ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.002 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.002 µg/L

Below Reporting Level

12/14/2023

22 months ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.002 µg/L

Below Reporting Level

12/14/2023

22 months ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.002 µg/L

Below Reporting Level

12/14/2023

22 months ago

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

Contaminant Details

profenofos (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

3/23/2020

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.3 µg/L

Below Reporting Level

1/9/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.3 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.3 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.3 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.3 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

quinoline (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

3/23/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.02 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.02 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.02 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.02 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.02 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<1 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<1 µg/L

Below Reporting Level

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<1 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<1 µg/L

Below Reporting Level

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<1 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

strontium (16)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

420 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 419.7 µg/L

4/16/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

420 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 419.7 µg/L

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

460 µg/L

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

1/27/2014

11 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

460 µg/L

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

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

440 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 439.7 µg/L

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

420 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 419.7 µg/L

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

410 µg/L

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

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

320 µg/L

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

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

530 µg/L

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

10/18/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

420 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 419.7 µg/L

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

460 µg/L

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

7/16/2013

12 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

460 µg/L

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

7/16/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

410 µg/L

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

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

400 µg/L

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

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

400 µg/L

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

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

310 µg/L

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

7/16/2013

12 years ago

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

Contaminant Details

tebuconazole (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

3/23/2020

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

1/9/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.2 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

terbacil (14)

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

8/7/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<2 µg/L

Below Reporting Level

6/19/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

2/26/2002

23 years ago

WELL # 10 SAMPLING STATION

WELL # 10 SAMPLING STATION ℹ️

<2 µg/L

Below Reporting Level

12/26/2001

23 years ago

EFFLUENT OF CANYON G19/008-PLANT

EFFLUENT OF CANYON FILTRATION PLANT ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2

SPREADING GROUNDS 20" MAIN ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 2 & 3 TRANSMISSION 24" MAIN

SPREADING GROUNDS 24" MAIN ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 5 & 6 DIV.BOX

SIERRA MADRE RESERVOIR DIV. BOX ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

WELLS 7 & 8 + FILT PLANT COMB. EFF.

ROCKVALE PUMP STATION ℹ️

<2 µg/L

Below Reporting Level

11/27/2001

23 years ago

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

Contaminant Details

testosterone (10)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0001 µg/L

Below Reporting Level

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0001 µg/L

Below Reporting Level

1/27/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0001 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0001 µg/L

Below Reporting Level

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0001 µg/L

Below Reporting Level

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0001 µg/L

Below Reporting Level

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.0001 µg/L

Below Reporting Level

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.0001 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.0001 µg/L

Below Reporting Level

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.0001 µg/L

Below Reporting Level

7/16/2013

12 years ago

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

Contaminant Details

total microcystins (8)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

8/24/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

8/10/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

7/29/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

7/13/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

6/30/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

6/11/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.3 µg/L

Below Reporting Level

5/13/2020

5 years ago

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

Contaminant Details

Total Permethrin (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.04 µg/L

Below Reporting Level

3/23/2020

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.04 µg/L

Below Reporting Level

1/9/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.04 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.04 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.04 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.04 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.04 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.04 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

tribufos (12)

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.07 µg/L

Below Reporting Level

3/23/2020

5 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.07 µg/L

Below Reporting Level

1/9/2020

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.07 µg/L

Below Reporting Level

12/9/2019

5 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.07 µg/L

Below Reporting Level

12/9/2019

5 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.07 µg/L

Below Reporting Level

12/9/2019

5 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.07 µg/L

Below Reporting Level

12/9/2019

5 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.07 µg/L

Below Reporting Level

9/9/2019

6 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

Griffith Booster Eff.

Griffith Booster (Well 10) ℹ️

<0.07 µg/L

Below Reporting Level

6/13/2019

6 years ago

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

Contaminant Details

vanadium (16)

316 N. Yaleton Av.

Distribution System - MX ℹ️

1.1 µg/L

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

4/16/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L

4/16/2014

11 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

1.2 µg/L

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

1/27/2014

11 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

1.2 µg/L

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

1/27/2014

11 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

1.2 µg/L

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

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

1.2 µg/L

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

1/27/2014

11 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

1.1 µg/L

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

1/27/2014

11 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

0.79 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.59 µg/L

1/27/2014

11 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

1.5 µg/L

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

10/18/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

1.4 µg/L

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

10/18/2013

12 years ago

Spreading Ground 20'' Main Eff.

Spreading Grounds 20'' Main (Wells 1 & 4) ℹ️

1.9 µg/L

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

7/16/2013

12 years ago

Spreading Ground 24'' Main Eff.

Spreading Grounds 24'' Main (Wells 2 & 3) ℹ️

1.3 µg/L

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

7/16/2013

12 years ago

316 N. Yaleton Av.

Distribution System - MX ℹ️

1.2 µg/L

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

7/16/2013

12 years ago

Rockvale Pump Station Eff.

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant) ℹ️

1.1 µg/L

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

7/16/2013

12 years ago

Sierra Madre Reservoir Sand Box Eff.

Sierra Madre Reservoir Sand Box (Wells 5 & 6) ℹ️

1.1 µg/L

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

7/16/2013

12 years ago

18434 E. Kirkwall Rd.

Distribution System - GW ℹ️

1.1 µg/L

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

7/16/2013

12 years ago

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

Contaminant Details

Sampling Facilities

Rockvale Pump Sta. (Wells 7,8,11,12,Canyon Plant)
Multiple Sources (MX)

Rockvale Pump Station Eff.Entry Point to the Distribution System (EP)

Sierra Madre Reservoir Sand Box (Wells 5 & 6)
Ground Water (GW)

Sierra Madre Reservoir Sand Box Eff.Entry Point to the Distribution System (EP)

Spreading Grounds 20'' Main (Wells 1 & 4)
Ground Water (GW)

Spreading Ground 20'' Main Eff.Entry Point to the Distribution System (EP)

Spreading Grounds 24'' Main (Wells 2 & 3)
Ground Water (GW)

Spreading Ground 24'' Main Eff.Entry Point to the Distribution System (EP)

Griffith Booster (Well 10)
Ground Water (GW)

Griffith Booster Eff.Entry Point to the Distribution System (EP)

Distribution System - DBP
Multiple Sources (MX)

14 Turning Leaf Way - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Multiple Sources (MX)

755 Linfield Street - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Multiple Sources (MX)

1156 West Glentana Street - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Multiple Sources (MX)

1213 North Fairvale Avenue - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Multiple Sources (MX)

1120 North Edenfield Avenue - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Multiple Sources (MX)

642 West Groverdale Street - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Multiple Sources (MX)

316 N. Yaleton Avenue - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Multiple Sources (MX)

18434 East Kirkwall Road - STG 2 DBPDistribution System (DS)

Distribution System - GW
Ground Water (GW)

18434 E. Kirkwall Rd.Maximum Residence Time (MR)

Distribution System - MX
Multiple Sources (MX)

316 N. Yaleton Av.Maximum Residence Time (MR)

EP- #015 EFFLUENT OF CANYON FILTRATION PLANT
Surface Water (SW)

treated surface water effluentEntry Point to the Distribution System (EP)

EP- #036 WELL 12 - CHLORINATION
Ground Water (GW)

Well 11 post chlorinationEntry Point to the Distribution System (EP)

EP- #035 WELL 11 - CHLORINATION
Ground Water (GW)

Well 12 post chlorinationEntry Point to the Distribution System (EP)

EP- #032 WELL 10-CHLORINATION
Ground Water (GW)

Well 10 post chlorinationEntry Point to the Distribution System (EP)

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

1156 GlentanaMaximum Residence Time (MR)

D/DBP Max. Residence Time-Site 2
Multiple Sources (MX)

322 Yaleton AveMaximum Residence Time (MR)

D/DBP Max. Residence Time-Site 3
Multiple Sources (MX)

1580 Nobhill DrMaximum Residence Time (MR)

EFFLUENT OF CANYON FILTRATION PLANT
Surface Water (SW)

EFFLUENT OF CANYON G19/008-PLANTEntry Point to the Distribution System (EP)

SPREADING GROUNDS 20" MAIN
Ground Water (GW)

WELLS 1&4 + NORTH & SOUTH RESERVOIR 2Entry Point to the Distribution System (EP)

SPREADING GROUNDS 24" MAIN
Ground Water (GW)

WELLS 2 & 3 TRANSMISSION 24" MAINEntry Point to the Distribution System (EP)

SIERRA MADRE RESERVOIR DIV. BOX
Ground Water (GW)

WELLS 5 & 6 DIV.BOXEntry Point to the Distribution System (EP)

ROCKVALE PUMP STATION
()

WELLS 7 & 8 + FILT PLANT COMB. EFF.Entry Point to the Distribution System (EP)

WELL # 10 SAMPLING STATION
Ground Water (GW)

WELL # 10 SAMPLING STATIONEntry Point to the Distribution System (EP)

FAQ

Is Azusa Light & Water tap water safe to drink?

When was Azusa Light & Water last tested for water contamination?

The latest water samples were taken on September 16th, 2024.