City of Long Beach Water Dept. (CA) Water Quality

City of Long Beach Water Dept. is a large public water system in EPA region 9 that provides tap water for the 90801 - 90808, 90813 - 90815, 90831 zip codes. It has 35 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 14.74 µg/L. The maximum reported level of Manganese was 3.6 µg/L. There were 2 contamintants found in the City of Long Beach Water Dept. water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (6)
1,2,3-trichloropropane (6)
1,3-butadiene (6)
1,4-dioxane (6)
1-butanol (10)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)
17-alpha-ethynylestradiol (6)
17-beta-estradiol (6)
1H,1H,2H,2H-perfluorodecane sulfonic acid (8)
1H,1H,2H,2H-perfluorohexane sulfonic acid (8)
1H,1H,2H,2H-perfluorooctane sulfonic acid (8)
2,4-dinitrotoluene (58)
2,6-dinitrotoluene (58)
2-methoxyethanol (10)
2-propen-1-ol (Allyl Alcohol) (10)
4,4'-dichloro dichlorophenyl ethylene (DDE) (58)
4,8-dioxa-3H-perfluorononanoic acid (8)
4-androstene-3,17-dione (6)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)
alpha-hexachlorocyclohexane (10)
anatoxin-a (16)
bromochloromethane (Halon 1011) (6)
bromomethane (6)
Butylated Hydroxyanisole (10)
chlorate (10)
chlorodifluoromethane (HCFC-22) (6)
chloromethane (6)
chlorpyrifos (10)
chromium (10)
chromium-6 (10)
cobalt (10)
cylindrospermopsin (16)
dimethipin (10)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (58)
equilin (6)
estriol (6)
estrone (6)
ethoprop (10)
Germanium (10)
HAA5 (five regulated haloacetic acids) (48)
HAA6Br (six brominated haloacetic acids) (48)
HAA9 (nine haloacetic acids) (48)
hexafluoropropylene oxide dimer acid (GenX) (8)
lithium (8)
Manganese (10)
methyl-tertiary-butyl-ether (MTBE) (59)
molinate (58)
molybdenum (10)
N-ethyl perfluorooctanesulfonamidoacetic acid (8)
N-methyl perfluorooctanesulfonamidoacetic acid (8)
nitrobenzene (59)
nonafluoro-3,6-dioxaheptanoic acid (8)
o-toluidine (10)
oxyfluorfen (10)
perchlorate (109)
perfluoro(2-ethoxyethane)sulfonic acid (8)
perfluoro-3-methoxypropanoic acid (8)
perfluoro-4-methoxybutanoic acid (8)
perfluorobutanesulfonic acid (14)
perfluorobutanoic acid (8)
perfluorodecanoic acid (8)
perfluorododecanoic acid (8)
perfluoroheptanesulfonic acid (8)
perfluoroheptanoic acid (14)
perfluorohexanesulfonic acid (14)
perfluorohexanoic acid (8)
perfluorononanoic acid (14)
perfluorooctanesulfonic acid (14)
perfluorooctanoic acid (14)
perfluoropentanesulfonic acid (8)
perfluoropentanoic acid (8)
perfluorotetradecanoic acid (8)
perfluorotridecanoic acid (8)
perfluoroundecanoic acid (8)
profenofos (10)
quinoline (10)
s-ethyl-dipropylthiocarbamate (EPTC) (58)
strontium (10)
tebuconazole (10)
terbacil (58)
testosterone (6)
total microcystins (16)
Total Permethrin (10)
tribufos (10)
vanadium (10)

1,1-dichloroethane (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

1,2,3-trichloropropane (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

1,3-butadiene (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.1 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.1 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.1 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.1 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.1 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.1 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

1,4-dioxane (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.07 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.07 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.07 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.07 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.07 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.07 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

1-butanol (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<2 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<2 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<2 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<2 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<2 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<2 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<2 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<2 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<2 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<2 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

17-alpha-ethynylestradiol (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0009 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0009 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0009 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0009 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0009 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0009 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

17-beta-estradiol (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0004 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0004 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0004 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0004 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0004 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0004 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

2,4-dinitrotoluene (58)

COMMISSION 21

COMMISSION 21 ℹ️

<2 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<2 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<2 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<2 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<2 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<2 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<2 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<2 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

2,6-dinitrotoluene (58)

COMMISSION 21

COMMISSION 21 ℹ️

<2 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<2 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<2 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<2 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<2 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<2 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<2 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<2 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

2-methoxyethanol (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.4 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.4 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.4 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.4 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.4 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.4 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.4 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.4 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.4 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.4 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

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

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.5 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.5 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.5 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.5 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.5 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.5 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.5 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.5 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.5 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.5 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (58)

COMMISSION 21

COMMISSION 21 ℹ️

<0.8 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<0.8 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<0.8 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<0.8 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<0.8 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<0.8 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<0.8 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<0.8 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<0.8 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<0.8 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<0.8 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<0.8 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<0.8 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<0.8 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<0.8 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<0.8 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<0.8 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<0.8 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<0.8 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<0.8 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<0.8 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<0.8 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

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

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

4-androstene-3,17-dione (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0003 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0003 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0003 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0003 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0003 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0003 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.002 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.002 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.002 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.002 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

alpha-hexachlorocyclohexane (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.01 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.01 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.01 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.01 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.01 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.01 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.01 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.01 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.01 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.01 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

anatoxin-a (16)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

9/4/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

9/4/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

8/6/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

8/6/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

7/2/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

7/2/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

6/20/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

6/20/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

6/14/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

6/14/2018

7 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.06 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.06 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.06 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.06 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.06 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.06 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

bromomethane (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

Butylated Hydroxyanisole (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

chlorate (10)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

94 µg/L

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

6/19/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

60 µg/L

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

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

110 µg/L

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

3/20/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

55 µg/L

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

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<20 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

84 µg/L

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

12/12/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

64 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 44 µg/L

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

78 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 58 µg/L

9/26/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

31 µg/L

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

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<20 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.08 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.08 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.08 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.08 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.08 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.08 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

chloromethane (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

chlorpyrifos (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

chromium (10)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

6/19/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

3/20/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

12/12/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

9/26/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

chromium-6 (10)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

0.053 µg/L

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

6/19/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.044 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.014 µg/L

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

0.057 µg/L

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

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

3/20/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

0.069 µg/L

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

12/12/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.067 µg/L

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

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

0.074 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.044 µg/L

9/26/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.053 µg/L

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

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

0.032 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.002 µg/L

9/26/2013

11 years ago

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

Contaminant Details

cobalt (10)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<1 µg/L

Below Reporting Level

6/19/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<1 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<1 µg/L

Below Reporting Level

3/20/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<1 µg/L

Below Reporting Level

12/12/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<1 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<1 µg/L

Below Reporting Level

9/26/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

cylindrospermopsin (16)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.09 µg/L

Below Reporting Level

9/17/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

9/17/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.09 µg/L

Below Reporting Level

9/4/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

9/4/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.09 µg/L

Below Reporting Level

8/6/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

8/6/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.09 µg/L

Below Reporting Level

7/2/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

7/2/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.09 µg/L

Below Reporting Level

6/20/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

6/20/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.09 µg/L

Below Reporting Level

6/14/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

6/14/2018

7 years ago

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

Contaminant Details

dimethipin (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.2 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.2 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.2 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (58)

COMMISSION 21

COMMISSION 21 ℹ️

<1 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<1 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<1 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<1 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<1 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<1 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<1 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<1 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<1 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

equilin (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.004 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.004 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

estriol (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0008 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0008 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0008 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0008 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0008 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0008 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

estrone (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.002 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.002 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

ethoprop (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

Germanium (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.11 µg/L

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

0.55 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.25 µg/L

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

0.3 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 0 µg/L

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

0.45 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.15 µg/L

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

0.43 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.13 µg/L

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (48)

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

11.69 µg/L

Meets Reporting Threshold

5/21/2019

6 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

11.53 µg/L

Meets Reporting Threshold

5/21/2019

6 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

11.47 µg/L

Meets Reporting Threshold

5/21/2019

6 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

10.89 µg/L

Meets Reporting Threshold

5/21/2019

6 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

10.78 µg/L

Meets Reporting Threshold

5/21/2019

6 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

10.74 µg/L

Meets Reporting Threshold

5/21/2019

6 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

10.38 µg/L

Meets Reporting Threshold

5/21/2019

6 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

11.61 µg/L

Meets Reporting Threshold

5/20/2019

6 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

11.02 µg/L

Meets Reporting Threshold

5/20/2019

6 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

10.44 µg/L

Meets Reporting Threshold

5/20/2019

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

10.26 µg/L

Meets Reporting Threshold

5/20/2019

6 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

10.24 µg/L

Meets Reporting Threshold

5/20/2019

6 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

9.87 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

8.73 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

8.67 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

8.61 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

8.21 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

8.11 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

7.86 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

9.86 µg/L

Meets Reporting Threshold

2/19/2019

6 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

9.59 µg/L

Meets Reporting Threshold

2/19/2019

6 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

8.69 µg/L

Meets Reporting Threshold

2/19/2019

6 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

8.55 µg/L

Meets Reporting Threshold

2/19/2019

6 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

8.05 µg/L

Meets Reporting Threshold

2/19/2019

6 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

9.07 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

8.73 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

8.68 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

8.64 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

8.26 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

8.24 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

7.98 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

7.94 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

7.72 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

7.55 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

7.54 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

6.85 µg/L

Meets Reporting Threshold

11/19/2018

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

14.74 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

13.39 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

13.29 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

13.29 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

13.27 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

13.26 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

13.17 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

13.11 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

12.7 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

12.28 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

12.26 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

11.96 µg/L

Meets Reporting Threshold

8/20/2018

7 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (48)

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

11.67 µg/L

5/21/2019

6 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

11.59 µg/L

5/21/2019

6 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

11.27 µg/L

5/21/2019

6 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

10.77 µg/L

5/21/2019

6 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

10.63 µg/L

5/21/2019

6 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

10.45 µg/L

5/21/2019

6 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

10.39 µg/L

5/21/2019

6 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

11.54 µg/L

5/20/2019

6 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

10.41 µg/L

5/20/2019

6 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

10.4 µg/L

5/20/2019

6 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

9.9 µg/L

5/20/2019

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

9.54 µg/L

5/20/2019

6 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

8.64 µg/L

2/20/2019

6 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

7.72 µg/L

2/20/2019

6 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

7.67 µg/L

2/20/2019

6 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

7.59 µg/L

2/20/2019

6 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

7.17 µg/L

2/20/2019

6 years ago

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

6.8 µg/L

2/20/2019

6 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

6.7 µg/L

2/20/2019

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

8.87 µg/L

2/19/2019

6 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

8.44 µg/L

2/19/2019

6 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

7.65 µg/L

2/19/2019

6 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

7.52 µg/L

2/19/2019

6 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

7.05 µg/L

2/19/2019

6 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

9.28 µg/L

11/19/2018

6 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

8.97 µg/L

11/19/2018

6 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

8.87 µg/L

11/19/2018

6 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

8.84 µg/L

11/19/2018

6 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

8.8 µg/L

11/19/2018

6 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

8.61 µg/L

11/19/2018

6 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

8.5 µg/L

11/19/2018

6 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

8.37 µg/L

11/19/2018

6 years ago

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

8.37 µg/L

11/19/2018

6 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

8.31 µg/L

11/19/2018

6 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

8.23 µg/L

11/19/2018

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

7.13 µg/L

11/19/2018

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

12.66 µg/L

8/20/2018

7 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

12.01 µg/L

8/20/2018

7 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

11.84 µg/L

8/20/2018

7 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

11.69 µg/L

8/20/2018

7 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

11.67 µg/L

8/20/2018

7 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

11.67 µg/L

8/20/2018

7 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

11.63 µg/L

8/20/2018

7 years ago

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

11.45 µg/L

8/20/2018

7 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

11.42 µg/L

8/20/2018

7 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

11.14 µg/L

8/20/2018

7 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

11.01 µg/L

8/20/2018

7 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

10.8 µg/L

8/20/2018

7 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (48)

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

19.53 µg/L

5/21/2019

6 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

19.25 µg/L

5/21/2019

6 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

18.79 µg/L

5/21/2019

6 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

18.34 µg/L

5/21/2019

6 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

18.34 µg/L

5/21/2019

6 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

18.25 µg/L

5/21/2019

6 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

17.64 µg/L

5/21/2019

6 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

19.33 µg/L

5/20/2019

6 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

18.23 µg/L

5/20/2019

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

17.63 µg/L

5/20/2019

6 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

17.63 µg/L

5/20/2019

6 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

17.57 µg/L

5/20/2019

6 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

16.93 µg/L

2/20/2019

6 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

15.01 µg/L

2/20/2019

6 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

14.99 µg/L

2/20/2019

6 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

14.82 µg/L

2/20/2019

6 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

14.34 µg/L

2/20/2019

6 years ago

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

13.67 µg/L

2/20/2019

6 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

13.61 µg/L

2/20/2019

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

16.98 µg/L

2/19/2019

6 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

16.45 µg/L

2/19/2019

6 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

15.22 µg/L

2/19/2019

6 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

14.72 µg/L

2/19/2019

6 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

13.86 µg/L

2/19/2019

6 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

15.13 µg/L

11/19/2018

6 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

14.59 µg/L

11/19/2018

6 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

14.55 µg/L

11/19/2018

6 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

14.47 µg/L

11/19/2018

6 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

14.01 µg/L

11/19/2018

6 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

13.92 µg/L

11/19/2018

6 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

13.59 µg/L

11/19/2018

6 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

13.47 µg/L

11/19/2018

6 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

13.34 µg/L

11/19/2018

6 years ago

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

13.1 µg/L

11/19/2018

6 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

13.1 µg/L

11/19/2018

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

11.5 µg/L

11/19/2018

6 years ago

160 E. MARKET ST

LBWD Distribution System-Stage 2 ℹ️

23.48 µg/L

8/20/2018

7 years ago

2829 68TH ST

LBWD Distribution System-Stage 2 ℹ️

21.91 µg/L

8/20/2018

7 years ago

6509 GUNDRY AVE

LBWD Distribution System-Stage 2 ℹ️

21.81 µg/L

8/20/2018

7 years ago

1126 QUEENS HWY

LBWD Distribution System-Stage 2 ℹ️

21.67 µg/L

8/20/2018

7 years ago

2201 WEBSTER AVE

LBWD Distribution System-Stage 2 ℹ️

21.59 µg/L

8/20/2018

7 years ago

165 N. PICO AVE

LBWD Distribution System-Stage 2 ℹ️

21.56 µg/L

8/20/2018

7 years ago

3090 EASY AVE

LBWD Distribution System-Stage 2 ℹ️

21.22 µg/L

8/20/2018

7 years ago

2993 MAINE AVE

LBWD Distribution System-Stage 2 ℹ️

21.12 µg/L

8/20/2018

7 years ago

1720 W. 32ND ST

LBWD Distribution System-Stage 2 ℹ️

20.56 µg/L

8/20/2018

7 years ago

132 E. ARTESIA BLVD.

LBWD Distribution System-Stage 2 ℹ️

20.07 µg/L

8/20/2018

7 years ago

2475 ADRIATIC AVE

LBWD Distribution System-Stage 2 ℹ️

19.95 µg/L

8/20/2018

7 years ago

JWJ EFFLUENT

LBWD Distribution System-Stage 2 ℹ️

19.95 µg/L

8/20/2018

7 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

lithium (8)

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

54 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 45 µg/L

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 1 µg/L

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

15 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 6 µg/L

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 4 µg/L

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

24 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 15 µg/L

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

20 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 11 µg/L

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<9 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<9 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

Manganese (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

2.6 µg/L

Meets Reporting Threshold

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

0.49 µg/L

Meets Reporting Threshold

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

0.86 µg/L

Meets Reporting Threshold

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

0.95 µg/L

Meets Reporting Threshold

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.4 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

3.6 µg/L

Meets Reporting Threshold

12/19/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

1.6 µg/L

Meets Reporting Threshold

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

2.5 µg/L

Meets Reporting Threshold

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

2 µg/L

Meets Reporting Threshold

9/20/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

1.3 µg/L

Meets Reporting Threshold

9/20/2019

5 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (59)

COMMISSION 21

COMMISSION 21 ℹ️

<5 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<5 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<5 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<5 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<5 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<5 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<5 µg/L

Below Reporting Level

12/5/2001

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<5 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<5 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<5 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<5 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<5 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<5 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<5 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<5 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<5 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<5 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<5 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<5 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<5 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<5 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<5 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<5 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<5 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<5 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<5 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

molinate (58)

COMMISSION 21

COMMISSION 21 ℹ️

<0.9 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<0.9 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<0.9 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<0.9 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<0.9 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<0.9 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<0.9 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<0.9 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<0.9 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<0.9 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<0.9 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<0.9 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<0.9 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<0.9 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<0.9 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<0.9 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<0.9 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<0.9 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<0.9 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<0.9 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<0.9 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<0.9 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

molybdenum (10)

Max. Res. Time in Dist. System

Distribution System ℹ️

5 µg/L

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

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

4 µg/L

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

6/19/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

7.1 µg/L

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

3/20/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

6.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.2 µg/L

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

4.7 µg/L

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

3/20/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

4.8 µg/L

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

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

4.5 µg/L

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

12/12/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

6.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.7 µg/L

9/26/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

5.8 µg/L

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

9/26/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

4.1 µg/L

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

9/26/2013

11 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.006 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.006 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.006 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.006 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.006 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.006 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.006 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.006 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

nitrobenzene (59)

COMMISSION 21

COMMISSION 21 ℹ️

<10 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<10 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<10 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<10 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<10 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<10 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<10 µg/L

Below Reporting Level

12/5/2001

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<10 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<10 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<10 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<10 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<10 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<10 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<10 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<10 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<10 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<10 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<10 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<10 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<10 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<10 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<10 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<10 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<10 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<10 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<10 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.02 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.02 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.02 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.02 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

o-toluidine (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.007 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.007 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.007 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.007 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.007 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.007 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.007 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.007 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.007 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

oxyfluorfen (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.05 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.05 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.05 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.05 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.05 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.05 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.05 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.05 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.05 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.05 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

perchlorate (109)

COMMISSION 21

COMMISSION 21 ℹ️

<4 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<4 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<4 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<4 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<4 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<4 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<4 µg/L

Below Reporting Level

9/28/2001

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<4 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<4 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<4 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<4 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<4 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<4 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<4 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<4 µg/L

Below Reporting Level

8/30/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<4 µg/L

Below Reporting Level

8/29/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

COMMISSION WELL 15 04S/12W-15B03

COMMISSION WELL 15 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

DEVELOPMENT WELL 05 04S/12W-20G01

DEVELOPMENT WELL 05 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<4 µg/L

Below Reporting Level

7/26/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<4 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<4 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<4 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<4 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<4 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<4 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<4 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<4 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<4 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<4 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<4 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<4 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluorobutanesulfonic acid (14)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.09 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.09 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.09 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

perfluorobutanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.005 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluorodecanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluorododecanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluoroheptanesulfonic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluoroheptanoic acid (14)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.01 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.01 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.01 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.01 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.01 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.01 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (14)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.03 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.03 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

perfluorohexanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluorononanoic acid (14)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.02 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.02 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (14)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.04 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.04 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.04 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.04 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.04 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.04 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

perfluorooctanoic acid (14)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.02 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.02 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.004 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluoropentanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.003 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluorotetradecanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.008 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.008 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.008 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.008 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.008 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.008 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.008 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.008 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluorotridecanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.007 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.007 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.007 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.007 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.007 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.007 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.007 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.007 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

perfluoroundecanoic acid (8)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.002 µg/L

Below Reporting Level

1/18/2024

20 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

1/18/2024

20 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.002 µg/L

Below Reporting Level

10/19/2023

23 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

10/19/2023

23 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.002 µg/L

Below Reporting Level

7/13/2023

26 months ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

7/13/2023

26 months ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.002 µg/L

Below Reporting Level

4/20/2023

2 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.002 µg/L

Below Reporting Level

4/20/2023

2 years ago

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

Contaminant Details

profenofos (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.3 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.3 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

quinoline (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.02 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.02 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.02 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.02 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.02 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (58)

COMMISSION 21

COMMISSION 21 ℹ️

<1 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<1 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<1 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<1 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<1 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<1 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<1 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<1 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<1 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<1 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<1 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<1 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<1 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

strontium (10)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

940 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 939.7 µg/L

6/19/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

750 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 749.7 µg/L

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

970 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 969.7 µg/L

3/20/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

620 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 619.7 µg/L

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

180 µg/L

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

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

810 µg/L

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

12/12/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

680 µg/L

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

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

840 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 839.7 µg/L

9/26/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

530 µg/L

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

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

160 µg/L

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

9/26/2013

11 years ago

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

Contaminant Details

tebuconazole (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.2 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.2 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.2 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.2 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.2 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

terbacil (58)

COMMISSION 21

COMMISSION 21 ℹ️

<2 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<2 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<2 µg/L

Below Reporting Level

11/7/2002

22 years ago

COMMISSION 21

COMMISSION 21 ℹ️

<2 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 22

COMMISSION 22 ℹ️

<2 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION 23

COMMISSION 23 ℹ️

<2 µg/L

Below Reporting Level

6/27/2002

23 years ago

COMMISSION WELL 14 (NEW)

COMMISSION WELL 14 (NEW) ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 18

COMMISSION WELL 18 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 19

COMMISSION WELL 19 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

COMMISSION WELL 20

COMMISSION WELL 20 ℹ️

<2 µg/L

Below Reporting Level

9/21/2001

24 years ago

ALAMITOS WELL 08

ALAMITOS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ANNEX 201

ANNEX WELL 201 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 07-A

CITIZENS WELL 07-A ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 08

CITIZENS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 09

CITIZENS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 10

COMMISSION WELL 10 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 13

COMMISSION WELL 13 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 16

COMMISSION WELL 16 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

COMMISSION WELL 17

COMMISSION WELL 17 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

DEVELOPMENT WELL 09

DEVELOPMENT WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 11

LONG BEACH WELL 11 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

NORTH LONG BEACH WELL 12

LONG BEACH WELL 12 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

WILSON WELL 01-A

WILSON WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

WISE WELL 01-A

WISE WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

CITIZENS WELL 10

CITIZENS WELL 10 ℹ️

<2 µg/L

Below Reporting Level

9/20/2001

24 years ago

ALAMITOS WELL 09

ALAMITOS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

6/28/2001

24 years ago

COMMISSION WELL 15

COMMISSION WELL 15 ℹ️

<2 µg/L

Below Reporting Level

6/28/2001

24 years ago

DEVELOPMENT WELL 05

DEVELOPMENT WELL 05 ℹ️

<2 µg/L

Below Reporting Level

6/28/2001

24 years ago

ALAMITOS 04S/12W-28H06

ALAMITOS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

ALAMITOS 13

ALAMITOS WELL 13 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

ANNEX WELL 201 04S/12W-23K03

ANNEX WELL 201 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 09 04S/12W-16J03

CITIZENS WELL 09 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 16 04S/12W-15A01

COMMISSION WELL 16 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

COMMISSION WELL 17 04S/12W-14B02

COMMISSION WELL 17 ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

WILSON WELL 01-A 04S/12W-23C01

WILSON WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

WISE WELL 01-A 04S/12W-24M08

WISE WELL 01-A ℹ️

<2 µg/L

Below Reporting Level

5/11/2001

24 years ago

CITIZENS WELL 07-A 04S/12W-21M07

CITIZENS WELL 07-A ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 08 04S/12W-16R01

CITIZENS WELL 08 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 10 04S/12W-14A02

COMMISSION WELL 10 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 13 04S/12W-13N02

COMMISSION WELL 13 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 14 04S/12W-14D04

COMMISSION WELL 14 (NEW) ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 18 04S/12W-14A04

COMMISSION WELL 18 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

DEVELOPMENT WELL 09 04S/12W-17E01

DEVELOPMENT WELL 09 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-35

LONG BEACH WELL 04 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

1910065-37

LONG BEACH WELL 08 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 09 04S/12W-06K02

LONG BEACH WELL 09 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 11 04S/12W-06J02

LONG BEACH WELL 11 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

LONG BEACH WELL 12 04S/12W-08M01

LONG BEACH WELL 12 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

CITIZENS WELL 10 04S/12W-20K01

CITIZENS WELL 10 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 19 04S/12W-13B04

COMMISSION WELL 19 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

COMMISSION WELL 20 04S/12W-13H01

COMMISSION WELL 20 ℹ️

<2 µg/L

Below Reporting Level

5/10/2001

24 years ago

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

Contaminant Details

testosterone (6)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0001 µg/L

Below Reporting Level

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0001 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0001 µg/L

Below Reporting Level

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0001 µg/L

Below Reporting Level

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

<0.0001 µg/L

Below Reporting Level

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.0001 µg/L

Below Reporting Level

9/26/2013

11 years ago

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

Contaminant Details

total microcystins (16)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

9/17/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

9/17/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

9/4/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

9/4/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

8/20/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

8/20/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

8/6/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

8/6/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

7/2/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

7/2/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

6/20/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

6/20/2018

7 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.3 µg/L

Below Reporting Level

6/4/2018

7 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.3 µg/L

Below Reporting Level

6/4/2018

7 years ago

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

Contaminant Details

Total Permethrin (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.04 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.04 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.04 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.04 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.04 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.04 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.04 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.04 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.04 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.04 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

tribufos (10)

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.07 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.07 µg/L

Below Reporting Level

6/18/2020

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.07 µg/L

Below Reporting Level

5/14/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.07 µg/L

Below Reporting Level

3/18/2020

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.07 µg/L

Below Reporting Level

3/18/2020

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.07 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.07 µg/L

Below Reporting Level

12/19/2019

5 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

<0.07 µg/L

Below Reporting Level

9/20/2019

5 years ago

Alamitos Reservoir Effluent

ALAMITOS RESERVOIR ℹ️

<0.07 µg/L

Below Reporting Level

9/20/2019

5 years ago

EP#56 Johnson Reservoir Effluent-Treated

Johnson Reservoir (MWD) ℹ️

<0.07 µg/L

Below Reporting Level

9/20/2019

5 years ago

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

Contaminant Details

vanadium (10)

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

2.5 µg/L

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

6/19/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

1.8 µg/L

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

6/19/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

2.3 µg/L

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

3/20/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

1.4 µg/L

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

3/20/2014

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

0.4 µg/L

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

3/20/2014

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

2.7 µg/L

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

12/12/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

2.4 µg/L

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

12/12/2013

11 years ago

EP #56: Johnson Reservoir Treated

Johnson Reservoir (MWD) ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.7 µg/L

9/26/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L

9/26/2013

11 years ago

EP #55 - LBWD WTP Influent Raw Water

LBWD WTP (Combined Wells) ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.21 µg/L

9/26/2013

11 years ago

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

Contaminant Details

Sampling Facilities

ALAMITOS RESERVOIR
Multiple Sources (MX)

Alamitos Reservoir EffluentEntry Point to the Distribution System (EP)

Johnson Reservoir (MWD)
Surface Water (SW)

EP#56 Johnson Reservoir Effluent-TreatedEntry Point to the Distribution System (EP)

LBWD Distribution System-Stage 2
Multiple Sources (MX)

6509 GUNDRY AVEDistribution System (DS)

160 E. MARKET STDistribution System (DS)

3090 EASY AVEDistribution System (DS)

2475 ADRIATIC AVEDistribution System (DS)

165 N. PICO AVEDistribution System (DS)

2829 68TH STDistribution System (DS)

132 E. ARTESIA BLVD.Distribution System (DS)

1720 W. 32ND STDistribution System (DS)

2201 WEBSTER AVEDistribution System (DS)

1126 QUEENS HWYDistribution System (DS)

2993 MAINE AVEDistribution System (DS)

JWJ EFFLUENTDistribution System (DS)

LBWD WTP (Combined Wells)
Ground Water (GW)

EP #55 - LBWD WTP Influent Raw WaterEntry Point to the Distribution System (EP)

Johnson Reservoir (MWD)
Surface Water (SW)

EP #56: Johnson Reservoir TreatedEntry Point to the Distribution System (EP)

Distribution System
Multiple Sources (MX)

Max. Res. Time in Dist. SystemMaximum Residence Time (MR)

ALAMITOS WELL 08
Ground Water (GW)

ALAMITOS 04S/12W-28H06SR (SR)

ALAMITOS WELL 08SR (SR)

ALAMITOS WELL 09
Ground Water (GW)

ALAMITOS WELL 09SR (SR)

ALAMITOS WELL 13
Ground Water (GW)

ALAMITOS 13SR (SR)

ANNEX WELL 201
Ground Water (GW)

ANNEX WELL 201 04S/12W-23K03SR (SR)

ANNEX 201SR (SR)

CITIZENS WELL 07-A
Ground Water (GW)

CITIZENS WELL 07-A 04S/12W-21M07SR (SR)

CITIZENS WELL 07-ASR (SR)

CITIZENS WELL 08
Ground Water (GW)

CITIZENS WELL 08 04S/12W-16R01SR (SR)

CITIZENS WELL 08SR (SR)

CITIZENS WELL 09
Ground Water (GW)

CITIZENS WELL 09 04S/12W-16J03SR (SR)

CITIZENS WELL 09Entry Point to the Distribution System (EP)

COMMISSION WELL 10
Ground Water (GW)

COMMISSION WELL 10 04S/12W-14A02SR (SR)

COMMISSION WELL 10SR (SR)

COMMISSION WELL 13
Ground Water (GW)

COMMISSION WELL 13 04S/12W-13N02SR (SR)

COMMISSION WELL 13SR (SR)

COMMISSION WELL 14 (NEW)
Ground Water (GW)

COMMISSION WELL 14 04S/12W-14D04SR (SR)

COMMISSION WELL 14 (NEW)SR (SR)

COMMISSION WELL 15
Ground Water (GW)

COMMISSION WELL 15 04S/12W-15B03SR (SR)

COMMISSION WELL 15Entry Point to the Distribution System (EP)

COMMISSION WELL 16
Ground Water (GW)

COMMISSION WELL 16 04S/12W-15A01SR (SR)

COMMISSION WELL 16SR (SR)

COMMISSION WELL 17
Ground Water (GW)

COMMISSION WELL 17 04S/12W-14B02SR (SR)

COMMISSION WELL 17SR (SR)

COMMISSION WELL 18
Ground Water (GW)

COMMISSION WELL 18 04S/12W-14A04SR (SR)

COMMISSION WELL 18SR (SR)

DEVELOPMENT WELL 05
Ground Water (GW)

DEVELOPMENT WELL 05 04S/12W-20G01SR (SR)

DEVELOPMENT WELL 05SR (SR)

DEVELOPMENT WELL 09
Ground Water (GW)

DEVELOPMENT WELL 09 04S/12W-17E01SR (SR)

DEVELOPMENT WELL 09SR (SR)

LONG BEACH WELL 04
Ground Water (GW)

1910065-35SR (SR)

LONG BEACH WELL 08
Ground Water (GW)

1910065-37SR (SR)

LONG BEACH WELL 09
Ground Water (GW)

LONG BEACH WELL 09 04S/12W-06K02SR (SR)

LONG BEACH WELL 11
Ground Water (GW)

LONG BEACH WELL 11 04S/12W-06J02SR (SR)

NORTH LONG BEACH WELL 11SR (SR)

LONG BEACH WELL 12
Ground Water (GW)

LONG BEACH WELL 12 04S/12W-08M01SR (SR)

NORTH LONG BEACH WELL 12SR (SR)

WILSON WELL 01-A
Ground Water (GW)

WILSON WELL 01-A 04S/12W-23C01SR (SR)

WILSON WELL 01-ASR (SR)

WISE WELL 01-A
Ground Water (GW)

WISE WELL 01-A 04S/12W-24M08SR (SR)

WISE WELL 01-ASR (SR)

CITIZENS WELL 10
Ground Water (GW)

CITIZENS WELL 10 04S/12W-20K01SR (SR)

CITIZENS WELL 10SR (SR)

COMMISSION WELL 19
Ground Water (GW)

COMMISSION WELL 19 04S/12W-13B04SR (SR)

COMMISSION WELL 19SR (SR)

COMMISSION WELL 20
Ground Water (GW)

COMMISSION WELL 20 04S/12W-13H01SR (SR)

COMMISSION WELL 20SR (SR)

COMMISSION 21
Ground Water (GW)

COMMISSION 21SR (SR)

COMMISSION 22
Ground Water (GW)

COMMISSION 22SR (SR)

COMMISSION 23
Ground Water (GW)

COMMISSION 23SR (SR)

FAQ

Is City of Long Beach Water Dept. tap water safe to drink?

When was City of Long Beach Water Dept. last tested for water contamination?

The latest water samples were taken on January 18th, 2024.