Golden State Water Company - Artesia (CA) Water Quality

Golden State Water Company - Artesia is a large public water system in EPA region 9 that provides tap water for the 90630, 90703, 90716, 90808 zip codes. It has 16 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 5.4 µg/L. The maximum reported level of Manganese was 3 µg/L. There were 2 contamintants found in the Golden State Water Company - Artesia water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

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

1,1-dichloroethane (10)

Roseton 1 EP

Roseton 1 ℹ️

0.054 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.024 µg/L

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

0.043 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.013 µg/L

3/12/2013

12 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

1,2,3-trichloropropane (10)

Massinger Plant EP

Massinger Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

1,3-butadiene (10)

Massinger Plant EP

Massinger Plant ℹ️

<0.1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

1,4-dioxane (10)

Roseton 1 EP

Roseton 1 ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 4.33 µg/L

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 2.83 µg/L

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.07 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.07 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.07 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

4.5 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 4.43 µg/L

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

3 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 2.93 µg/L

3/12/2013

12 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.07 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.07 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.07 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

1-butanol (5)

Juan Plant EP

Juan Plant ℹ️

<2 µg/L

Below Reporting Level

7/11/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<2 µg/L

Below Reporting Level

7/11/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<2 µg/L

Below Reporting Level

7/11/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<2 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

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

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

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

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

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

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

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

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

2,4-dinitrotoluene (12)

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<2 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<2 µg/L

Below Reporting Level

2/19/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<2 µg/L

Below Reporting Level

2/6/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

2,6-dinitrotoluene (12)

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<2 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<2 µg/L

Below Reporting Level

2/19/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<2 µg/L

Below Reporting Level

2/6/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

2-methoxyethanol (5)

Juan Plant EP

Juan Plant ℹ️

<0.4 µg/L

Below Reporting Level

7/11/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.4 µg/L

Below Reporting Level

7/11/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.4 µg/L

Below Reporting Level

7/11/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (5)

Juan Plant EP

Juan Plant ℹ️

<0.5 µg/L

Below Reporting Level

7/11/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.5 µg/L

Below Reporting Level

7/11/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.5 µg/L

Below Reporting Level

7/11/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.5 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.5 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (12)

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<0.8 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<0.8 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<0.8 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<0.8 µg/L

Below Reporting Level

2/19/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<0.8 µg/L

Below Reporting Level

2/6/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

1/27/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<0.8 µg/L

Below Reporting Level

1/16/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

1/16/2003

22 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

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

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

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

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.002 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.002 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.002 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.002 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.002 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.002 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.002 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

alpha-hexachlorocyclohexane (10)

Juan Plant EP

Juan Plant ℹ️

<0.01 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.01 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.01 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.01 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.01 µg/L

Below Reporting Level

11/5/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.01 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.01 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.01 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.01 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.01 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (10)

Massinger Plant EP

Massinger Plant ℹ️

<0.06 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.06 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.06 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.06 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.06 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

bromomethane (10)

Massinger Plant EP

Massinger Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

Butylated Hydroxyanisole (10)

Juan Plant EP

Juan Plant ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

12/19/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

chlorate (16)

Massinger Plant EP

Massinger Plant ℹ️

250 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 230 µg/L

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

240 µg/L

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

9/11/2013

11 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

240 µg/L

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

9/11/2013

11 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L

9/11/2013

11 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

130 µg/L

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

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

120 µg/L

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

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

89 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 69 µg/L

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

240 µg/L

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

3/12/2013

12 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

240 µg/L

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

3/12/2013

12 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

210 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 190 µg/L

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

180 µg/L

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

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

150 µg/L

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

3/12/2013

12 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

150 µg/L

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

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

64 µg/L

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

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

50 µg/L

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

3/12/2013

12 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (10)

Massinger Plant EP

Massinger Plant ℹ️

<0.08 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.08 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.08 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.08 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.08 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

chloromethane (10)

Massinger Plant EP

Massinger Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

chlorpyrifos (10)

Juan Plant EP

Juan Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

chromium (16)

Roseton 1 EP

Roseton 1 ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

0.31 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.11 µg/L

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

0.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.4 µg/L

3/12/2013

12 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

0.43 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.23 µg/L

3/12/2013

12 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

chromium-6 (16)

Roseton 1 EP

Roseton 1 ℹ️

1.1 µg/L

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

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

0.36 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.33 µg/L

9/11/2013

11 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

0.14 µg/L

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

9/11/2013

11 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

0.11 µg/L

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

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

0.087 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.057 µg/L

9/11/2013

11 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

0.071 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.041 µg/L

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

1.1 µg/L

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

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

0.4 µg/L

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

3/12/2013

12 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

0.12 µg/L

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

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

0.094 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.064 µg/L

3/12/2013

12 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

0.064 µg/L

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

3/12/2013

12 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

cobalt (16)

Massinger Plant EP

Massinger Plant ℹ️

<1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<1 µg/L

Below Reporting Level

9/11/2013

11 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/11/2013

11 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/11/2013

11 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<1 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<1 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<1 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<1 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<1 µg/L

Below Reporting Level

3/12/2013

12 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

3/12/2013

12 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

3/12/2013

12 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

<1 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

dimethipin (10)

Juan Plant EP

Juan Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

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

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<1 µg/L

Below Reporting Level

10/13/2004

20 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<1 µg/L

Below Reporting Level

10/13/2004

20 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<1 µg/L

Below Reporting Level

10/13/2004

20 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

10/13/2004

20 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<1 µg/L

Below Reporting Level

10/13/2004

20 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<1 µg/L

Below Reporting Level

10/13/2004

20 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<1 µg/L

Below Reporting Level

5/25/2004

21 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<1 µg/L

Below Reporting Level

5/19/2004

21 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<1 µg/L

Below Reporting Level

5/19/2004

21 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

5/19/2004

21 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<1 µg/L

Below Reporting Level

5/19/2004

21 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<1 µg/L

Below Reporting Level

5/19/2004

21 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<1 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<1 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<1 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/25/2003

22 years ago

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

Contaminant Details

ethoprop (10)

Juan Plant EP

Juan Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

Germanium (9)

Juan Plant EP

Juan Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (8)

22127 Arline Ave.

Stage 2 DBP ℹ️

5.4 µg/L

Meets Reporting Threshold

11/6/2018

6 years ago

Across from 3871 Kinmount St.

Stage 2 DBP ℹ️

5.2 µg/L

Meets Reporting Threshold

11/6/2018

6 years ago

12415 224th St.

Stage 2 DBP ℹ️

4.46 µg/L

Meets Reporting Threshold

11/6/2018

6 years ago

18502 Gridley Rd.

Stage 2 DBP ℹ️

0.4 µg/L

Meets Reporting Threshold

11/6/2018

6 years ago

Across from 3871 Kinmount St.

Stage 2 DBP ℹ️

5 µg/L

Meets Reporting Threshold

5/30/2018

7 years ago

12415 224th St.

Stage 2 DBP ℹ️

4.67 µg/L

Meets Reporting Threshold

5/30/2018

7 years ago

22127 Arline Ave.

Stage 2 DBP ℹ️

4.6 µg/L

Meets Reporting Threshold

5/30/2018

7 years ago

18502 Gridley Rd.

Stage 2 DBP ℹ️

0.4 µg/L

Meets Reporting Threshold

5/30/2018

7 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (8)

22127 Arline Ave.

Stage 2 DBP ℹ️

8.1 µg/L

11/6/2018

6 years ago

Across from 3871 Kinmount St.

Stage 2 DBP ℹ️

8.1 µg/L

11/6/2018

6 years ago

12415 224th St.

Stage 2 DBP ℹ️

7.26 µg/L

11/6/2018

6 years ago

18502 Gridley Rd.

Stage 2 DBP ℹ️

3 µg/L

11/6/2018

6 years ago

Across from 3871 Kinmount St.

Stage 2 DBP ℹ️

9.5 µg/L

5/30/2018

7 years ago

22127 Arline Ave.

Stage 2 DBP ℹ️

9 µg/L

5/30/2018

7 years ago

12415 224th St.

Stage 2 DBP ℹ️

8.87 µg/L

5/30/2018

7 years ago

18502 Gridley Rd.

Stage 2 DBP ℹ️

3.76 µg/L

5/30/2018

7 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (8)

22127 Arline Ave.

Stage 2 DBP ℹ️

12.5 µg/L

11/6/2018

6 years ago

Across from 3871 Kinmount St.

Stage 2 DBP ℹ️

12.3 µg/L

11/6/2018

6 years ago

12415 224th St.

Stage 2 DBP ℹ️

10.86 µg/L

11/6/2018

6 years ago

18502 Gridley Rd.

Stage 2 DBP ℹ️

3 µg/L

11/6/2018

6 years ago

Across from 3871 Kinmount St.

Stage 2 DBP ℹ️

13.4 µg/L

5/30/2018

7 years ago

22127 Arline Ave.

Stage 2 DBP ℹ️

12.6 µg/L

5/30/2018

7 years ago

12415 224th St.

Stage 2 DBP ℹ️

12.57 µg/L

5/30/2018

7 years ago

18502 Gridley Rd.

Stage 2 DBP ℹ️

3.76 µg/L

5/30/2018

7 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

lithium (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<9 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<9 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<9 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<9 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<9 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<9 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<9 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<9 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<9 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<9 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

Manganese (9)

Juan Plant EP

Juan Plant ℹ️

2.8 µg/L

Meets Reporting Threshold

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

2.3 µg/L

Meets Reporting Threshold

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.4 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.4 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.4 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

3 µg/L

Meets Reporting Threshold

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.4 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (12)

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<5 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<5 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<5 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<5 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<5 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<5 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<5 µg/L

Below Reporting Level

2/19/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<5 µg/L

Below Reporting Level

2/6/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<5 µg/L

Below Reporting Level

1/27/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<5 µg/L

Below Reporting Level

1/16/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<5 µg/L

Below Reporting Level

1/16/2003

22 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<5 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

molinate (12)

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<0.9 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<0.9 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<0.9 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<0.9 µg/L

Below Reporting Level

2/19/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<0.9 µg/L

Below Reporting Level

2/6/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

1/27/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<0.9 µg/L

Below Reporting Level

1/16/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

1/16/2003

22 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

molybdenum (16)

Hawaiian Plant EP

Hawaiian Plant ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 17 µg/L

9/11/2013

11 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

14 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 13 µg/L

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 12 µg/L

9/11/2013

11 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

12 µg/L

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

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

9.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 8.2 µg/L

9/11/2013

11 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

9.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 8.2 µg/L

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

3 µg/L

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

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

2.8 µg/L

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

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 17 µg/L

3/12/2013

12 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 12 µg/L

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

12 µg/L

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

3/12/2013

12 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

11 µg/L

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

3/12/2013

12 years ago

Massinger Plant EP

Massinger Plant ℹ️

10 µg/L

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

3/12/2013

12 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

10 µg/L

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

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

2.9 µg/L

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

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

2.7 µg/L

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

3/12/2013

12 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.006 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.006 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.006 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.006 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.006 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.006 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.006 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.006 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.006 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

nitrobenzene (12)

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<10 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<10 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<10 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<10 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<10 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<10 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<10 µg/L

Below Reporting Level

2/19/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<10 µg/L

Below Reporting Level

2/6/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<10 µg/L

Below Reporting Level

1/27/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<10 µg/L

Below Reporting Level

1/16/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<10 µg/L

Below Reporting Level

1/16/2003

22 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<10 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.02 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.02 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.02 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.02 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.02 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.02 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.02 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.02 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.02 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

o-toluidine (10)

Juan Plant EP

Juan Plant ℹ️

<0.007 µg/L

Below Reporting Level

12/19/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.007 µg/L

Below Reporting Level

12/19/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.007 µg/L

Below Reporting Level

12/19/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.007 µg/L

Below Reporting Level

12/19/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.007 µg/L

Below Reporting Level

12/19/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.007 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.007 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.007 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.007 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.007 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

oxyfluorfen (10)

Juan Plant EP

Juan Plant ℹ️

<0.05 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.05 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.05 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.05 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.05 µg/L

Below Reporting Level

11/5/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.05 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.05 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.05 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.05 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.05 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

perchlorate (12)

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<4 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<4 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<4 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<4 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<4 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<4 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<4 µg/L

Below Reporting Level

2/19/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<4 µg/L

Below Reporting Level

2/6/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<4 µg/L

Below Reporting Level

1/27/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<4 µg/L

Below Reporting Level

1/16/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<4 µg/L

Below Reporting Level

1/16/2003

22 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<4 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.004 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.004 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.004 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluorobutanesulfonic acid (20)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.09 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.09 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.09 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.09 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.09 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

perfluorobutanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.005 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.005 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluorodecanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluorododecanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluoroheptanesulfonic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluoroheptanoic acid (20)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.01 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.01 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.01 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.01 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.01 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (20)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

0.0034 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0004 µg/L

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

0.0033 µg/L

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

1/19/2023

2 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

perfluorohexanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluorononanoic acid (20)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.004 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.004 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.004 µg/L

Below Reporting Level

1/19/2023

2 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (20)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

0.011 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.007 µg/L

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

0.013 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.009 µg/L

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

0.0099 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0059 µg/L

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

0.011 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.007 µg/L

1/19/2023

2 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.04 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.04 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.04 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.04 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.04 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

perfluorooctanoic acid (20)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.004 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.004 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.004 µg/L

Below Reporting Level

1/19/2023

2 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2013

12 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.004 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.004 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.004 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluoropentanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.003 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.003 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluorotetradecanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.008 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.008 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.008 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.008 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.008 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.008 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.008 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.008 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.008 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluorotridecanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.007 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.007 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.007 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.007 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.007 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.007 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.007 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.007 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.007 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

perfluoroundecanoic acid (10)

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.002 µg/L

Below Reporting Level

12/4/2024

9 months ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.002 µg/L

Below Reporting Level

6/6/2024

15 months ago

Juan Plant EP

Juan Plant ℹ️

<0.002 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.002 µg/L

Below Reporting Level

6/3/2024

15 months ago

Centralia Plant EP

Centralia Plant ℹ️

<0.002 µg/L

Below Reporting Level

12/11/2023

21 months ago

Juan Plant EP

Juan Plant ℹ️

<0.002 µg/L

Below Reporting Level

12/6/2023

21 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Roseton 1 EP

Roseton 1 ℹ️

<0.002 µg/L

Below Reporting Level

7/21/2023

25 months ago

Roseton 2 EP

Roseton 2 ℹ️

<0.002 µg/L

Below Reporting Level

5/31/2023

2 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.002 µg/L

Below Reporting Level

1/19/2023

2 years ago

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

Contaminant Details

profenofos (10)

Juan Plant EP

Juan Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.3 µg/L

Below Reporting Level

11/5/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.3 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

quinoline (10)

Juan Plant EP

Juan Plant ℹ️

<0.02 µg/L

Below Reporting Level

12/19/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.02 µg/L

Below Reporting Level

12/19/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.02 µg/L

Below Reporting Level

12/19/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.02 µg/L

Below Reporting Level

12/19/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.02 µg/L

Below Reporting Level

12/19/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.02 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.02 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (12)

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<1 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<1 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<1 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<1 µg/L

Below Reporting Level

2/19/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<1 µg/L

Below Reporting Level

2/6/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<1 µg/L

Below Reporting Level

1/27/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<1 µg/L

Below Reporting Level

1/16/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<1 µg/L

Below Reporting Level

1/16/2003

22 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<1 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

strontium (16)

Roseton 1 EP

Roseton 1 ℹ️

650 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 649.7 µg/L

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

640 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 639.7 µg/L

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

510 µg/L

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

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

490 µg/L

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

9/11/2013

11 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

490 µg/L

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

9/11/2013

11 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

480 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 479.7 µg/L

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

460 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 459.7 µg/L

9/11/2013

11 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

430 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 429.7 µg/L

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

630 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 629.7 µg/L

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

610 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 609.7 µg/L

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

530 µg/L

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

3/12/2013

12 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

510 µg/L

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

3/12/2013

12 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

490 µg/L

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

3/12/2013

12 years ago

Massinger Plant EP

Massinger Plant ℹ️

460 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 459.7 µg/L

3/12/2013

12 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

460 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 459.7 µg/L

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

450 µg/L

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

3/12/2013

12 years ago

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

Contaminant Details

tebuconazole (10)

Juan Plant EP

Juan Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.2 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

terbacil (12)

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/29/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<2 µg/L

Below Reporting Level

7/29/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/25/2003

22 years ago

CENTRALIA WELL 03 04S/11W-07L01

CENTRALIA WELL 03 ℹ️

<2 µg/L

Below Reporting Level

2/19/2003

22 years ago

JUAN WELL O4

JUAN WELL 04 ℹ️

<2 µg/L

Below Reporting Level

2/6/2003

22 years ago

MASSINGER WELL 01 04S/12W-12J01

MASSINGER WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/27/2003

22 years ago

CENTRALIA WELL 04 04S/11W-07L03

CENTRALIA WELL 04 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

HAWAIIAN WELL 01 04S/11W-07H02

HAWAIIAN WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

ROSETON WELL 01 03S/12W-36B01

ROSETON WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/16/2003

22 years ago

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

Contaminant Details

Total Permethrin (10)

Juan Plant EP

Juan Plant ℹ️

<0.04 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.04 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.04 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.04 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.04 µg/L

Below Reporting Level

11/5/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.04 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.04 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.04 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.04 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.04 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

tribufos (10)

Juan Plant EP

Juan Plant ℹ️

<0.07 µg/L

Below Reporting Level

11/5/2018

6 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.07 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.07 µg/L

Below Reporting Level

11/5/2018

6 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.07 µg/L

Below Reporting Level

11/5/2018

6 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.07 µg/L

Below Reporting Level

11/5/2018

6 years ago

Juan Plant EP

Juan Plant ℹ️

<0.07 µg/L

Below Reporting Level

5/16/2018

7 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.07 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 1 EP

Roseton 1 ℹ️

<0.07 µg/L

Below Reporting Level

5/16/2018

7 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.07 µg/L

Below Reporting Level

5/16/2018

7 years ago

Roseton 2 EP

Roseton 2 ℹ️

<0.07 µg/L

Below Reporting Level

5/16/2018

7 years ago

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

Contaminant Details

vanadium (16)

Roseton 1 EP

Roseton 1 ℹ️

3.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3 µg/L

9/11/2013

11 years ago

Roseton 2 EP

Roseton 2 ℹ️

1.2 µg/L

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

9/11/2013

11 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

0.32 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.12 µg/L

9/11/2013

11 years ago

Massinger Plant EP

Massinger Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Centralia Plant EP

Centralia Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2013

11 years ago

Roseton 1 EP

Roseton 1 ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.6 µg/L

3/12/2013

12 years ago

Roseton 2 EP

Roseton 2 ℹ️

1.8 µg/L

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

3/12/2013

12 years ago

DSMRT for Centralia, Roseton (20510 Roseton)

Distribution System ℹ️

0.89 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.69 µg/L

3/12/2013

12 years ago

DSMRT for Hawaiian Plant (12524 Vandemere)

Distribution System ℹ️

0.57 µg/L

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

3/12/2013

12 years ago

Centralia Plant EP

Centralia Plant ℹ️

0.52 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.32 µg/L

3/12/2013

12 years ago

Hawaiian Plant EP

Hawaiian Plant ℹ️

0.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.3 µg/L

3/12/2013

12 years ago

DSMRT for Massinger Plant (21213 Longworth)

Distribution System ℹ️

0.4 µg/L

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

3/12/2013

12 years ago

Massinger Plant EP

Massinger Plant ℹ️

0.35 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.15 µg/L

3/12/2013

12 years ago

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

Contaminant Details

Sampling Facilities

Juan Plant
Ground Water (GW)

Juan Plant EPEntry Point to the Distribution System (EP)

Hawaiian Plant
Ground Water (GW)

Hawaiian Plant EPEntry Point to the Distribution System (EP)

Roseton 1
Ground Water (GW)

Roseton 1 EPEntry Point to the Distribution System (EP)

Centralia Plant
Ground Water (GW)

Centralia Plant EPEntry Point to the Distribution System (EP)

Roseton 2
Ground Water (GW)

Roseton 2 EPEntry Point to the Distribution System (EP)

Stage 2 DBP
Ground Water (GW)

12415 224th St.Distribution System (DS)

22127 Arline Ave.Distribution System (DS)

Across from 3871 Kinmount St.Distribution System (DS)

18502 Gridley Rd.Distribution System (DS)

Massinger Plant
Ground Water (GW)

Massinger Plant EPEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

DSMRT for Massinger Plant (21213 Longworth)Maximum Residence Time (MR)

DSMRT for Hawaiian Plant (12524 Vandemere)Maximum Residence Time (MR)

DSMRT for Centralia, Roseton (20510 Roseton)Maximum Residence Time (MR)

CITY OF CERRITOS (CB46) - 186TH & GRIDLEY- TREATED
Multiple Sources (MX)

City of Cerritos - 186th & Gridley - EPEntry Point to the Distribution System (EP)

CITY OF CERRITOS - 195TH & PIONEER - TREATED
Multiple Sources (MX)

City of Cerritos - 195th & Pioneer - EPEntry Point to the Distribution System (EP)

CENTRALIA WELL 03
Ground Water (GW)

CENTRALIA WELL 03 04S/11W-07L01SR (SR)

CENTRALIA WELL 04
Ground Water (GW)

CENTRALIA WELL 04 04S/11W-07L03SR (SR)

HAWAIIAN WELL 01
Ground Water (GW)

HAWAIIAN WELL 01 04S/11W-07H02SR (SR)

MASSINGER WELL 01
Ground Water (GW)

MASSINGER WELL 01 04S/12W-12J01SR (SR)

ROSETON WELL 01
Ground Water (GW)

ROSETON WELL 01 03S/12W-36B01SR (SR)

JUAN WELL 04
Ground Water (GW)

JUAN WELL O4SR (SR)

FAQ

Is Golden State Water Company - Artesia tap water safe to drink?

When was Golden State Water Company - Artesia last tested for water contamination?

The latest water samples were taken on December 4th, 2024.

Contaminants

1,1-dichloroethane (10)

1,2,3-trichloropropane (10)

1,3-butadiene (10)

1,4-dioxane (10)

1-butanol (5)

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

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

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

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

2,4-dinitrotoluene (12)

2,6-dinitrotoluene (12)

2-methoxyethanol (5)

2-propen-1-ol (Allyl Alcohol) (5)

4,4'-dichloro dichlorophenyl ethylene (DDE) (12)

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

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

alpha-hexachlorocyclohexane (10)

bromochloromethane (Halon 1011) (10)

bromomethane (10)

Butylated Hydroxyanisole (10)

chlorate (16)

chlorodifluoromethane (HCFC-22) (10)

chloromethane (10)

chlorpyrifos (10)

chromium (16)

chromium-6 (16)

cobalt (16)

dimethipin (10)

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

ethoprop (10)

Germanium (9)

HAA5 (five regulated haloacetic acids) (8)

HAA6Br (six brominated haloacetic acids) (8)

HAA9 (nine haloacetic acids) (8)

hexafluoropropylene oxide dimer acid (GenX) (10)

lithium (10)

Manganese (9)

methyl-tertiary-butyl-ether (MTBE) (12)

molinate (12)

molybdenum (16)

N-ethyl perfluorooctanesulfonamidoacetic acid (10)

N-methyl perfluorooctanesulfonamidoacetic acid (10)

nitrobenzene (12)

nonafluoro-3,6-dioxaheptanoic acid (10)

o-toluidine (10)

oxyfluorfen (10)

perchlorate (12)

perfluoro(2-ethoxyethane)sulfonic acid (10)

perfluoro-3-methoxypropanoic acid (10)

perfluoro-4-methoxybutanoic acid (10)

perfluorobutanesulfonic acid (20)

perfluorobutanoic acid (10)

perfluorodecanoic acid (10)

perfluorododecanoic acid (10)

perfluoroheptanesulfonic acid (10)

perfluoroheptanoic acid (20)

perfluorohexanesulfonic acid (20)

perfluorohexanoic acid (10)

perfluorononanoic acid (20)

perfluorooctanesulfonic acid (20)

perfluorooctanoic acid (20)

perfluoropentanesulfonic acid (10)

perfluoropentanoic acid (10)

perfluorotetradecanoic acid (10)

perfluorotridecanoic acid (10)

perfluoroundecanoic acid (10)

profenofos (10)

quinoline (10)

s-ethyl-dipropylthiocarbamate (EPTC) (12)

strontium (16)

tebuconazole (10)

terbacil (12)

Total Permethrin (10)

tribufos (10)

vanadium (16)

Sampling Facilities

Juan Plant Ground Water (GW)

Hawaiian Plant Ground Water (GW)

Roseton 1 Ground Water (GW)

Juan Plant
Ground Water (GW)

Hawaiian Plant
Ground Water (GW)

Roseton 1
Ground Water (GW)

Centralia Plant
Ground Water (GW)

Roseton 2
Ground Water (GW)

Stage 2 DBP
Ground Water (GW)

Massinger Plant
Ground Water (GW)

Distribution System
Ground Water (GW)

CITY OF CERRITOS (CB46) - 186TH & GRIDLEY- TREATED
Multiple Sources (MX)

CITY OF CERRITOS - 195TH & PIONEER - TREATED
Multiple Sources (MX)

CENTRALIA WELL 03
Ground Water (GW)

CENTRALIA WELL 04
Ground Water (GW)

HAWAIIAN WELL 01
Ground Water (GW)

MASSINGER WELL 01
Ground Water (GW)

ROSETON WELL 01
Ground Water (GW)

JUAN WELL 04
Ground Water (GW)