Golden State Water Company - Southwest (CA) Water Quality

Golden State Water Company - Southwest is a large public water system in EPA region 09 that provides tap water for the 90017, 90044, 90045, 90059, 90220, 90248 - 90250, 90278, 90303, 90304, 90746 zip codes. It has 9 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.

Contaminants

1-butanol

1-butanol is a class of Alcohol that has a minimum reporting level of 2 µg/L and a reference level of 700 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of 1-butanol that were below unsafe concentration levels. Learn more about 1-butanol.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<2.0 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<2.0 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<2.0 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<2.0 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
9/17/2019
65 months ago
<2.0 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<2.0 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<2.0 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<2.0 µg/L
Below Reporting Level

2-methoxyethanol

2-methoxyethanol is a class of Alcohol that has a minimum reporting level of 0.4 µg/L and a reference level of 21 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.4 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.4 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.4 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.4 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
9/17/2019
65 months ago
<0.4 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.4 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.4 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.4 µg/L
Below Reporting Level

2-propen-1-ol (Allyl Alcohol)

2-propen-1-ol (Allyl Alcohol) is a class of Alcohol that has a minimum reporting level of 0.5 µg/L and a reference level of 35 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.5 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.5 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.5 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.5 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
9/17/2019
65 months ago
<0.5 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.5 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.5 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.5 µg/L
Below Reporting Level

HAA5 (five regulated haloacetic acids)

HAA5 (five regulated haloacetic acids) are a class of Disinfection Byproducts that includes Dibromoacetic Acid, Dichloroacetic Acid, Monobromoacetic Acid, Monochloroacetic Acid, Trichloroacetic Acid and has a minimum reporting level of 0.5 µg/L and a reference level of 60 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 9.38 µg/L. Learn more about HAA5 (five regulated haloacetic acids).

SW 31 3902 W. 108th St, Inglewood
Southwest DBPs
5/14/2019
69 months ago
9.38 µg/L
Meets Reporting Threshold
SW 7 17542 Lysander Dr, Carson
Southwest DBPs
5/14/2019
69 months ago
7.76 µg/L
Meets Reporting Threshold
SW 28 1201 W. 92nd St, Los Angeles
Southwest DBPs
5/14/2019
69 months ago
5.05 µg/L
Meets Reporting Threshold
SW 14 1720 W. 154th St, Compton
Southwest DBPs
5/14/2019
69 months ago
6.79 µg/L
Meets Reporting Threshold
SW 34 10608 Truro Ave, Lennox
Southwest DBPs
5/14/2019
69 months ago
6.41 µg/L
Meets Reporting Threshold
SW 26 1502 W. 111th St, Los Angeles
Southwest DBPs
5/14/2019
69 months ago
5.61 µg/L
Meets Reporting Threshold
SW 36 9516 Redfern, Inglewood
Southwest DBPs
5/14/2019
69 months ago
6.52 µg/L
Meets Reporting Threshold
SW 41 4424 W. 170th St, Lawndale
Southwest DBPs
5/14/2019
69 months ago
5.73 µg/L
Meets Reporting Threshold
SW 53 4878 W. 140th St, Hawthorne
Southwest DBPs
5/14/2019
69 months ago
5.05 µg/L
Meets Reporting Threshold
SW 44 13601 Kornblum Ave, Hawthorne
Southwest DBPs
5/14/2019
69 months ago
5.52 µg/L
Meets Reporting Threshold
SW 2 1450 W. 146th St, Gardena
Southwest DBPs
5/14/2019
69 months ago
3.2 µg/L
Meets Reporting Threshold
SW 12 346 E. 157th St, Gardena
Southwest DBPs
5/14/2019
69 months ago
6.39 µg/L
Meets Reporting Threshold

HAA6Br (six brominated haloacetic acids)

HAA6Br (six brominated haloacetic acids) are a class of Disinfection Byproducts that includes Bromochloroacetic Acid, Bromodichloroacetic Acid, Dibromoacetic Acid, Dibromochloroacetic Acid, Monobromoacetic Acid, Tribromoacetic Acid and has a minimum reporting level of 0 µg/L and is a potential threat to human health. Learn more about HAA6Br (six brominated haloacetic acids).

SW 31 3902 W. 108th St, Inglewood
Southwest DBPs
5/14/2019
69 months ago
9.68 µg/L
SW 7 17542 Lysander Dr, Carson
Southwest DBPs
5/14/2019
69 months ago
8.39 µg/L
SW 28 1201 W. 92nd St, Los Angeles
Southwest DBPs
5/14/2019
69 months ago
6.28 µg/L
SW 14 1720 W. 154th St, Compton
Southwest DBPs
5/14/2019
69 months ago
7.21 µg/L
SW 34 10608 Truro Ave, Lennox
Southwest DBPs
5/14/2019
69 months ago
7.9 µg/L
SW 26 1502 W. 111th St, Los Angeles
Southwest DBPs
5/14/2019
69 months ago
7.23 µg/L
SW 36 9516 Redfern, Inglewood
Southwest DBPs
5/14/2019
69 months ago
8.16 µg/L
SW 41 4424 W. 170th St, Lawndale
Southwest DBPs
5/14/2019
69 months ago
6.99 µg/L
SW 53 4878 W. 140th St, Hawthorne
Southwest DBPs
5/14/2019
69 months ago
6.34 µg/L
SW 44 13601 Kornblum Ave, Hawthorne
Southwest DBPs
5/14/2019
69 months ago
7.34 µg/L
SW 2 1450 W. 146th St, Gardena
Southwest DBPs
5/14/2019
69 months ago
4.84 µg/L
SW 12 346 E. 157th St, Gardena
Southwest DBPs
5/14/2019
69 months ago
6.72 µg/L

HAA9 (nine haloacetic acids)

HAA9 (nine haloacetic acids) are a class of Disinfection Byproducts that includes Bromochloroacetic Acid, Bromodichloroacetic Acid, Chlorodibromoacetic Acid, Dibromoacetic Acid, Dichloroacetic Acid, Monobromoacetic Acid, Monochloroacetic Acid, Tribromoacetic Acid, Trichloroacetic Acid and has a minimum reporting level of 0 µg/L and is a potential threat to human health. Learn more about HAA9 (nine haloacetic acids).

SW 31 3902 W. 108th St, Inglewood
Southwest DBPs
5/14/2019
69 months ago
15.6 µg/L
SW 7 17542 Lysander Dr, Carson
Southwest DBPs
5/14/2019
69 months ago
13.15 µg/L
SW 28 1201 W. 92nd St, Los Angeles
Southwest DBPs
5/14/2019
69 months ago
8.18 µg/L
SW 14 1720 W. 154th St, Compton
Southwest DBPs
5/14/2019
69 months ago
11.58 µg/L
SW 34 10608 Truro Ave, Lennox
Southwest DBPs
5/14/2019
69 months ago
11.1 µg/L
SW 26 1502 W. 111th St, Los Angeles
Southwest DBPs
5/14/2019
69 months ago
9.53 µg/L
SW 36 9516 Redfern, Inglewood
Southwest DBPs
5/14/2019
69 months ago
11.26 µg/L
SW 41 4424 W. 170th St, Lawndale
Southwest DBPs
5/14/2019
69 months ago
9.29 µg/L
SW 53 4878 W. 140th St, Hawthorne
Southwest DBPs
5/14/2019
69 months ago
8.24 µg/L
SW 44 13601 Kornblum Ave, Hawthorne
Southwest DBPs
5/14/2019
69 months ago
9.54 µg/L
SW 2 1450 W. 146th St, Gardena
Southwest DBPs
5/14/2019
69 months ago
6.14 µg/L
SW 12 346 E. 157th St, Gardena
Southwest DBPs
5/14/2019
69 months ago
10.9 µg/L

alpha-hexachlorocyclohexane

alpha-hexachlorocyclohexane is a chemical contaminant that has a reference level of 0.006 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of alpha-hexachlorocyclohexane that were below unsafe concentration levels. Learn more about alpha-hexachlorocyclohexane.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.01 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.01 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.01 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.01 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
10/28/2019
64 months ago
<0.01 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.01 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.01 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.01 µg/L
Below Reporting Level

anatoxin-a

anatoxin-a is a chemical contaminant that is a potential threat to human health. Learn more about anatoxin-a.

West Basin 2A Treated
West Basin 2A
11/16/2020
51 months ago
<0.03 µg/L
Below Reporting Level

Butylated Hydroxyanisole

Butylated Hydroxyanisole is a chemical contaminant that is a potential threat to human health. Learn more about Butylated Hydroxyanisole.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.03 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.03 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.03 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.03 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
9/17/2019
65 months ago
<0.03 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.03 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.03 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.03 µg/L
Below Reporting Level

chlorpyrifos

chlorpyrifos is a chemical contaminant that has a reference level of 2 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.03 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.03 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.03 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.03 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
10/28/2019
64 months ago
<0.03 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.03 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.03 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.03 µg/L
Below Reporting Level

cylindrospermopsin

cylindrospermopsin is a chemical contaminant that has a reference level of 0.7 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of cylindrospermopsin that were below unsafe concentration levels. Learn more about cylindrospermopsin.

West Basin 2A Treated
West Basin 2A
11/16/2020
51 months ago
<0.09 µg/L
Below Reporting Level

dimethipin

dimethipin is a chemical contaminant that has a reference level of 140 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.2 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.2 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.2 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.2 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
10/28/2019
64 months ago
<0.2 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.2 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.2 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.2 µg/L
Below Reporting Level

ethoprop

ethoprop is a chemical contaminant that has a reference level of 1.14 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.03 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.03 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.03 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.03 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
10/28/2019
64 months ago
<0.03 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.03 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.03 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.03 µg/L
Below Reporting Level

Germanium

Germanium is a chemical contaminant that is a potential threat to human health. Learn more about Germanium.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.3 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.3 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.3 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.3 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
9/17/2019
65 months ago
<0.3 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.3 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.3 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.3 µg/L
Below Reporting Level

Manganese

Manganese is a chemical contaminant that has a reference level of 300 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 16 µg/L. Learn more about Manganese.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
.52 µg/L
Meets Reporting Threshold
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.4 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
12 µg/L
Meets Reporting Threshold
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
8.2 µg/L
Meets Reporting Threshold
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
9/17/2019
65 months ago
<0.4 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
1.5 µg/L
Meets Reporting Threshold
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
.46 µg/L
Meets Reporting Threshold
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
16 µg/L
Meets Reporting Threshold

o-toluidine

o-toluidine is a chemical contaminant that is a potential threat to human health. Learn more about o-toluidine.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.007 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.007 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.007 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.007 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
9/17/2019
65 months ago
<0.007 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.007 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.007 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.007 µg/L
Below Reporting Level

oxyfluorfen

oxyfluorfen is a chemical contaminant that has a reference level of 200 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.05 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.05 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.05 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.05 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
10/28/2019
64 months ago
<0.05 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.05 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.05 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.05 µg/L
Below Reporting Level

profenofos

profenofos is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.3 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.3 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.3 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.3 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
10/28/2019
64 months ago
<0.3 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.3 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.3 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.3 µg/L
Below Reporting Level

quinoline

quinoline is a chemical contaminant that has a reference level of 0.01 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of quinoline that were below unsafe concentration levels. Learn more about quinoline.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.02 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.02 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.02 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.02 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
9/17/2019
65 months ago
<0.02 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.02 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.02 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.02 µg/L
Below Reporting Level

tebuconazole

tebuconazole is a chemical contaminant that has a reference level of 190 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.2 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.2 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.2 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.2 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
10/28/2019
64 months ago
<0.2 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.2 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.2 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.2 µg/L
Below Reporting Level

Total Microcystin

Total Microcystin is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of Total Microcystin that were below unsafe concentration levels. Learn more about Total Microcystin.

West Basin 2A Treated
West Basin 2A
11/16/2020
51 months ago
<0.3 µg/L
Below Reporting Level

Total Permethrin

Total Permethrin is a chemical contaminant that has a reference level of 3.344 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of Total Permethrin that were below unsafe concentration levels. Learn more about Total Permethrin.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.04 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.04 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.04 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.04 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
10/28/2019
64 months ago
<0.04 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.04 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.04 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.04 µg/L
Below Reporting Level

tribufos

tribufos is a chemical contaminant that has a reference level of 0.6 µg/L. All the latest water samples for Golden State Water Company - Southwest showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.

West Basin 2A Treated
West Basin 2A
5/14/2019
69 months ago
<0.07 µg/L
Below Reporting Level
Southern Well 5 Treated
Southern Well 5
2/12/2019
72 months ago
<0.07 µg/L
Below Reporting Level
Dalton Well 2 Treated
Dalton Well 2
2/12/2019
72 months ago
<0.07 µg/L
Below Reporting Level
Dalton Well 1 Treated
Dalton Well 1
11/25/2020
51 months ago
<0.07 µg/L
Below Reporting Level
Doty Wells 1 & 2 Treated
Doty Wells 1 & 2 Combined
10/28/2019
64 months ago
<0.07 µg/L
Below Reporting Level
Southern Well 6 Treated
Southern Well 6
10/29/2019
64 months ago
<0.07 µg/L
Below Reporting Level
Goldmedal Well 1 Treated
Goldmedal Well 1
9/27/2019
65 months ago
<0.07 µg/L
Below Reporting Level
Belhaven Well 3 Treated
Belhaven Well 3
2/12/2019
72 months ago
<0.07 µg/L
Below Reporting Level

Sampling Facilities

Facility NameWater Type/Source
West Basin 2ASurface Water (SW)
Southern Well 5Ground Water (GW)
Dalton Well 2Ground Water (GW)
Dalton Well 1Ground Water (GW)
Doty Wells 1 & 2 CombinedGround Water (GW)
Southern Well 6Ground Water (GW)
Goldmedal Well 1Ground Water (GW)
Belhaven Well 3Ground Water (GW)
Southwest DBPsMultiple sources (MX)

FAQ

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

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

The latest water samples were taken between February 12th, 2019 and November 25th, 2020.