City of Lomita Water Dept. (CA) Water Quality

City of Lomita Water Dept. is a large public water system in EPA region 9 that provides tap water for the 90717 zip codes. It has 6 facilities where the water supply was tested for 68 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 8.21 µg/L. The maximum reported level of Manganese was 1.5 µg/L. There were 2 contamintants found in the City of Lomita Water Dept. water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (6)
1,2,3-trichloropropane (6)
1,3-butadiene (6)
1,4-dioxane (6)
1-butanol (3)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (1)
1H,1H,2H,2H-perfluorodecane sulfonic acid (1)
1H,1H,2H,2H-perfluorohexane sulfonic acid (1)
1H,1H,2H,2H-perfluorooctane sulfonic acid (1)
2-methoxyethanol (3)
2-propen-1-ol (Allyl Alcohol) (3)
4,8-dioxa-3H-perfluorononanoic acid (1)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (1)
alpha-hexachlorocyclohexane (4)
anatoxin-a (6)
bromochloromethane (Halon 1011) (6)
bromomethane (6)
Butylated Hydroxyanisole (4)
chlorate (12)
chlorodifluoromethane (HCFC-22) (6)
chloromethane (6)
chlorpyrifos (4)
chromium (12)
chromium-6 (12)
cobalt (12)
cylindrospermopsin (6)
dimethipin (4)
ethoprop (4)
Germanium (4)
HAA5 (five regulated haloacetic acids) (16)
HAA6Br (six brominated haloacetic acids) (16)
HAA9 (nine haloacetic acids) (16)
hexafluoropropylene oxide dimer acid (GenX) (1)
lithium (1)
Manganese (4)
molybdenum (12)
N-ethyl perfluorooctanesulfonamidoacetic acid (1)
N-methyl perfluorooctanesulfonamidoacetic acid (1)
nonafluoro-3,6-dioxaheptanoic acid (1)
o-toluidine (4)
oxyfluorfen (4)
perfluoro(2-ethoxyethane)sulfonic acid (1)
perfluoro-3-methoxypropanoic acid (1)
perfluoro-4-methoxybutanoic acid (1)
perfluorobutanesulfonic acid (7)
perfluorobutanoic acid (1)
perfluorodecanoic acid (1)
perfluorododecanoic acid (1)
perfluoroheptanesulfonic acid (1)
perfluoroheptanoic acid (7)
perfluorohexanesulfonic acid (7)
perfluorohexanoic acid (1)
perfluorononanoic acid (7)
perfluorooctanesulfonic acid (7)
perfluorooctanoic acid (7)
perfluoropentanesulfonic acid (1)
perfluoropentanoic acid (1)
perfluorotetradecanoic acid (1)
perfluorotridecanoic acid (1)
perfluoroundecanoic acid (1)
profenofos (4)
quinoline (4)
strontium (12)
tebuconazole (4)
total microcystins (8)
Total Permethrin (4)
tribufos (4)
vanadium (12)

1,1-dichloroethane (6)

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

1,2,3-trichloropropane (6)

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

1,3-butadiene (6)

EPTDS from MWD

MWD Intertie ℹ️

<0.1 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.1 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.1 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.1 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.1 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.1 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

1,4-dioxane (6)

EPTDS from MWD

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.07 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

0.48 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.41 µg/L

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

1-butanol (3)

WB-8 POE

WB-8 ℹ️

<2 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<2 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<2 µg/L

Below Reporting Level

10/9/2019

6 years ago

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

Contaminant Details

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

WB-8 POE

WB-8 ℹ️

<0.005 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

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

WB-8 POE

WB-8 ℹ️

<0.005 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

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

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

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

WB-8 POE

WB-8 ℹ️

<0.005 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

2-methoxyethanol (3)

WB-8 POE

WB-8 ℹ️

<0.4 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.4 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.4 µg/L

Below Reporting Level

10/9/2019

6 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (3)

WB-8 POE

WB-8 ℹ️

<0.5 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.5 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.5 µg/L

Below Reporting Level

10/9/2019

6 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

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

WB-8 POE

WB-8 ℹ️

<0.002 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (4)

WB-8 POE

WB-8 ℹ️

<0.01 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.01 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.01 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.01 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

anatoxin-a (6)

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

10/23/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

9/25/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

8/6/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

7/23/2019

6 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (6)

EPTDS from MWD

MWD Intertie ℹ️

<0.06 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.06 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.06 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.06 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.06 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.06 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

bromomethane (6)

EPTDS from MWD

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

0.43 µg/L

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

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from Well 5

Well 5 ℹ️

0.4 µg/L

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

8/13/2014

11 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

Butylated Hydroxyanisole (4)

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

chlorate (12)

DSMRT for MWD

Distribution System - SW ℹ️

100 µg/L

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

8/20/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

85 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 65 µg/L

5/28/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

71 µg/L

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

5/28/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

460 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 440 µg/L

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

250 µg/L

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

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

58 µg/L

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

2/18/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

48 µg/L

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

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

220 µg/L

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

12/17/2014

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

77 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 57 µg/L

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

55 µg/L

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

12/9/2014

10 years ago

EPTDS from Well 5

Well 5 ℹ️

810 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 790 µg/L

8/13/2014

11 years ago

EPTDS from MWD

MWD Intertie ℹ️

88 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 68 µg/L

8/13/2014

11 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (6)

EPTDS from MWD

MWD Intertie ℹ️

<0.08 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.08 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.08 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.08 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.08 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.08 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

chloromethane (6)

EPTDS from MWD

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from Well 5

Well 5 ℹ️

0.99 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.79 µg/L

8/13/2014

11 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

chlorpyrifos (4)

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

chromium (12)

DSMRT for MWD

Distribution System - SW ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L

8/20/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/28/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L

2/18/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

0.71 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.51 µg/L

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

0.4 µg/L

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

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

0.26 µg/L

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

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

0.38 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.18 µg/L

12/17/2014

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

0.85 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.65 µg/L

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

0.41 µg/L

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

12/9/2014

10 years ago

EPTDS from Well 5

Well 5 ℹ️

0.32 µg/L

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

8/13/2014

11 years ago

EPTDS from MWD

MWD Intertie ℹ️

0.28 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.08 µg/L

8/13/2014

11 years ago

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

Contaminant Details

chromium-6 (12)

DSMRT for MWD

Distribution System - SW ℹ️

0.044 µg/L

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

8/20/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

0.044 µg/L

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

5/28/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

0.043 µg/L

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

5/28/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

0.046 µg/L

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

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

0.042 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.012 µg/L

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

0.041 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.011 µg/L

2/18/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

0.04 µg/L

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

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

0.047 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.017 µg/L

12/17/2014

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.17 µg/L

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

0.16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.13 µg/L

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

0.066 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.036 µg/L

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

0.046 µg/L

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

8/13/2014

11 years ago

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

Contaminant Details

cobalt (12)

DSMRT for MWD

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

8/20/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<1 µg/L

Below Reporting Level

5/28/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

12/17/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<1 µg/L

Below Reporting Level

12/9/2014

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<1 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<1 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

cylindrospermopsin (6)

WB-8 POE

WB-8 ℹ️

<0.09 µg/L

Below Reporting Level

10/23/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.09 µg/L

Below Reporting Level

9/25/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.09 µg/L

Below Reporting Level

8/28/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.09 µg/L

Below Reporting Level

8/6/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.09 µg/L

Below Reporting Level

7/23/2019

6 years ago

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

Contaminant Details

dimethipin (4)

WB-8 POE

WB-8 ℹ️

<0.2 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.2 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.2 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.2 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

ethoprop (4)

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.03 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

Germanium (4)

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

252nd Street

Distribution System ℹ️

8.21 µg/L

Meets Reporting Threshold

4/7/2020

5 years ago

259th Street

Distribution System ℹ️

8.13 µg/L

Meets Reporting Threshold

4/7/2020

5 years ago

247th Street

Distribution System ℹ️

6.61 µg/L

Meets Reporting Threshold

4/7/2020

5 years ago

Appian Way

Distribution System ℹ️

6.3 µg/L

Meets Reporting Threshold

4/7/2020

5 years ago

259th Street

Distribution System ℹ️

4.7 µg/L

Meets Reporting Threshold

1/28/2020

5 years ago

Appian Way

Distribution System ℹ️

4.7 µg/L

Meets Reporting Threshold

1/28/2020

5 years ago

252nd Street

Distribution System ℹ️

4.4 µg/L

Meets Reporting Threshold

1/28/2020

5 years ago

247th Street

Distribution System ℹ️

4.2 µg/L

Meets Reporting Threshold

1/28/2020

5 years ago

247th Street

Distribution System ℹ️

6.4 µg/L

Meets Reporting Threshold

10/9/2019

6 years ago

259th Street

Distribution System ℹ️

5.7 µg/L

Meets Reporting Threshold

10/9/2019

6 years ago

252nd Street

Distribution System ℹ️

5.6 µg/L

Meets Reporting Threshold

10/9/2019

6 years ago

Appian Way

Distribution System ℹ️

5 µg/L

Meets Reporting Threshold

10/9/2019

6 years ago

247th Street

Distribution System ℹ️

7.14 µg/L

Meets Reporting Threshold

7/9/2019

6 years ago

259th Street

Distribution System ℹ️

6.79 µg/L

Meets Reporting Threshold

7/9/2019

6 years ago

Appian Way

Distribution System ℹ️

6.66 µg/L

Meets Reporting Threshold

7/9/2019

6 years ago

252nd Street

Distribution System ℹ️

6.34 µg/L

Meets Reporting Threshold

7/9/2019

6 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

252nd Street

Distribution System ℹ️

8.21 µg/L

4/7/2020

5 years ago

259th Street

Distribution System ℹ️

8.03 µg/L

4/7/2020

5 years ago

247th Street

Distribution System ℹ️

6.71 µg/L

4/7/2020

5 years ago

Appian Way

Distribution System ℹ️

6.4 µg/L

4/7/2020

5 years ago

252nd Street

Distribution System ℹ️

5.22 µg/L

1/28/2020

5 years ago

259th Street

Distribution System ℹ️

5.2 µg/L

1/28/2020

5 years ago

Appian Way

Distribution System ℹ️

5.12 µg/L

1/28/2020

5 years ago

247th Street

Distribution System ℹ️

4.83 µg/L

1/28/2020

5 years ago

259th Street

Distribution System ℹ️

6.54 µg/L

10/9/2019

6 years ago

247th Street

Distribution System ℹ️

6.52 µg/L

10/9/2019

6 years ago

252nd Street

Distribution System ℹ️

6.45 µg/L

10/9/2019

6 years ago

Appian Way

Distribution System ℹ️

6.1 µg/L

10/9/2019

6 years ago

247th Street

Distribution System ℹ️

7.02 µg/L

7/9/2019

6 years ago

259th Street

Distribution System ℹ️

6.75 µg/L

7/9/2019

6 years ago

Appian Way

Distribution System ℹ️

6.54 µg/L

7/9/2019

6 years ago

252nd Street

Distribution System ℹ️

6.47 µg/L

7/9/2019

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (16)

252nd Street

Distribution System ℹ️

14.31 µg/L

4/7/2020

5 years ago

259th Street

Distribution System ℹ️

14.03 µg/L

4/7/2020

5 years ago

247th Street

Distribution System ℹ️

11.51 µg/L

4/7/2020

5 years ago

Appian Way

Distribution System ℹ️

11.4 µg/L

4/7/2020

5 years ago

Appian Way

Distribution System ℹ️

7.32 µg/L

1/28/2020

5 years ago

259th Street

Distribution System ℹ️

7.3 µg/L

1/28/2020

5 years ago

252nd Street

Distribution System ℹ️

7.02 µg/L

1/28/2020

5 years ago

247th Street

Distribution System ℹ️

6.83 µg/L

1/28/2020

5 years ago

247th Street

Distribution System ℹ️

9.92 µg/L

10/9/2019

6 years ago

259th Street

Distribution System ℹ️

9.04 µg/L

10/9/2019

6 years ago

252nd Street

Distribution System ℹ️

8.75 µg/L

10/9/2019

6 years ago

Appian Way

Distribution System ℹ️

8 µg/L

10/9/2019

6 years ago

247th Street

Distribution System ℹ️

11.17 µg/L

7/9/2019

6 years ago

259th Street

Distribution System ℹ️

10.47 µg/L

7/9/2019

6 years ago

Appian Way

Distribution System ℹ️

10.24 µg/L

7/9/2019

6 years ago

252nd Street

Distribution System ℹ️

9.95 µg/L

7/9/2019

6 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (1)

WB-8 POE

WB-8 ℹ️

<0.005 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

lithium (1)

WB-8 POE

WB-8 ℹ️

67.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 58.4 µg/L

7/2/2024

16 months ago

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

Contaminant Details

Manganese (4)

WB-8 POE

WB-8 ℹ️

0.64 µg/L

Meets Reporting Threshold

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

0.73 µg/L

Meets Reporting Threshold

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

1.5 µg/L

Meets Reporting Threshold

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

1.4 µg/L

Meets Reporting Threshold

7/9/2019

6 years ago

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

Contaminant Details

molybdenum (12)

DSMRT for MWD

Distribution System - SW ℹ️

5.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.2 µg/L

8/20/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

4.9 µg/L

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

5/28/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

4.9 µg/L

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

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

4.8 µg/L

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

2/18/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

4.8 µg/L

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

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

3.8 µg/L

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

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

3.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

4.1 µg/L

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

12/17/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

5.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.2 µg/L

12/9/2014

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

4.8 µg/L

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

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

4.6 µg/L

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

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

3.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.7 µg/L

8/13/2014

11 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (1)

WB-8 POE

WB-8 ℹ️

<0.005 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (1)

WB-8 POE

WB-8 ℹ️

<0.006 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.02 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

o-toluidine (4)

WB-8 POE

WB-8 ℹ️

<0.007 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.007 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.007 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.007 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

oxyfluorfen (4)

WB-8 POE

WB-8 ℹ️

<0.05 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.05 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.05 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.05 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (1)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.004 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (7)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

EPTDS from MWD

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.09 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.09 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.09 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

perfluorobutanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.005 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluorodecanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluorododecanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (1)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluoroheptanoic acid (7)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

EPTDS from MWD

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.01 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (7)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.03 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

perfluorohexanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluorononanoic acid (7)

WB-8 POE

WB-8 ℹ️

<0.004 µg/L

Below Reporting Level

7/2/2024

16 months ago

EPTDS from MWD

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (7)

WB-8 POE

WB-8 ℹ️

<0.004 µg/L

Below Reporting Level

7/2/2024

16 months ago

EPTDS from MWD

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.04 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

perfluorooctanoic acid (7)

WB-8 POE

WB-8 ℹ️

<0.004 µg/L

Below Reporting Level

7/2/2024

16 months ago

EPTDS from MWD

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

<0.02 µg/L

Below Reporting Level

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (1)

WB-8 POE

WB-8 ℹ️

<0.004 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluoropentanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.003 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluorotetradecanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.008 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluorotridecanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.007 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

perfluoroundecanoic acid (1)

WB-8 POE

WB-8 ℹ️

<0.002 µg/L

Below Reporting Level

7/2/2024

16 months ago

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

Contaminant Details

profenofos (4)

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

quinoline (4)

WB-8 POE

WB-8 ℹ️

<0.02 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.02 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.02 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.02 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

strontium (12)

DSMRT for MWD

Distribution System - SW ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

8/20/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

5/28/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

1200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L

5/28/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

1100 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1099.7 µg/L

2/18/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

1100 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1099.7 µg/L

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

720 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 719.7 µg/L

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

440 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 439.7 µg/L

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

810 µg/L

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

12/17/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

950 µg/L

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

12/9/2014

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

790 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 789.7 µg/L

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

1100 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 1099.7 µg/L

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

500 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 499.7 µg/L

8/13/2014

11 years ago

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

Contaminant Details

tebuconazole (4)

WB-8 POE

WB-8 ℹ️

<0.2 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.2 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.2 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.2 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

total microcystins (8)

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

10/23/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

9/25/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

8/28/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

8/6/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

7/23/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.3 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

Total Permethrin (4)

WB-8 POE

WB-8 ℹ️

<0.04 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.04 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.04 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.04 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

tribufos (4)

WB-8 POE

WB-8 ℹ️

<0.07 µg/L

Below Reporting Level

4/7/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.07 µg/L

Below Reporting Level

1/28/2020

5 years ago

WB-8 POE

WB-8 ℹ️

<0.07 µg/L

Below Reporting Level

10/9/2019

6 years ago

WB-8 POE

WB-8 ℹ️

<0.07 µg/L

Below Reporting Level

7/9/2019

6 years ago

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

Contaminant Details

vanadium (12)

DSMRT for MWD

Distribution System - SW ℹ️

2.5 µg/L

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

8/20/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

2.6 µg/L

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

5/28/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

2.6 µg/L

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

5/28/2015

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

2.5 µg/L

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

2/18/2015

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

2.4 µg/L

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

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

1.1 µg/L

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

2/18/2015

10 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

DSMRT for Well 5

Distribution System - GW ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L

12/17/2014

10 years ago

DSMRT for MWD

Distribution System - SW ℹ️

6.3 µg/L

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

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.7 µg/L

12/9/2014

10 years ago

EPTDS from MWD

MWD Intertie ℹ️

2.9 µg/L

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

8/13/2014

11 years ago

EPTDS from Well 5

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

8/13/2014

11 years ago

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

Contaminant Details

Sampling Facilities

WB-8
Surface Water (SW)

WB-8 POEEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

259th StreetDistribution System (DS)

252nd StreetDistribution System (DS)

247th StreetDistribution System (DS)

Appian WayDistribution System (DS)

MWD Intertie
Surface Water (SW)

EPTDS from MWDEntry Point to the Distribution System (EP)

Well 5
Ground Water (GW)

EPTDS from Well 5Entry Point to the Distribution System (EP)

Distribution System - SW
Surface Water (SW)

DSMRT for MWDMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Well 5Maximum Residence Time (MR)

FAQ

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

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

The latest water samples were taken on July 2nd, 2024.

Contaminants

1,1-dichloroethane (6)

1,2,3-trichloropropane (6)

1,3-butadiene (6)

1,4-dioxane (6)

1-butanol (3)

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

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

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

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

2-methoxyethanol (3)

2-propen-1-ol (Allyl Alcohol) (3)

4,8-dioxa-3H-perfluorononanoic acid (1)

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

alpha-hexachlorocyclohexane (4)

anatoxin-a (6)

bromochloromethane (Halon 1011) (6)

bromomethane (6)

Butylated Hydroxyanisole (4)

chlorate (12)

chlorodifluoromethane (HCFC-22) (6)

chloromethane (6)

chlorpyrifos (4)

chromium (12)

chromium-6 (12)

cobalt (12)

cylindrospermopsin (6)

dimethipin (4)

ethoprop (4)

Germanium (4)

HAA5 (five regulated haloacetic acids) (16)

HAA6Br (six brominated haloacetic acids) (16)

HAA9 (nine haloacetic acids) (16)

hexafluoropropylene oxide dimer acid (GenX) (1)

lithium (1)

Manganese (4)

molybdenum (12)

N-ethyl perfluorooctanesulfonamidoacetic acid (1)

N-methyl perfluorooctanesulfonamidoacetic acid (1)

nonafluoro-3,6-dioxaheptanoic acid (1)

o-toluidine (4)

oxyfluorfen (4)

perfluoro(2-ethoxyethane)sulfonic acid (1)

perfluoro-3-methoxypropanoic acid (1)

perfluoro-4-methoxybutanoic acid (1)

perfluorobutanesulfonic acid (7)

perfluorobutanoic acid (1)

perfluorodecanoic acid (1)

perfluorododecanoic acid (1)

perfluoroheptanesulfonic acid (1)

perfluoroheptanoic acid (7)

perfluorohexanesulfonic acid (7)

perfluorohexanoic acid (1)

perfluorononanoic acid (7)

perfluorooctanesulfonic acid (7)

perfluorooctanoic acid (7)

perfluoropentanesulfonic acid (1)

perfluoropentanoic acid (1)

perfluorotetradecanoic acid (1)

perfluorotridecanoic acid (1)

perfluoroundecanoic acid (1)

profenofos (4)

quinoline (4)

strontium (12)

tebuconazole (4)

total microcystins (8)

Total Permethrin (4)

tribufos (4)

vanadium (12)

Sampling Facilities

WB-8 Surface Water (SW)

Distribution System Surface Water (SW)

MWD Intertie Surface Water (SW)

Well 5 Ground Water (GW)

Distribution System - SW Surface Water (SW)

Distribution System - GW Ground Water (GW)

FAQ

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

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

WB-8
Surface Water (SW)

Distribution System
Surface Water (SW)

MWD Intertie
Surface Water (SW)

Well 5
Ground Water (GW)

Distribution System - SW
Surface Water (SW)

Distribution System - GW
Ground Water (GW)