Widefield WSD (CO) Water Quality

Widefield WSD is a large public water system in EPA region 8 that provides tap water for the 80817, 80925 zip codes. It has 37 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of 1-butanol was 6.88 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 34.716 µg/L. The maximum reported level of Manganese was 149 µg/L. There were 3 contamintants found in the Widefield WSD water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
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
anatoxin-a
bromochloromethane (Halon 1011)
bromomethane
Butylated Hydroxyanisole
chlorate
chlorodifluoromethane (HCFC-22)
chloromethane
chlorpyrifos
chromium
chromium-6
cobalt
cylindrospermopsin
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 microcystins
Total Permethrin
tribufos
vanadium

1,1-dichloroethane (17)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.03 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

1,2,3-trichloropropane (17)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.03 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

1,3-butadiene (17)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.1 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.1 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.1 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.1 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.1 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.1 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.1 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.1 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.1 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.1 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.1 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.1 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.1 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.1 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.1 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.1 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.1 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

1,4-dioxane (17)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

0.072 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.002 µg/L

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.07 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.13 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.06 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.085 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.015 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.07 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.13 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.06 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.12 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.05 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.11 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.04 µg/L

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.07 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.11 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.04 µg/L

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.07 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.07 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.093 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.023 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.081 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.011 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.07 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

0.07 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0 µg/L

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.07 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

1-butanol (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<2 µg/L

Below Reporting Level

4/2/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

6.88 µg/L

Meets Reporting Threshold

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<2 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<2 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<2 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<2 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<2 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<2 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<2 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<2 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

2,4-dinitrotoluene (20)

W1 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

2,6-dinitrotoluene (20)

W1 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

2-methoxyethanol (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.4 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.4 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.4 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.4 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.4 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.4 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.4 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.4 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.4 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.4 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

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

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.5 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.5 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.5 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.5 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.5 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.5 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.5 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.5 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.5 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.5 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (20)

W1 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<0.8 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<0.8 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<0.8 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<0.8 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<0.8 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<0.8 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<0.8 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<0.8 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.002 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.002 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.002 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.002 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.002 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.002 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.002 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.002 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.002 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.002 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.002 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

alpha-hexachlorocyclohexane (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.01 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.01 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.01 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.01 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.01 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.01 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.01 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.01 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.01 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.01 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

anatoxin-a (8)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

11/20/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

10/17/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

10/1/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

9/4/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2018

7 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2018

7 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (17)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.06 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.06 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.06 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.06 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.06 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.06 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.06 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.06 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.06 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.06 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.06 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.06 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.06 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.06 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.06 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.06 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.06 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

bromomethane (17)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.2 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

Butylated Hydroxyanisole (9)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2018

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.03 µg/L

Below Reporting Level

8/16/2018

7 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

chlorate (49)

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

78 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

76 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

74 µg/L

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

8/11/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

62 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

60 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

60 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

59 µg/L

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

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<20 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<20 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

290 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 270 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

99 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 79 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<20 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

110 µg/L

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

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

36 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 16 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

28 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 8 µg/L

5/14/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

43 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 23 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

41 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 21 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

39 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 19 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

25 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 5 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

25 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 5 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

25 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 5 µg/L

5/13/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

25 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 5 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

5/13/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<20 µg/L

Below Reporting Level

2/24/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<20 µg/L

Below Reporting Level

2/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

390 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 370 µg/L

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<20 µg/L

Below Reporting Level

11/19/2013

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

46 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 26 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

11/18/2013

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

11/18/2013

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

11/18/2013

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<20 µg/L

Below Reporting Level

11/18/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L

11/13/2013

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

57 µg/L

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

11/13/2013

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

56 µg/L

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

11/13/2013

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

55 µg/L

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

11/13/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

68 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 48 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<20 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<20 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L

11/6/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<20 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (17)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.08 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.08 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.08 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.08 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.08 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.08 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.08 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.08 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.08 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.08 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.08 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.08 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.08 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.08 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.08 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.08 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.08 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

chloromethane (17)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.2 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

chlorpyrifos (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.03 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

chromium (49)

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

1.1 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

0.45 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.25 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.38 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

0.25 µg/L

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

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.46 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.26 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.37 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.17 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.37 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.17 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.29 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.09 µg/L

5/14/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

0.63 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.43 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.5 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

0.49 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.29 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

2/24/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.76 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.56 µg/L

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2013

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

0.41 µg/L

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

11/18/2013

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

0.32 µg/L

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

11/18/2013

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.01 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2013

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.32 µg/L

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

11/13/2013

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2013

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2013

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.52 µg/L

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

11/12/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.5 µg/L

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

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.34 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.14 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

0.27 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.07 µg/L

11/6/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

0.26 µg/L

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

11/6/2013

11 years ago

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

Contaminant Details

chromium-6 (49)

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.38 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.4 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

0.39 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.36 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.18 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

0.11 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

0.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.07 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

0.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.07 µg/L

8/11/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

0.09 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.06 µg/L

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

0.032 µg/L

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

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.48 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.45 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.14 µg/L

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

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

0.11 µg/L

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

5/19/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.32 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.29 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.24 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.21 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.23 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.2 µg/L

5/14/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

0.62 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.59 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.45 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.42 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

0.44 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.41 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

0.13 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

0.12 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

0.11 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

0.11 µg/L

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

5/13/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

0.11 µg/L

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

5/13/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.16 µg/L

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

2/19/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

0.16 µg/L

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

2/19/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

0.037 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.007 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.12 µg/L

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

12/17/2013

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

0.093 µg/L

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

12/17/2013

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

0.045 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.015 µg/L

12/17/2013

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

12/17/2013

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

12/17/2013

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.55 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.52 µg/L

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.24 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.21 µg/L

11/13/2013

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2013

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2013

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.36 µg/L

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

11/12/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.27 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.16 µg/L

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

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

0.11 µg/L

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

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

0.089 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.059 µg/L

11/6/2013

11 years ago

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

Contaminant Details

cobalt (49)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<1 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<1 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<1 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<1 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<1 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<1 µg/L

Below Reporting Level

5/14/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<1 µg/L

Below Reporting Level

2/24/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<1 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<1 µg/L

Below Reporting Level

11/19/2013

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/18/2013

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/18/2013

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/18/2013

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/18/2013

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/18/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<1 µg/L

Below Reporting Level

11/13/2013

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/13/2013

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/13/2013

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<1 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<1 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<1 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<1 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<1 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

cylindrospermopsin (8)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

11/20/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

11/6/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

10/17/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

10/1/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

9/17/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

9/4/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2018

7 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2018

7 years ago

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

Contaminant Details

dimethipin (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.2 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (20)

W1 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

ethoprop (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.03 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

Germanium (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.3 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (15)

#11

Distribution System ℹ️

34.716 µg/L

⚠️ Exceeds 50% of Reference Level

4/2/2019

6 years ago

Distribution System ℹ️

29.326 µg/L

Meets Reporting Threshold

4/2/2019

6 years ago

#10

Distribution System ℹ️

27.924 µg/L

Meets Reporting Threshold

4/2/2019

6 years ago

Distribution System ℹ️

27.327 µg/L

Meets Reporting Threshold

4/2/2019

6 years ago

#11

Distribution System ℹ️

23.459 µg/L

Meets Reporting Threshold

1/16/2019

6 years ago

Distribution System ℹ️

6.664 µg/L

Meets Reporting Threshold

1/16/2019

6 years ago

Distribution System ℹ️

1.613 µg/L

Meets Reporting Threshold

1/16/2019

6 years ago

#10

Distribution System ℹ️

19.756 µg/L

Meets Reporting Threshold

10/22/2018

6 years ago

#11

Distribution System ℹ️

15.24 µg/L

Meets Reporting Threshold

10/22/2018

6 years ago

Distribution System ℹ️

1.28 µg/L

Meets Reporting Threshold

10/22/2018

6 years ago

Distribution System ℹ️

1.14 µg/L

Meets Reporting Threshold

10/22/2018

6 years ago

#10

Distribution System ℹ️

14.722 µg/L

Meets Reporting Threshold

7/27/2018

7 years ago

#11

Distribution System ℹ️

14.61 µg/L

Meets Reporting Threshold

7/27/2018

7 years ago

Distribution System ℹ️

6.05 µg/L

Meets Reporting Threshold

7/27/2018

7 years ago

Distribution System ℹ️

1.52 µg/L

Meets Reporting Threshold

7/27/2018

7 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (15)

#11

Distribution System ℹ️

13.386 µg/L

4/2/2019

6 years ago

#10

Distribution System ℹ️

13.154 µg/L

4/2/2019

6 years ago

Distribution System ℹ️

12.436 µg/L

4/2/2019

6 years ago

Distribution System ℹ️

11.97 µg/L

4/2/2019

6 years ago

#11

Distribution System ℹ️

13.109 µg/L

1/16/2019

6 years ago

Distribution System ℹ️

5.459 µg/L

1/16/2019

6 years ago

Distribution System ℹ️

2.066 µg/L

1/16/2019

6 years ago

#11

Distribution System ℹ️

12.26 µg/L

10/22/2018

6 years ago

#10

Distribution System ℹ️

11.196 µg/L

10/22/2018

6 years ago

Distribution System ℹ️

2.783 µg/L

10/22/2018

6 years ago

Distribution System ℹ️

2.466 µg/L

10/22/2018

6 years ago

#11

Distribution System ℹ️

9.95 µg/L

7/27/2018

7 years ago

#10

Distribution System ℹ️

8.908 µg/L

7/27/2018

7 years ago

Distribution System ℹ️

5.466 µg/L

7/27/2018

7 years ago

Distribution System ℹ️

2.367 µg/L

7/27/2018

7 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (15)

#11

Distribution System ℹ️

46.986 µg/L

4/2/2019

6 years ago

Distribution System ℹ️

40.536 µg/L

4/2/2019

6 years ago

#10

Distribution System ℹ️

39.854 µg/L

4/2/2019

6 years ago

Distribution System ℹ️

38.17 µg/L

4/2/2019

6 years ago

#11

Distribution System ℹ️

34.849 µg/L

1/16/2019

6 years ago

Distribution System ℹ️

10.129 µg/L

1/16/2019

6 years ago

Distribution System ℹ️

2.589 µg/L

1/16/2019

6 years ago

#10

Distribution System ℹ️

29.136 µg/L

10/22/2018

6 years ago

#11

Distribution System ℹ️

23.76 µg/L

10/22/2018

6 years ago

Distribution System ℹ️

2.783 µg/L

10/22/2018

6 years ago

Distribution System ℹ️

2.466 µg/L

10/22/2018

6 years ago

#11

Distribution System ℹ️

21.52 µg/L

7/27/2018

7 years ago

#10

Distribution System ℹ️

21.148 µg/L

7/27/2018

7 years ago

Distribution System ℹ️

9.126 µg/L

7/27/2018

7 years ago

Distribution System ℹ️

2.367 µg/L

7/27/2018

7 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

lithium (24)

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

34.1 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 25.1 µg/L

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

15.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 6.9 µg/L

2/20/2024

18 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

14.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 5.9 µg/L

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW2R ℹ️

78.6 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 69.6 µg/L

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

72.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 63.4 µg/L

11/8/2023

22 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

70.5 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 61.5 µg/L

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

41.1 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 32.1 µg/L

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

38.5 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 29.5 µg/L

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

38.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 29.4 µg/L

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

35.5 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 26.5 µg/L

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

12.7 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 3.7 µg/L

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

11.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 2.9 µg/L

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

35.8 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 26.8 µg/L

8/15/2023

24 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<9 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<9 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point

Chlorinator for JHW2R ℹ️

75 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 66 µg/L

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

63.7 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 54.7 µg/L

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

27.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 18.4 µg/L

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

14 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 5 µg/L

5/25/2023

2 years ago

Entry Point to Dist. System

Well JHW4 ℹ️

69.6 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 60.6 µg/L

5/24/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

28.5 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 19.5 µg/L

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

27 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 18 µg/L

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

25.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 16.9 µg/L

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

13.5 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 4.5 µg/L

5/24/2023

2 years ago

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

Contaminant Details

Manganese (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

0.582 µg/L

Meets Reporting Threshold

4/2/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

149 µg/L

Meets Reporting Threshold

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

31 µg/L

Meets Reporting Threshold

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.4 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.4 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.4 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

0.412 µg/L

Meets Reporting Threshold

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

21.5 µg/L

Meets Reporting Threshold

7/24/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

9.35 µg/L

Meets Reporting Threshold

7/16/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.4 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (20)

W1 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<5 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<5 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<5 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<5 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<5 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<5 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<5 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<5 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

molinate (20)

W1 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<0.9 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<0.9 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<0.9 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<0.9 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<0.9 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<0.9 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<0.9 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<0.9 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

molybdenum (49)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

3.8 µg/L

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

8/11/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

3.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

3.2 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

3.2 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

3 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

3 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

1.7 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

1.6 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.4 µg/L

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<1 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

1.8 µg/L

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

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L

5/14/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.9 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

3.7 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

3.7 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.6 µg/L

5/13/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.6 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L

5/13/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

5.2 µg/L

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

2/24/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

5.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.9 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

5.8 µg/L

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

2/19/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

5.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.7 µg/L

2/19/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

5.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.7 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

5.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.6 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

5.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.5 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

5.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.5 µg/L

2/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<1 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

5.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.6 µg/L

11/19/2013

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

5.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.7 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

5.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.7 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

5.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.6 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

5.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.5 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

5.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.5 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

5.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.9 µg/L

11/13/2013

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

5.8 µg/L

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

11/13/2013

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

5.8 µg/L

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

11/13/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

2 µg/L

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

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

1.8 µg/L

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

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L

11/6/2013

11 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.006 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.006 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.006 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.006 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.006 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.006 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.006 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.006 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.006 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.006 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.006 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.006 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.006 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.006 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.006 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.006 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

nitrobenzene (20)

W1 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<10 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<10 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<10 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<10 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<10 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<10 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<10 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<10 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.02 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.02 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.02 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.02 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.02 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.02 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.02 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.02 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.02 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.02 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.02 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.02 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.02 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.02 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.02 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.02 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.02 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.02 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.02 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.02 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

o-toluidine (9)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.007 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.007 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.007 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.007 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.007 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.007 µg/L

Below Reporting Level

10/18/2018

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.007 µg/L

Below Reporting Level

8/16/2018

7 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.007 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.007 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

oxyfluorfen (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.05 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.05 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.05 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.05 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.05 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.05 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.05 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.05 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.05 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.05 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

perchlorate (20)

W1 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<4 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<4 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<4 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<4 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<4 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<4 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<4 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<4 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluorobutanesulfonic acid (41)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.013 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.01 µg/L

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0167 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0137 µg/L

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

0.0091 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0061 µg/L

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0151 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0121 µg/L

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

0.0107 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0077 µg/L

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0095 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0065 µg/L

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.09 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.09 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.09 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.09 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.09 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.09 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.09 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.09 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.09 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.09 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.09 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.09 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.09 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

perfluorobutanoic acid (24)

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0277 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0227 µg/L

2/20/2024

18 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

0.0377 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0327 µg/L

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0321 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0271 µg/L

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

0.0276 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0226 µg/L

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

0.0271 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0221 µg/L

11/8/2023

22 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0107 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0057 µg/L

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0311 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0261 µg/L

8/15/2023

24 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0312 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0262 µg/L

5/25/2023

2 years ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0107 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0057 µg/L

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

0.005 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0 µg/L

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.005 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

0.042 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.037 µg/L

5/24/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

0.0323 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0273 µg/L

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

0.0237 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0187 µg/L

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.005 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluorodecanoic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluorododecanoic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluoroheptanesulfonic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluoroheptanoic acid (41)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.01 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.011 µg/L

⚠️ Exceeds Reporting Level of 0.01 µg/L by 0.001 µg/L

6/19/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.01 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.024 µg/L

⚠️ Exceeds Reporting Level of 0.01 µg/L by 0.014 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.01 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.024 µg/L

⚠️ Exceeds Reporting Level of 0.01 µg/L by 0.014 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.022 µg/L

⚠️ Exceeds Reporting Level of 0.01 µg/L by 0.012 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.02 µg/L

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

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.01 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.016 µg/L

⚠️ Exceeds Reporting Level of 0.01 µg/L by 0.006 µg/L

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.01 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.01 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.019 µg/L

⚠️ Exceeds Reporting Level of 0.01 µg/L by 0.009 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.018 µg/L

⚠️ Exceeds Reporting Level of 0.01 µg/L by 0.008 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.01 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

0.018 µg/L

⚠️ Exceeds Reporting Level of 0.01 µg/L by 0.008 µg/L

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.01 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (41)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0139 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0109 µg/L

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0284 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0254 µg/L

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

0.0158 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0128 µg/L

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0272 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0242 µg/L

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

0.0192 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0162 µg/L

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0121 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0091 µg/L

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.069 µg/L

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

6/19/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.3 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.03 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.27 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.24 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.16 µg/L

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

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.13 µg/L

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

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.075 µg/L

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

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.046 µg/L

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

11/13/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.19 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.18 µg/L

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

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.071 µg/L

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

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.18 µg/L

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.03 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

perfluorohexanoic acid (24)

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0147 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0117 µg/L

2/20/2024

18 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0041 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0011 µg/L

1/9/2024

20 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

0.1406 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.1376 µg/L

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

0.0628 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0598 µg/L

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

0.0216 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0186 µg/L

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0144 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0114 µg/L

11/8/2023

22 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0048 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0018 µg/L

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.005 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.002 µg/L

8/15/2023

24 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0054 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0024 µg/L

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0042 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0012 µg/L

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

0.119 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.116 µg/L

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

0.0039 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0009 µg/L

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluorononanoic acid (41)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.02 µg/L

Below Reporting Level

6/19/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.02 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.02 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.02 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.02 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.02 µg/L

Below Reporting Level

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.02 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.02 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.02 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.02 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.02 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.02 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (41)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0079 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0039 µg/L

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.008 µg/L

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

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0158 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0118 µg/L

5/25/2023

2 years ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0079 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0039 µg/L

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.04 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.049 µg/L

⚠️ Exceeds Reporting Level of 0.04 µg/L by 0.009 µg/L

6/19/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.04 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.051 µg/L

⚠️ Exceeds Reporting Level of 0.04 µg/L by 0.011 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.04 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.04 µg/L by 0.17 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.18 µg/L

⚠️ Exceeds Reporting Level of 0.04 µg/L by 0.14 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.057 µg/L

⚠️ Exceeds Reporting Level of 0.04 µg/L by 0.017 µg/L

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.04 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.042 µg/L

⚠️ Exceeds Reporting Level of 0.04 µg/L by 0.002 µg/L

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.04 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.04 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.04 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.04 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.04 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.04 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.04 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

perfluorooctanoic acid (41)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0074 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0034 µg/L

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.01 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.006 µg/L

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0105 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0065 µg/L

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0085 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0045 µg/L

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.021 µg/L

⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.001 µg/L

6/19/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.045 µg/L

⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.025 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.02 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.048 µg/L

⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.028 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.036 µg/L

⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.016 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.036 µg/L

⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.016 µg/L

5/14/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

2/24/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

0.024 µg/L

⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.004 µg/L

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

11/19/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

0.037 µg/L

⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.017 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

0.031 µg/L

⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.011 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.02 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

0.03 µg/L

⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.01 µg/L

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.02 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.004 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0048 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0008 µg/L

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0053 µg/L

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

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.004 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.004 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluoropentanoic acid (24)

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0915 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0885 µg/L

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

0.0051 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0021 µg/L

2/20/2024

18 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0035 µg/L

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

1/9/2024

20 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

0.1089 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.1059 µg/L

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0934 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0904 µg/L

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

0.081 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.078 µg/L

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

0.0809 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0779 µg/L

11/8/2023

22 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0046 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0016 µg/L

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0811 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0781 µg/L

8/15/2023

24 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

0.0483 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0453 µg/L

5/25/2023

2 years ago

Entry Point to Dist. System

Well JHW4 ℹ️

0.0054 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0024 µg/L

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

0.0043 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0013 µg/L

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.003 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

0.0995 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0965 µg/L

5/24/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

0.0963 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0933 µg/L

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.003 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluorotetradecanoic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.008 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.008 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.008 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.008 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.008 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.008 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.008 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.008 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.008 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.008 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.008 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.008 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.008 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.008 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.008 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.008 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluorotridecanoic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.007 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.007 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.007 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.007 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.007 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.007 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.007 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.007 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.007 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.007 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.007 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.007 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.007 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.007 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.007 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.007 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

perfluoroundecanoic acid (24)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.002 µg/L

Below Reporting Level

2/20/2024

18 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.002 µg/L

Below Reporting Level

2/20/2024

18 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.002 µg/L

Below Reporting Level

2/20/2024

18 months ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.002 µg/L

Below Reporting Level

1/9/2024

20 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Air Stripper #1 ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.002 µg/L

Below Reporting Level

11/8/2023

22 months ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.002 µg/L

Below Reporting Level

8/15/2023

24 months ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.002 µg/L

Below Reporting Level

8/15/2023

24 months ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.002 µg/L

Below Reporting Level

8/15/2023

24 months ago

Entry Point to Dist. System

Well JHW4 ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW2R ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

EP from Security Water Dept.

Security Water Dept. Connection ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.002 µg/L

Below Reporting Level

5/25/2023

2 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.002 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Air Stripper #1 ℹ️

<0.002 µg/L

Below Reporting Level

5/24/2023

2 years ago

EPTDS from Fountain Water

Fountain Water Connection ℹ️

<0.002 µg/L

Below Reporting Level

5/24/2023

2 years ago

Entry Point

Drinking Water Mitigation Facility ℹ️

<0.002 µg/L

Below Reporting Level

5/24/2023

2 years ago

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

Contaminant Details

profenofos (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.3 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

quinoline (9)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.02 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.02 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.02 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

10/18/2018

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.02 µg/L

Below Reporting Level

8/16/2018

7 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.02 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.02 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (20)

W1 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<1 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<1 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

strontium (49)

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

460 µg/L

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

8/11/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

400 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 399.7 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

390 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L

8/11/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

340 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

320 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 319.7 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

310 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 309.7 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

310 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 309.7 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

310 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 309.7 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

300 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

490 µg/L

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

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

420 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 419.7 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

420 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 419.7 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 369.7 µg/L

5/19/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

500 µg/L

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

5/14/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

460 µg/L

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

5/14/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

430 µg/L

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

5/14/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

480 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

470 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 469.7 µg/L

5/13/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

470 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 469.7 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

460 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

440 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

390 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

380 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 379.7 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 369.7 µg/L

5/13/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

530 µg/L

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

2/24/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

570 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 569.7 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

560 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 559.7 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

560 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 559.7 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

550 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 549.7 µg/L

2/19/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

550 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 549.7 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

540 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 539.7 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

540 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 539.7 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

530 µg/L

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

2/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

360 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 359.7 µg/L

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

490 µg/L

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

11/19/2013

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

490 µg/L

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

11/18/2013

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

490 µg/L

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

11/18/2013

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

490 µg/L

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

11/18/2013

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

460 µg/L

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

11/18/2013

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

440 µg/L

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

11/18/2013

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

520 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 519.7 µg/L

11/13/2013

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

500 µg/L

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

11/13/2013

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

490 µg/L

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

11/13/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

470 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 469.7 µg/L

11/13/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

480 µg/L

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

11/12/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

400 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 399.7 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

400 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 399.7 µg/L

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

400 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 399.7 µg/L

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

390 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L

11/6/2013

11 years ago

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

Contaminant Details

tebuconazole (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.2 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.2 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.2 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

terbacil (20)

W1 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W2 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-1

Treatment for C1 Well ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W7 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

E2 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

C-3

C3 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

C36 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W4 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW5 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW 3

JHW 3 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW2 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

JHW1 ℹ️

<2 µg/L

Below Reporting Level

7/24/2003

22 years ago

W3 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

W7 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

W4 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW5 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW2 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW1 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

JHW4 ℹ️

<2 µg/L

Below Reporting Level

1/22/2003

22 years ago

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

Contaminant Details

total microcystins (8)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

11/20/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

11/6/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

10/17/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

10/1/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

9/17/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

9/4/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

8/20/2018

7 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2018

7 years ago

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

Contaminant Details

Total Permethrin (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.04 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.04 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.04 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.04 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.04 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.04 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.04 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.04 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.04 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.04 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

tribufos (10)

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.07 µg/L

Below Reporting Level

4/2/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.07 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.07 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.07 µg/L

Below Reporting Level

1/8/2019

6 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.07 µg/L

Below Reporting Level

1/8/2019

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.07 µg/L

Below Reporting Level

10/18/2018

6 years ago

EP from Fountain Valley

Fountain Valley Connection ℹ️

<0.07 µg/L

Below Reporting Level

7/25/2018

7 years ago

Entry Point

Chlorinator for JHW4R Well ℹ️

<0.07 µg/L

Below Reporting Level

7/24/2018

7 years ago

Entry Point

Chlorinator & Aeration for Wells C1 & AN ℹ️

<0.07 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point

Chlorinator for JHW5R Well ℹ️

<0.07 µg/L

Below Reporting Level

7/16/2018

7 years ago

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

Contaminant Details

vanadium (49)

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

0.83 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.63 µg/L

8/11/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

0.73 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.53 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

0.68 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.48 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

0.67 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.47 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

0.63 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.43 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

0.51 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.31 µg/L

8/11/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

8/11/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

0.67 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.47 µg/L

5/27/2014

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.2 µg/L

Below Reporting Level

5/19/2014

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L

5/14/2014

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

0.56 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.36 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

0.52 µg/L

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

5/13/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

0.52 µg/L

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

5/13/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

0.49 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.29 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

0.46 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.26 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.01 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.01 µg/L

5/13/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

0.65 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.45 µg/L

2/24/2014

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

0.72 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.52 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

0.72 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.52 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

0.71 µg/L

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

2/19/2014

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

0.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.5 µg/L

2/19/2014

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

0.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.5 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

0.68 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.48 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.66 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.46 µg/L

2/19/2014

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

0.65 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.45 µg/L

2/19/2014

11 years ago

EPTDS from Chlorinator & Aeration for Wells W1

Chlorinator & Aeration for Wells W1 ℹ️

<0.2 µg/L

Below Reporting Level

11/20/2013

11 years ago

EPTDS from Fountain Valley Authority

Fountain Valley Connection ℹ️

0.88 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.68 µg/L

11/19/2013

11 years ago

DSMRT for Chlorinator for C36 Well

Distribution System ℹ️

0.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for W4 Well

Distribution System ℹ️

0.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for E2 Well

Distribution System ℹ️

0.85 µg/L

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

11/18/2013

11 years ago

DSMRT for Chlorinator for W7 Well

Distribution System ℹ️

0.74 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.54 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for W3 Well

Distribution System ℹ️

0.67 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.47 µg/L

11/18/2013

11 years ago

DSMRT for Chlorinator for JHW5 Well

Distribution System ℹ️

0.96 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.76 µg/L

11/13/2013

11 years ago

DSMRT for Chlorinator & Aeration for Wells W1

Distribution System ℹ️

0.95 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.75 µg/L

11/13/2013

11 years ago

DSMRT for Fountain Valley Authority

Distribution System ℹ️

0.95 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.75 µg/L

11/13/2013

11 years ago

EPTDS from Chlorinator for E2 Well

Chlorinator for E2 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2013

11 years ago

EPTDS from Chlorinator for W3 Well

Chlorinator for W3 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W7 Well

Chlorinator for W7 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for W4 Well

Chlorinator for W4 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2013

11 years ago

EPTDS from Chlorinator for C36 Well

Chlorinator for C36 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2013

11 years ago

EPTDS from Chlorinator for JHW5 Well

Chlorinator for JHW5 Well ℹ️

<0.2 µg/L

Below Reporting Level

11/6/2013

11 years ago

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

Contaminant Details

Sampling Facilities

Well JHW4
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Fountain Valley Connection
Surface Water (SW)

EP from Fountain ValleyEntry Point to the Distribution System (EP)

EPTDS from Fountain Valley AuthorityEntry Point to the Distribution System (EP)

Chlorinator & Aeration for Wells C1 & AN
Ground Water (GW)

Entry PointEntry Point to the Distribution System (EP)

Chlorinator for JHW2R
Ground Water (GW)

Entry PointEntry Point to the Distribution System (EP)

Air Stripper #1
Ground Water (GW)

Entry PointEntry Point to the Distribution System (EP)

Security Water Dept. Connection
Multiple Sources (MX)

EP from Security Water Dept.Entry Point to the Distribution System (EP)

Fountain Water Connection
Multiple Sources (MX)

EPTDS from Fountain WaterEntry Point to the Distribution System (EP)

Drinking Water Mitigation Facility
Ground Water (GW)

Entry PointEntry Point to the Distribution System (EP)

Chlorinator for JHW5R Well
Ground Water (GW)

Entry PointEntry Point to the Distribution System (EP)

Chlorinator for JHW4R Well
Ground Water (GW)

Entry PointEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

#4Distribution System (DS)

#11Distribution System (DS)

#10Distribution System (DS)

#9Distribution System (DS)

Chlorinator for W3 Well
Ground Water (GW)

EPTDS from Chlorinator for W3 WellEntry Point to the Distribution System (EP)

Chlorinator for W7 Well
Ground Water (GW)

EPTDS from Chlorinator for W7 WellEntry Point to the Distribution System (EP)

Chlorinator for E2 Well
Ground Water (GW)

EPTDS from Chlorinator for E2 WellEntry Point to the Distribution System (EP)

Chlorinator for C36 Well
Ground Water (GW)

EPTDS from Chlorinator for C36 WellEntry Point to the Distribution System (EP)

Chlorinator for W4 Well
Ground Water (GW)

EPTDS from Chlorinator for W4 WellEntry Point to the Distribution System (EP)

Chlorinator for JHW5 Well
Ground Water (GW)

EPTDS from Chlorinator for JHW5 WellEntry Point to the Distribution System (EP)

Chlorinator & Aeration for Wells W1
Ground Water (GW)

EPTDS from Chlorinator & Aeration for Wells W1Entry Point to the Distribution System (EP)

Distribution System
Multiple Sources (MX)

DSMRT for Chlorinator for W3 WellMaximum Residence Time (MR)

DSMRT for Chlorinator for W7 WellMaximum Residence Time (MR)

DSMRT for Chlorinator for E2 WellMaximum Residence Time (MR)

DSMRT for Chlorinator for C36 WellMaximum Residence Time (MR)

DSMRT for Chlorinator for W4 WellMaximum Residence Time (MR)

DSMRT for Chlorinator for JHW5 WellMaximum Residence Time (MR)

DSMRT for Chlorinator & Aeration for Wells W1Maximum Residence Time (MR)

DSMRT for Fountain Valley AuthorityMaximum Residence Time (MR)

Treatment for C1 Well
Ground Water (GW)

EP - Treatment for C1 WellEntry Point to the Distribution System (EP)

C-1Entry Point to the Distribution System (EP)

Chlorinator for C3 Well
Ground Water (GW)

EP - Chlorinator for C3 WellEntry Point to the Distribution System (EP)

Chlorinator for JHW3 Well
Ground Water (GW)

EP - Chlorinator for JHW3 WellEntry Point to the Distribution System (EP)

Chlorinator for JHW2 Well
Ground Water (GW)

EP - Chlorinator for JHW2 WellEntry Point to the Distribution System (EP)

Chlorinator for JHW1 Well
Ground Water (GW)

EP - Chlorinator for JHW1 WellEntry Point to the Distribution System (EP)

W1
Ground Water (GW)

W1Entry Point to the Distribution System (EP)

W2
Ground Water (GW)

W2Entry Point to the Distribution System (EP)

W3
Ground Water (GW)

Entry Point to the Distribution System (EP)

W7
Ground Water (GW)

Entry Point to the Distribution System (EP)

E2
Ground Water (GW)

Entry Point to the Distribution System (EP)

C3
Ground Water (GW)

C-3Entry Point to the Distribution System (EP)

C36
Ground Water (GW)

Entry Point to the Distribution System (EP)

W4
Ground Water (GW)

Entry Point to the Distribution System (EP)

JHW5
Ground Water (GW)

Entry Point to the Distribution System (EP)

JHW 3
Ground Water (GW)

JHW 3Entry Point to the Distribution System (EP)

JHW2
Ground Water (GW)

Entry Point to the Distribution System (EP)

JHW1
Ground Water (GW)

Entry Point to the Distribution System (EP)

JHW4
Ground Water (GW)

Entry Point to the Distribution System (EP)

FAQ

Is Widefield WSD tap water safe to drink?

When was Widefield WSD last tested for water contamination?

The latest water samples were taken on February 20th, 2024.