City of Norco (CA) Water Quality

City of Norco is a large public water system in EPA region 9 that provides tap water for the 92860 zip codes. It has 20 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 4.45 µg/L. The maximum reported level of Manganese was 420 µg/L. Some (2 of 13 or 15%) of the latest water samples showed levels of Manganese that were at or above unsafe concentration levels. There were 2 contamintants found in the City of Norco water supply at levels that were above the minimum reporting level. 1 of the contaminants were above the reference level, which means they may pose a risk to human health.

Contaminants

1,1-dichloroethane (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.1 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
500%
0.35 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.28 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
242.9%
0.17 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.1 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
200%
0.14 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.07 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
185.7%
0.13 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.06 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
157.1%
0.11 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.04 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
114.3%
0.08 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.01 µg/L
11/10/2014
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
242.9%
0.17 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.1 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.07 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
200%
0.14 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.07 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
185.7%
0.13 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.06 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
171.4%
0.12 µg/L
⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.05 µg/L
8/12/2014
11 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<2 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (10)

WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<2 µg/L
Below Reporting Level
6/10/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (10)

WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<2 µg/L
Below Reporting Level
6/10/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

2-propen-1-ol (Allyl Alcohol) (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/12/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (10)

WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<0.8 µg/L
Below Reporting Level
6/10/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<0.8 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<0.8 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<0.8 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<0.8 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<0.8 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<0.8 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<0.8 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<0.8 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<0.8 µg/L
Below Reporting Level
1/6/2004
21 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

anatoxin-a (8)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/6/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/18/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/20/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/7/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

bromochloromethane (Halon 1011) (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.06 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.06 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (28)

Entry Point to Dist. System
MWD Intertie ℹ️
1500%
300 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 280 µg/L
5/5/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
1200%
240 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 220 µg/L
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
550%
110 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 90 µg/L
2/10/2015
10 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
500%
100 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 80 µg/L
2/10/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
415%
83 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 63 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
315%
63 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 43 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
150%
30 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 10 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<20 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<20 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<20 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
0%
<20 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
0%
<20 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
0%
<20 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
0%
<20 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
700%
140 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L
11/10/2014
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
500%
100 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 80 µg/L
11/10/2014
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
950%
190 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 170 µg/L
8/26/2014
11 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
0%
<20 µg/L
Below Reporting Level
8/26/2014
11 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
950%
190 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 170 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
750%
150 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
295%
59 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 39 µg/L
8/20/2014
11 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
900%
180 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 160 µg/L
8/12/2014
11 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
255%
51 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 31 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<20 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<20 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<20 µg/L
Below Reporting Level
8/12/2014
11 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
0%
<20 µg/L
Below Reporting Level
8/12/2014
11 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
0%
<20 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.08 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.08 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/13/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (28)

DSMRT for MWD
Distribution System - SW ℹ️
210%
0.42 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.22 µg/L
5/5/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
305%
0.61 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.41 µg/L
2/10/2015
10 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
305%
0.61 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.41 µg/L
2/10/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
500%
1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L
2/3/2015
10 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
240%
0.48 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.28 µg/L
2/3/2015
10 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
220%
0.44 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.24 µg/L
2/3/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
150%
0.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
140%
0.28 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.08 µg/L
2/3/2015
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
140%
0.28 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.08 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
300%
0.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.4 µg/L
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
11/10/2014
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
175%
0.35 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.15 µg/L
8/26/2014
11 years ago
DSMRT for MWD
Distribution System - SW ℹ️
160%
0.32 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.12 µg/L
8/26/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
450%
0.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.7 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
330%
0.66 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.46 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/20/2014
11 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
400%
0.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.6 µg/L
8/12/2014
11 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
275%
0.55 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.35 µg/L
8/12/2014
11 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
200%
0.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/12/2014
11 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (28)

DSMRT for MWD
Distribution System - SW ℹ️
1333.3%
0.4 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.37 µg/L
5/5/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
466.7%
0.14 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.11 µg/L
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
2233.3%
0.67 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.64 µg/L
2/10/2015
10 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
2200%
0.66 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.63 µg/L
2/10/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
3666.7%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L
2/3/2015
10 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
1600%
0.48 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.45 µg/L
2/3/2015
10 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
1400%
0.42 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.39 µg/L
2/3/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
1066.7%
0.32 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.29 µg/L
2/3/2015
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
900%
0.27 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.24 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
866.7%
0.26 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.23 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
156.7%
0.047 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.017 µg/L
2/3/2015
10 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
106.7%
0.032 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.002 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
1566.7%
0.47 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.44 µg/L
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
700%
0.21 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.18 µg/L
11/10/2014
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
1233.3%
0.37 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.34 µg/L
8/26/2014
11 years ago
DSMRT for MWD
Distribution System - SW ℹ️
1166.7%
0.35 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.32 µg/L
8/26/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
3333.3%
1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.97 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
2366.7%
0.71 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.68 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
600%
0.18 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.15 µg/L
8/20/2014
11 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
3666.7%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L
8/12/2014
11 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
2166.7%
0.65 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.62 µg/L
8/12/2014
11 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
1533.3%
0.46 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.43 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
153.3%
0.046 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.016 µg/L
8/12/2014
11 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
126.7%
0.038 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.008 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
110%
0.033 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.003 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (28)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
5/5/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<1 µg/L
Below Reporting Level
2/10/2015
10 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
11/10/2014
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
11/10/2014
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
8/26/2014
11 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
8/26/2014
11 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<1 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<1 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<1 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<1 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<1 µg/L
Below Reporting Level
8/12/2014
11 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
8/12/2014
11 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
8/12/2014
11 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
8/12/2014
11 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

cylindrospermopsin (8)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/20/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/6/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/18/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/20/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/7/2019
6 years ago
Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L
Contaminant Details

dimethipin (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (10)

WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<1 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<1 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<1 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<1 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<1 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<1 µg/L
Below Reporting Level
4/28/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<1 µg/L
Below Reporting Level
4/28/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<1 µg/L
Below Reporting Level
4/28/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<1 µg/L
Below Reporting Level
4/28/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<1 µg/L
Below Reporting Level
4/28/2004
21 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

ethoprop (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (13)

Entry Point to Dist. System
Well #14 ℹ️
600%
1.8 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1.5 µg/L
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
283.3%
0.85 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.55 µg/L
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
230%
0.69 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.39 µg/L
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
700%
2.1 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1.8 µg/L
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
366.7%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.8 µg/L
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
313.3%
0.94 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.64 µg/L
3/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (15)

2575 Three Bar Lane
Distribution System ℹ️
2%
1.2 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
3600 Norconian Drive
Distribution System ℹ️
1.9%
1.11 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
1483 Andalusian Drive
Distribution System ℹ️
1.8%
1.1 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
2001 Third Street
Distribution System ℹ️
1.2%
0.74 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
3367 Corydon Avenue
Distribution System ℹ️
0%
0 µg/L
Meets Reporting Threshold
12/10/2019
5 years ago
1483 Andalusian Drive
Distribution System ℹ️
1.8%
1.1 µg/L
Meets Reporting Threshold
6/27/2019
6 years ago
3367 Corydon Avenue
Distribution System ℹ️
1.3%
0.8 µg/L
Meets Reporting Threshold
6/27/2019
6 years ago
2575 Three Bar Lane
Distribution System ℹ️
1.3%
0.76 µg/L
Meets Reporting Threshold
6/27/2019
6 years ago
2001 Third Street
Distribution System ℹ️
1%
0.62 µg/L
Meets Reporting Threshold
6/27/2019
6 years ago
3600 Norconian Drive
Distribution System ℹ️
0.9%
0.54 µg/L
Meets Reporting Threshold
6/27/2019
6 years ago
3367 Corydon Avenue
Distribution System ℹ️
7.4%
4.45 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
2001 Third Street
Distribution System ℹ️
7.2%
4.3 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
2575 Three Bar Lane
Distribution System ℹ️
7.1%
4.23 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
1483 Andalusian Drive
Distribution System ℹ️
3.2%
1.9 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
3600 Norconian Drive
Distribution System ℹ️
2%
1.21 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (15)

2575 Three Bar Lane
Distribution System ℹ️
0%
2.31 µg/L
12/10/2019
5 years ago
1483 Andalusian Drive
Distribution System ℹ️
0%
2.08 µg/L
12/10/2019
5 years ago
3600 Norconian Drive
Distribution System ℹ️
0%
1.9 µg/L
12/10/2019
5 years ago
2001 Third Street
Distribution System ℹ️
0%
1.52 µg/L
12/10/2019
5 years ago
3367 Corydon Avenue
Distribution System ℹ️
0%
0 µg/L
12/10/2019
5 years ago
1483 Andalusian Drive
Distribution System ℹ️
0%
2.21 µg/L
6/27/2019
6 years ago
2575 Three Bar Lane
Distribution System ℹ️
0%
1.56 µg/L
6/27/2019
6 years ago
3367 Corydon Avenue
Distribution System ℹ️
0%
1.39 µg/L
6/27/2019
6 years ago
2001 Third Street
Distribution System ℹ️
0%
1.23 µg/L
6/27/2019
6 years ago
3600 Norconian Drive
Distribution System ℹ️
0%
0.86 µg/L
6/27/2019
6 years ago
3367 Corydon Avenue
Distribution System ℹ️
0%
15 µg/L
3/4/2019
6 years ago
2001 Third Street
Distribution System ℹ️
0%
13.8 µg/L
3/4/2019
6 years ago
2575 Three Bar Lane
Distribution System ℹ️
0%
13.1 µg/L
3/4/2019
6 years ago
1483 Andalusian Drive
Distribution System ℹ️
0%
3.17 µg/L
3/4/2019
6 years ago
3600 Norconian Drive
Distribution System ℹ️
0%
1.78 µg/L
3/4/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (15)

2575 Three Bar Lane
Distribution System ℹ️
0%
2.31 µg/L
12/10/2019
5 years ago
3600 Norconian Drive
Distribution System ℹ️
0%
2.24 µg/L
12/10/2019
5 years ago
1483 Andalusian Drive
Distribution System ℹ️
0%
2.08 µg/L
12/10/2019
5 years ago
2001 Third Street
Distribution System ℹ️
0%
1.52 µg/L
12/10/2019
5 years ago
3367 Corydon Avenue
Distribution System ℹ️
0%
0 µg/L
12/10/2019
5 years ago
1483 Andalusian Drive
Distribution System ℹ️
0%
2.21 µg/L
6/27/2019
6 years ago
3367 Corydon Avenue
Distribution System ℹ️
0%
1.59 µg/L
6/27/2019
6 years ago
2575 Three Bar Lane
Distribution System ℹ️
0%
1.56 µg/L
6/27/2019
6 years ago
2001 Third Street
Distribution System ℹ️
0%
1.23 µg/L
6/27/2019
6 years ago
3600 Norconian Drive
Distribution System ℹ️
0%
0.86 µg/L
6/27/2019
6 years ago
3367 Corydon Avenue
Distribution System ℹ️
0%
15.75 µg/L
3/4/2019
6 years ago
2001 Third Street
Distribution System ℹ️
0%
14.5 µg/L
3/4/2019
6 years ago
2575 Three Bar Lane
Distribution System ℹ️
0%
13.73 µg/L
3/4/2019
6 years ago
1483 Andalusian Drive
Distribution System ℹ️
0%
3.43 µg/L
3/4/2019
6 years ago
3600 Norconian Drive
Distribution System ℹ️
0%
1.99 µg/L
3/4/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (14)

Entry Point to Dist. System
MWD Intertie ℹ️
395.6%
35.6 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 26.6 µg/L
6/18/2024
15 months ago
Entry Point to Dist. System
Well #12 ℹ️
125.6%
11.3 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 2.3 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
124.4%
11.2 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 2.2 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
120%
10.8 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 1.8 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<9 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<9 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<9 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
275.6%
24.8 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 15.8 µg/L
12/5/2023
21 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
398.9%
35.9 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 26.9 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
120%
10.8 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 1.8 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
114.4%
10.3 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 1.3 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<9 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<9 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<9 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (13)

Entry Point to Dist. System
Well #13 ℹ️
126.7%
380 µg/L
☠️ Exceeds Reference Level by 80 µg/L
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
15.7%
47 µg/L
Meets Reporting Threshold
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
3.3%
10 µg/L
Meets Reporting Threshold
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0.4%
1.3 µg/L
Meets Reporting Threshold
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
140%
420 µg/L
☠️ Exceeds Reference Level by 120 µg/L
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
43.3%
130 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
3.2%
9.6 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0.4%
1.2 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (10)

WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<5 µg/L
Below Reporting Level
6/10/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<5 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<5 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<5 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<5 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<5 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<5 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<5 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<5 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<5 µg/L
Below Reporting Level
1/6/2004
21 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (10)

WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<0.9 µg/L
Below Reporting Level
6/10/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<0.9 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<0.9 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<0.9 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<0.9 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<0.9 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<0.9 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<0.9 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<0.9 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<0.9 µg/L
Below Reporting Level
1/6/2004
21 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (28)

Entry Point to Dist. System
MWD Intertie ℹ️
490%
4.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 3.9 µg/L
5/5/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
250%
2.5 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L
5/5/2015
10 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
140%
1.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.4 µg/L
2/10/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<1 µg/L
Below Reporting Level
2/10/2015
10 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
2800%
28 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 27 µg/L
2/3/2015
10 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
2800%
28 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 27 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
2600%
26 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 25 µg/L
2/3/2015
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
2500%
25 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 24 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
2200%
22 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 21 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
880%
8.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 7.8 µg/L
2/3/2015
10 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
820%
8.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 7.2 µg/L
2/3/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
380%
3.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.8 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
320%
3.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<1 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
490%
4.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 3.9 µg/L
11/10/2014
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
230%
2.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.3 µg/L
11/10/2014
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
2600%
26 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 25 µg/L
8/26/2014
11 years ago
DSMRT for MWD
Distribution System - SW ℹ️
320%
3.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L
8/26/2014
11 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
430%
4.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 3.3 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
120%
1.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.2 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<1 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
2700%
27 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 26 µg/L
8/12/2014
11 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
2600%
26 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 25 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
2500%
25 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 24 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
830%
8.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 7.3 µg/L
8/12/2014
11 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
810%
8.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 7.1 µg/L
8/12/2014
11 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
110%
1.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L
8/12/2014
11 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.006 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.006 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (10)

WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<10 µg/L
Below Reporting Level
6/10/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<10 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<10 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<10 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<10 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<10 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<10 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<10 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<10 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<10 µg/L
Below Reporting Level
1/6/2004
21 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (10)

WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<4 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<4 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<4 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<4 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<4 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<4 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<4 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<4 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<4 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<4 µg/L
Below Reporting Level
1/6/2004
21 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (28)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
Well #12 ℹ️
406.7%
0.0122 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0092 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
193.3%
0.0058 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0028 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
100%
0.003 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0 µg/L
10/24/2023
23 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
Well #12 ℹ️
156.7%
0.0047 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0017 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.09 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
Well #12 ℹ️
358%
0.0179 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0129 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
170%
0.0085 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0035 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
Well #12 ℹ️
158%
0.0079 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0029 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (28)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.01 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (28)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
Well #12 ℹ️
460%
0.0138 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0108 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
246.7%
0.0074 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0044 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
116.7%
0.0035 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0005 µg/L
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
106.7%
0.0032 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0002 µg/L
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
136.7%
0.0041 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0011 µg/L
10/5/2023
23 months ago
Entry Point to Dist. System
Well #12 ℹ️
216.7%
0.0065 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0035 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
Well #12 ℹ️
243.3%
0.0073 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0043 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
123.3%
0.0037 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0007 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
100%
0.003 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
Well #12 ℹ️
116.7%
0.0035 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0005 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
113.3%
0.0034 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0004 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (28)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (28)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
Well #12 ℹ️
785%
0.0314 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0274 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
377.5%
0.0151 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0111 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
187.5%
0.0075 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0035 µg/L
10/5/2023
23 months ago
Entry Point to Dist. System
Well #12 ℹ️
335%
0.0134 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0094 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.04 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (28)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
Well #12 ℹ️
342.5%
0.0137 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0097 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
192.5%
0.0077 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0037 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
Well #12 ℹ️
182.5%
0.0073 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0033 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/10/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
130%
0.026 µg/L
⚠️ Exceeds Reporting Level of 0.02 µg/L by 0.006 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/20/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
Well #12 ℹ️
396.7%
0.0119 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0089 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
253.3%
0.0076 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0046 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
173.3%
0.0052 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0022 µg/L
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
196.7%
0.0059 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0029 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
160%
0.0048 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0018 µg/L
9/12/2023
24 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.008 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.008 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (14)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/18/2024
15 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.002 µg/L
Below Reporting Level
3/20/2024
18 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/5/2023
21 months ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/24/2023
23 months ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/5/2023
23 months ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Riverside Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/12/2023
24 months ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/12/2023
24 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (10)

WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<1 µg/L
Below Reporting Level
6/10/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<1 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<1 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<1 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<1 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<1 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<1 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<1 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<1 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<1 µg/L
Below Reporting Level
1/6/2004
21 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (28)

Entry Point to Dist. System
MWD Intertie ℹ️
196666.7%
590 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 589.7 µg/L
5/5/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
110000%
330 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 329.7 µg/L
5/5/2015
10 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
70000%
210 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 209.7 µg/L
2/10/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
66666.7%
200 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 199.7 µg/L
2/10/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
246666.7%
740 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 739.7 µg/L
2/3/2015
10 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
230000%
690 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 689.7 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
130000%
390 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
130000%
390 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L
2/3/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
86666.7%
260 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
83333.3%
250 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 249.7 µg/L
2/3/2015
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
60000%
180 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 179.7 µg/L
2/3/2015
10 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
29333.3%
88 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 87.7 µg/L
2/3/2015
10 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
26666.7%
80 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 79.7 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
24333.3%
73 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 72.7 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
176666.7%
530 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 529.7 µg/L
11/10/2014
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
86666.7%
260 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L
11/10/2014
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
150000%
450 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 449.7 µg/L
8/26/2014
11 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
40000%
120 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 119.7 µg/L
8/26/2014
11 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
200000%
600 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 599.7 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
146666.7%
440 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 439.7 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
66666.7%
200 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 199.7 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
226666.7%
680 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 679.7 µg/L
8/12/2014
11 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
220000%
660 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 659.7 µg/L
8/12/2014
11 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
136666.7%
410 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 409.7 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
66666.7%
200 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 199.7 µg/L
8/12/2014
11 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
66666.7%
200 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 199.7 µg/L
8/12/2014
11 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
27666.7%
83 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 82.7 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
27333.3%
82 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 81.7 µg/L
8/12/2014
11 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (10)

WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<2 µg/L
Below Reporting Level
6/10/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<2 µg/L
Below Reporting Level
6/7/2004
21 years ago
WELL 11 02S/06W-19E03
WELL 11 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 12 03S/07W-11M13
WELL 12 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 13 03S/07W-11M12
WELL 13 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 14 03S/07W-15F01
WELL 14 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
WELL 15 03S/07W-15A01
WELL 15 ℹ️
0%
<2 µg/L
Below Reporting Level
1/6/2004
21 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

total microcystins (8)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/20/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/6/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/15/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/1/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/18/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/3/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/20/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/7/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (13)

Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/4/2019
6 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #12 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #13 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Well #14 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2019
6 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2019
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (28)

DSMRT for MWD
Distribution System - SW ℹ️
2050%
4.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.9 µg/L
5/5/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
1250%
2.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.3 µg/L
5/5/2015
10 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
2700%
5.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.2 µg/L
2/10/2015
10 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
2500%
5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.8 µg/L
2/10/2015
10 years ago
Entry Point to Dist. System
Well #12 ℹ️
2450%
4.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.7 µg/L
2/3/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
1400%
2.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.6 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
1150%
2.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.1 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
1050%
2.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.9 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #14 ℹ️
1000%
2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.8 µg/L
2/3/2015
10 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
900%
1.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.6 µg/L
2/3/2015
10 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
750%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L
2/3/2015
10 years ago
Entry Point to Dist. System
Well #13 ℹ️
410%
0.82 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.62 µg/L
2/3/2015
10 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
225%
0.45 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.25 µg/L
2/3/2015
10 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/3/2015
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
2200%
4.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.2 µg/L
11/10/2014
10 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
1450%
2.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.7 µg/L
11/10/2014
10 years ago
DSMRT for MWD
Distribution System - SW ℹ️
1900%
3.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.6 µg/L
8/26/2014
11 years ago
DSMRT for Well #12
Distribution System - GW ℹ️
550%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L
8/26/2014
11 years ago
Entry Point to Dist. System
Arlington Desalter ℹ️
2800%
5.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.4 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
MWD Intertie ℹ️
1300%
2.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.4 µg/L
8/20/2014
11 years ago
Entry Point to Dist. System
Chino Desalter Authority ℹ️
1050%
2.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.9 µg/L
8/20/2014
11 years ago
DSMRT for Arlington Desalter
Distribution System - GW ℹ️
2550%
5.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.9 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #12 ℹ️
1700%
3.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.2 µg/L
8/12/2014
11 years ago
DSMRT for Chino Desalter
Distribution System - GW ℹ️
1000%
2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.8 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #14 ℹ️
850%
1.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L
8/12/2014
11 years ago
DSMRT for Well #14
Distribution System - GW ℹ️
850%
1.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L
8/12/2014
11 years ago
Entry Point to Dist. System
Well #13 ℹ️
355%
0.71 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.51 µg/L
8/12/2014
11 years ago
DSMRT for Well #13
Distribution System - GW ℹ️
0%
<0.2 µg/L
Below Reporting Level
8/12/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

MWD Intertie
Surface Water (SW)

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

Riverside Intertie
Ground Water (GW)

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

Well #12
Ground Water (GW)

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

Well #13
Ground Water (GW)

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

Chino Desalter Authority
Ground Water (GW)

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

Arlington Desalter
Ground Water (GW)

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

Well #14
Ground Water (GW)

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

Distribution System
Multiple Sources (MX)

1483 Andalusian DriveDistribution System (DS)

Distribution System
Multiple Sources (MX)

2001 Third StreetDistribution System (DS)

Distribution System
Multiple Sources (MX)

2575 Three Bar LaneDistribution System (DS)

Distribution System
Multiple Sources (MX)

3600 Norconian DriveDistribution System (DS)

Distribution System
Multiple Sources (MX)

3367 Corydon AvenueDistribution System (DS)

Distribution System - SW
Surface Water (SW)

DSMRT for MWDMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Well #12Maximum Residence Time (MR)
DSMRT for Well #13Maximum Residence Time (MR)
DSMRT for Well #14Maximum Residence Time (MR)
DSMRT for Chino DesalterMaximum Residence Time (MR)
DSMRT for Arlington DesalterMaximum Residence Time (MR)

Well #15
Ground Water (GW)

EP for Well #15Entry Point to the Distribution System (EP)

WELL 11
Ground Water (GW)

WELL 11 02S/06W-19E03SR (SR)

WELL 12
Ground Water (GW)

WELL 12 03S/07W-11M13SR (SR)

WELL 13
Ground Water (GW)

WELL 13 03S/07W-11M12SR (SR)

WELL 14
Ground Water (GW)

WELL 14 03S/07W-15F01SR (SR)

WELL 15
Ground Water (GW)

WELL 15 03S/07W-15A01SR (SR)

FAQ

Is City of Norco tap water safe to drink?

When was City of Norco last tested for water contamination?

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