City of Rialto (CA) Water Quality

City of Rialto is a large public water system in EPA region 9 that provides tap water for the 92376, 92377 zip codes. It has 30 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of 1-butanol was 2 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 4 µg/L. The maximum reported level of Manganese was 70 µg/L. There were 3 contamintants found in the City of Rialto water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (17)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
236.7%
0.071 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.041 µg/L
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
203.3%
0.061 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.031 µg/L
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (17)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (17)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.1 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.1 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.1 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.1 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.1 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.1 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.1 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.1 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.1 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.1 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.1 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.1 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.1 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.1 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (17)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.07 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<2 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<2 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<2 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0.3%
2 µg/L
Meets Reporting Threshold
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<2 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<2 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<2 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (30)

CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<2 µg/L
Below Reporting Level
7/26/2004
21 years ago
HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
0%
<2 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<2 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<2 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<2 µg/L
Below Reporting Level
4/25/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (30)

CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<2 µg/L
Below Reporting Level
7/26/2004
21 years ago
HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
0%
<2 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<2 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<2 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<2 µg/L
Below Reporting Level
4/25/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

2-propen-1-ol (Allyl Alcohol) (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (30)

CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/26/2004
21 years ago
HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/18/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/11/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/11/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<0.8 µg/L
Below Reporting Level
4/25/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/21/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/21/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/18/2020
5 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
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/24/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/17/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/3/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/14/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
5/1/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/17/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/3/2020
5 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

bromochloromethane (Halon 1011) (17)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.06 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.06 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.06 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.06 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.06 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.06 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.06 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.06 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.06 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.06 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.06 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.06 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.06 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.06 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (17)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/17/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/17/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/17/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/17/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (26)

Entry Point to Dist. System
SWTP ℹ️
1550%
310 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 290 µg/L
12/11/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
0%
<20 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
600%
120 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 100 µg/L
9/18/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
300%
60 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 40 µg/L
9/11/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<20 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<20 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<20 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
1150%
230 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<20 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
1900%
380 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 360 µg/L
6/10/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
550%
110 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 90 µg/L
6/10/2014
11 years ago
DSMRT for Chino Well 2
Distribution System - GW ℹ️
220%
44 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 24 µg/L
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<20 µg/L
Below Reporting Level
6/10/2014
11 years ago
DSMRT for Rialto Well 3
Distribution System - GW ℹ️
105%
21 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 1 µg/L
4/15/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<20 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
395%
79 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 59 µg/L
3/13/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
300%
60 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 40 µg/L
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
425%
85 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 65 µg/L
3/10/2014
11 years ago
DSMRT for Cactus Meter
Distribution System - GW ℹ️
350%
70 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 50 µg/L
3/10/2014
11 years ago
DSMRT for City Well 4A
Distribution System - GW ℹ️
500%
100 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 80 µg/L
3/5/2014
11 years ago
DSMRT for City Well 2
Distribution System - GW ℹ️
160%
32 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 12 µg/L
3/5/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<20 µg/L
Below Reporting Level
3/5/2014
11 years ago
DSMRT for Rialto Well 5
Distribution System - GW ℹ️
410%
82 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 62 µg/L
3/4/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<20 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<20 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<20 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (17)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.08 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.08 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.08 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.08 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.08 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.08 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.08 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.08 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.08 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.08 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.08 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.08 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.08 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.08 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (17)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (26)

Entry Point to Dist. System
SWTP ℹ️
360%
0.72 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.52 µg/L
12/11/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
550%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L
9/18/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
1200%
2.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.2 µg/L
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
850%
1.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
650%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L
9/11/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
375%
0.75 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.55 µg/L
9/11/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
550%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
325%
0.65 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.45 µg/L
9/10/2014
11 years ago
DSMRT for Cactus Meter
Distribution System - GW ℹ️
650%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L
7/18/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
1500%
3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.8 µg/L
6/10/2014
11 years ago
DSMRT for Chino Well 2
Distribution System - GW ℹ️
700%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L
6/10/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
550%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L
6/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
380%
0.76 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.56 µg/L
6/10/2014
11 years ago
DSMRT for City Well 4A
Distribution System - GW ℹ️
460%
0.92 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.72 µg/L
4/28/2014
11 years ago
DSMRT for City Well 2
Distribution System - GW ℹ️
445%
0.89 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.69 µg/L
4/25/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
405%
0.81 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.61 µg/L
4/25/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
850%
1.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L
4/17/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
800%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L
4/17/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
550%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L
4/17/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
400%
0.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.6 µg/L
4/17/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
320%
0.64 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.44 µg/L
4/17/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
600%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1 µg/L
4/15/2014
11 years ago
DSMRT for Rialto Well 3
Distribution System - GW ℹ️
460%
0.92 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.72 µg/L
4/15/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
600%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1 µg/L
3/4/2014
11 years ago
DSMRT for Rialto Well 5
Distribution System - GW ℹ️
430%
0.86 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.66 µg/L
3/4/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (26)

Entry Point to Dist. System
SWTP ℹ️
2833.3%
0.85 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.82 µg/L
12/11/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
300%
0.09 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.06 µg/L
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
3666.7%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L
9/18/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
9000%
2.7 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.67 µg/L
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
6000%
1.8 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.77 µg/L
9/11/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
2900%
0.87 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.84 µg/L
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
1933.3%
0.58 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.55 µg/L
9/11/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
4000%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.17 µg/L
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
2566.7%
0.77 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.74 µg/L
9/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
11000%
3.3 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.27 µg/L
6/10/2014
11 years ago
DSMRT for Chino Well 2
Distribution System - GW ℹ️
5333.3%
1.6 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.57 µg/L
6/10/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
4333.3%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L
6/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
2666.7%
0.8 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.77 µg/L
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
4333.3%
1.3 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L
4/15/2014
11 years ago
DSMRT for Rialto Well 3
Distribution System - GW ℹ️
3666.7%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L
4/15/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
3666.7%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L
3/13/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
1233.3%
0.37 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.34 µg/L
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
3666.7%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L
3/10/2014
11 years ago
DSMRT for Cactus Meter
Distribution System - GW ℹ️
3333.3%
1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.97 µg/L
3/10/2014
11 years ago
DSMRT for City Well 4A
Distribution System - GW ℹ️
4000%
1.2 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.17 µg/L
3/5/2014
11 years ago
DSMRT for City Well 2
Distribution System - GW ℹ️
2966.7%
0.89 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.86 µg/L
3/5/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
2033.3%
0.61 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.58 µg/L
3/5/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
5666.7%
1.7 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.67 µg/L
3/4/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
3333.3%
1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.97 µg/L
3/4/2014
11 years ago
DSMRT for Rialto Well 5
Distribution System - GW ℹ️
3333.3%
1 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.97 µg/L
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
2600%
0.78 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.75 µg/L
3/4/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (26)

Entry Point to Dist. System
SWTP ℹ️
0%
<1 µg/L
Below Reporting Level
12/11/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<1 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<1 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<1 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<1 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<1 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<1 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<1 µg/L
Below Reporting Level
9/10/2014
11 years ago
DSMRT for Cactus Meter
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<1 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<1 µg/L
Below Reporting Level
6/10/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
6/10/2014
11 years ago
DSMRT for Chino Well 2
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
6/10/2014
11 years ago
DSMRT for City Well 4A
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
4/28/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
4/25/2014
11 years ago
DSMRT for City Well 2
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
4/25/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<1 µg/L
Below Reporting Level
4/17/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<1 µg/L
Below Reporting Level
4/17/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<1 µg/L
Below Reporting Level
4/17/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<1 µg/L
Below Reporting Level
4/17/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<1 µg/L
Below Reporting Level
4/17/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<1 µg/L
Below Reporting Level
4/15/2014
11 years ago
DSMRT for Rialto Well 3
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
4/15/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<1 µg/L
Below Reporting Level
3/4/2014
11 years ago
DSMRT for Rialto Well 5
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

cylindrospermopsin (8)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/24/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/10/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/17/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/3/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/14/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
5/1/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/17/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/3/2020
5 years ago
Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L
Contaminant Details

dimethipin (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (32)

CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<1 µg/L
Below Reporting Level
7/26/2004
21 years ago
HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
0%
<1 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<1 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<1 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<1 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<1 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
7/16/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<1 µg/L
Below Reporting Level
7/16/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<1 µg/L
Below Reporting Level
4/25/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<1 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

ethoprop (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

1228 W Merrill
Stage 2 ℹ️
2.5%
1.52 µg/L
Meets Reporting Threshold
12/15/2020
4 years ago
749 E Holly
Stage 2 ℹ️
1.2%
0.74 µg/L
Meets Reporting Threshold
12/15/2020
4 years ago
978 N Driftwood
Stage 2 ℹ️
0.5%
0.3 µg/L
Meets Reporting Threshold
12/15/2020
4 years ago
101 E Valley
Stage 2 ℹ️
0%
0 µg/L
Meets Reporting Threshold
12/15/2020
4 years ago
978 N Driftwood
Stage 2 ℹ️
3.8%
2.27 µg/L
Meets Reporting Threshold
9/18/2020
5 years ago
101 E Valley
Stage 2 ℹ️
1.2%
0.7 µg/L
Meets Reporting Threshold
9/18/2020
5 years ago
749 E Holly
Stage 2 ℹ️
0%
0 µg/L
Meets Reporting Threshold
9/18/2020
5 years ago
1228 W Merrill
Stage 2 ℹ️
0%
0 µg/L
Meets Reporting Threshold
9/18/2020
5 years ago
978 N Driftwood
Stage 2 ℹ️
6.7%
4 µg/L
Meets Reporting Threshold
6/5/2020
5 years ago
749 E Holly
Stage 2 ℹ️
2.3%
1.37 µg/L
Meets Reporting Threshold
6/5/2020
5 years ago
1228 W Merrill
Stage 2 ℹ️
1.8%
1.1 µg/L
Meets Reporting Threshold
6/5/2020
5 years ago
101 E Valley
Stage 2 ℹ️
0.4%
0.21 µg/L
Meets Reporting Threshold
6/5/2020
5 years ago
101 E Valley
Stage 2 ℹ️
5.4%
3.26 µg/L
Meets Reporting Threshold
3/18/2020
5 years ago
1228 W Merrill
Stage 2 ℹ️
0.6%
0.38 µg/L
Meets Reporting Threshold
3/18/2020
5 years ago
749 E Holly
Stage 2 ℹ️
0%
0 µg/L
Meets Reporting Threshold
3/18/2020
5 years ago
978 N Driftwood
Stage 2 ℹ️
0%
0 µg/L
Meets Reporting Threshold
3/18/2020
5 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

1228 W Merrill
Stage 2 ℹ️
0%
3.52 µg/L
12/15/2020
4 years ago
749 E Holly
Stage 2 ℹ️
0%
1.32 µg/L
12/15/2020
4 years ago
978 N Driftwood
Stage 2 ℹ️
0%
0.63 µg/L
12/15/2020
4 years ago
101 E Valley
Stage 2 ℹ️
0%
0 µg/L
12/15/2020
4 years ago
978 N Driftwood
Stage 2 ℹ️
0%
3.16 µg/L
9/18/2020
5 years ago
101 E Valley
Stage 2 ℹ️
0%
0.84 µg/L
9/18/2020
5 years ago
749 E Holly
Stage 2 ℹ️
0%
0 µg/L
9/18/2020
5 years ago
1228 W Merrill
Stage 2 ℹ️
0%
0 µg/L
9/18/2020
5 years ago
978 N Driftwood
Stage 2 ℹ️
0%
5.09 µg/L
6/5/2020
5 years ago
749 E Holly
Stage 2 ℹ️
0%
1.87 µg/L
6/5/2020
5 years ago
1228 W Merrill
Stage 2 ℹ️
0%
1.3 µg/L
6/5/2020
5 years ago
101 E Valley
Stage 2 ℹ️
0%
0 µg/L
6/5/2020
5 years ago
101 E Valley
Stage 2 ℹ️
0%
4.1 µg/L
3/18/2020
5 years ago
1228 W Merrill
Stage 2 ℹ️
0%
0.93 µg/L
3/18/2020
5 years ago
749 E Holly
Stage 2 ℹ️
0%
0 µg/L
3/18/2020
5 years ago
978 N Driftwood
Stage 2 ℹ️
0%
0 µg/L
3/18/2020
5 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (16)

1228 W Merrill
Stage 2 ℹ️
0%
4.04 µg/L
12/15/2020
4 years ago
749 E Holly
Stage 2 ℹ️
0%
1.61 µg/L
12/15/2020
4 years ago
978 N Driftwood
Stage 2 ℹ️
0%
0.63 µg/L
12/15/2020
4 years ago
101 E Valley
Stage 2 ℹ️
0%
0 µg/L
12/15/2020
4 years ago
978 N Driftwood
Stage 2 ℹ️
0%
4.49 µg/L
9/18/2020
5 years ago
101 E Valley
Stage 2 ℹ️
0%
1.15 µg/L
9/18/2020
5 years ago
749 E Holly
Stage 2 ℹ️
0%
0 µg/L
9/18/2020
5 years ago
1228 W Merrill
Stage 2 ℹ️
0%
0 µg/L
9/18/2020
5 years ago
978 N Driftwood
Stage 2 ℹ️
0%
7.89 µg/L
6/5/2020
5 years ago
749 E Holly
Stage 2 ℹ️
0%
2.69 µg/L
6/5/2020
5 years ago
1228 W Merrill
Stage 2 ℹ️
0%
1.93 µg/L
6/5/2020
5 years ago
101 E Valley
Stage 2 ℹ️
0%
0.21 µg/L
6/5/2020
5 years ago
101 E Valley
Stage 2 ℹ️
0%
6.7 µg/L
3/18/2020
5 years ago
1228 W Merrill
Stage 2 ℹ️
0%
1.31 µg/L
3/18/2020
5 years ago
749 E Holly
Stage 2 ℹ️
0%
0 µg/L
3/18/2020
5 years ago
978 N Driftwood
Stage 2 ℹ️
0%
0 µg/L
3/18/2020
5 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (19)

Entry Point to Dist. System
SWTP ℹ️
0%
<9 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<9 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<9 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<9 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<9 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<9 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<9 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<9 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<9 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<9 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<9 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<9 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<9 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<9 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<9 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<9 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<9 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<9 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<9 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/15/2020
4 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
2%
5.9 µg/L
Meets Reporting Threshold
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0.4%
1.2 µg/L
Meets Reporting Threshold
9/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0.3%
0.76 µg/L
Meets Reporting Threshold
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0.2%
0.6 µg/L
Meets Reporting Threshold
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0.2%
0.71 µg/L
Meets Reporting Threshold
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/23/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
23.3%
70 µg/L
Meets Reporting Threshold
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
1.2%
3.6 µg/L
Meets Reporting Threshold
3/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0.6%
1.7 µg/L
Meets Reporting Threshold
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0.4%
1.3 µg/L
Meets Reporting Threshold
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (30)

CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<5 µg/L
Below Reporting Level
7/26/2004
21 years ago
HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
0%
<5 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<5 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<5 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<5 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<5 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<5 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<5 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<5 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<5 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<5 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<5 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<5 µg/L
Below Reporting Level
7/18/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<5 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<5 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<5 µg/L
Below Reporting Level
7/11/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<5 µg/L
Below Reporting Level
7/11/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<5 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<5 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<5 µg/L
Below Reporting Level
4/25/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<5 µg/L
Below Reporting Level
2/21/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<5 µg/L
Below Reporting Level
2/21/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
0%
<5 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<5 µg/L
Below Reporting Level
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<5 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<5 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<5 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<5 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<5 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<5 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (32)

CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/26/2004
21 years ago
HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/18/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/11/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/11/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<0.9 µg/L
Below Reporting Level
4/25/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<0.9 µg/L
Below Reporting Level
4/2/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
0%
<0.9 µg/L
Below Reporting Level
4/2/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (26)

Entry Point to Dist. System
SWTP ℹ️
270%
2.7 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.7 µg/L
12/11/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
190%
1.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
260%
2.6 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.6 µg/L
9/18/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
290%
2.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.9 µg/L
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
280%
2.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.8 µg/L
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
240%
2.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.4 µg/L
9/11/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
230%
2.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.3 µg/L
9/11/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
330%
3.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.3 µg/L
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
290%
2.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.9 µg/L
9/10/2014
11 years ago
DSMRT for Cactus Meter
Distribution System - GW ℹ️
250%
2.5 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L
7/18/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
330%
3.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.3 µg/L
6/10/2014
11 years ago
DSMRT for Chino Well 2
Distribution System - GW ℹ️
300%
3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2 µg/L
6/10/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
280%
2.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.8 µg/L
6/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
250%
2.5 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L
6/10/2014
11 years ago
DSMRT for City Well 4A
Distribution System - GW ℹ️
250%
2.5 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L
4/28/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
240%
2.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.4 µg/L
4/25/2014
11 years ago
DSMRT for City Well 2
Distribution System - GW ℹ️
240%
2.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.4 µg/L
4/25/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
350%
3.5 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.5 µg/L
4/17/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
320%
3.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L
4/17/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
320%
3.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L
4/17/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
310%
3.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.1 µg/L
4/17/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
260%
2.6 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.6 µg/L
4/17/2014
11 years ago
DSMRT for Rialto Well 3
Distribution System - GW ℹ️
370%
3.7 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.7 µg/L
4/15/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
330%
3.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.3 µg/L
4/15/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
240%
2.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.4 µg/L
3/4/2014
11 years ago
DSMRT for Rialto Well 5
Distribution System - GW ℹ️
240%
2.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.4 µg/L
3/4/2014
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (19)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (19)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (30)

CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<10 µg/L
Below Reporting Level
7/26/2004
21 years ago
HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
0%
<10 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<10 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<10 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<10 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<10 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<10 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<10 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<10 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<10 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<10 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<10 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<10 µg/L
Below Reporting Level
7/18/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<10 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<10 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<10 µg/L
Below Reporting Level
7/11/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<10 µg/L
Below Reporting Level
7/11/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<10 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<10 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<10 µg/L
Below Reporting Level
4/25/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<10 µg/L
Below Reporting Level
2/21/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<10 µg/L
Below Reporting Level
2/21/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
0%
<10 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<10 µg/L
Below Reporting Level
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<10 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<10 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<10 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<10 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<10 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<10 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/17/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/17/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/17/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/17/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.05 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.05 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (32)

HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
825%
33 µg/L
⚠️ Exceeds Reporting Level of 4 µg/L by 29 µg/L
7/26/2004
21 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<4 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<4 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<4 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<4 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<4 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<4 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<4 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<4 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<4 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<4 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<4 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<4 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<4 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<4 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
170%
6.8 µg/L
⚠️ Exceeds Reporting Level of 4 µg/L by 2.8 µg/L
7/11/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<4 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<4 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<4 µg/L
Below Reporting Level
7/11/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<4 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<4 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<4 µg/L
Below Reporting Level
4/25/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
525%
21 µg/L
⚠️ Exceeds Reporting Level of 4 µg/L by 17 µg/L
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
245%
9.8 µg/L
⚠️ Exceeds Reporting Level of 4 µg/L by 5.8 µg/L
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
140%
5.6 µg/L
⚠️ Exceeds Reporting Level of 4 µg/L by 1.6 µg/L
2/21/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<4 µg/L
Below Reporting Level
2/21/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<4 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<4 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<4 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<4 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<4 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<4 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (36)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
130%
0.0039 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0009 µg/L
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
153.3%
0.0046 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0016 µg/L
7/19/2023
2 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
114%
0.0057 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0007 µg/L
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.005 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
110%
0.0055 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0005 µg/L
7/19/2023
2 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (36)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
116.7%
0.0035 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0005 µg/L
7/19/2023
2 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.01 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (36)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
113.3%
0.0034 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0004 µg/L
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
116.7%
0.0035 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0005 µg/L
7/19/2023
2 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
566.7%
0.017 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.014 µg/L
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
400%
0.012 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.009 µg/L
7/19/2023
2 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (36)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (36)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.04 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (36)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
182.5%
0.0073 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0033 µg/L
7/19/2023
2 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/15/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/13/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/10/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/5/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.004 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
600%
0.018 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.015 µg/L
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.003 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
466.7%
0.014 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.011 µg/L
7/19/2023
2 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (19)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (19)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/19/2023
2 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (19)

EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/25/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/24/2024
18 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/29/2024
20 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/4/2024
22 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/4/2023
25 months ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.002 µg/L
Below Reporting Level
9/26/2023
25 months ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/24/2023
26 months ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
EP #30 EW-1 Well Treated
EW-1 Well ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/19/2023
2 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/17/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/17/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/17/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/17/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (32)

CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<1 µg/L
Below Reporting Level
7/26/2004
21 years ago
HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
0%
<1 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<1 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<1 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<1 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<1 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<1 µg/L
Below Reporting Level
7/18/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<1 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<1 µg/L
Below Reporting Level
4/25/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<1 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<1 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<1 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<1 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (26)

Entry Point to Dist. System
SWTP ℹ️
106666.7%
320 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 319.7 µg/L
12/11/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
86666.7%
260 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
166666.7%
500 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 499.7 µg/L
9/18/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
126666.7%
380 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 379.7 µg/L
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
116666.7%
350 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 349.7 µg/L
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
100000%
300 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L
9/11/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
86666.7%
260 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L
9/11/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
100000%
300 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L
9/10/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
83333.3%
250 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 249.7 µg/L
9/10/2014
11 years ago
DSMRT for Cactus Meter
Distribution System - GW ℹ️
136666.7%
410 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 409.7 µg/L
7/18/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
113333.3%
340 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L
6/10/2014
11 years ago
DSMRT for Chino Well 2
Distribution System - GW ℹ️
110000%
330 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 329.7 µg/L
6/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
93333.3%
280 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 279.7 µg/L
6/10/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
76666.7%
230 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 229.7 µg/L
6/10/2014
11 years ago
DSMRT for City Well 4A
Distribution System - GW ℹ️
116666.7%
350 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 349.7 µg/L
4/28/2014
11 years ago
DSMRT for City Well 2
Distribution System - GW ℹ️
113333.3%
340 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L
4/25/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
93333.3%
280 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 279.7 µg/L
4/25/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
126666.7%
380 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 379.7 µg/L
4/17/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
116666.7%
350 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 349.7 µg/L
4/17/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
100000%
300 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 299.7 µg/L
4/17/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
96666.7%
290 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 289.7 µg/L
4/17/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
93333.3%
280 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 279.7 µg/L
4/17/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
86666.7%
260 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L
4/15/2014
11 years ago
DSMRT for Rialto Well 3
Distribution System - GW ℹ️
86666.7%
260 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L
4/15/2014
11 years ago
DSMRT for Rialto Well 5
Distribution System - GW ℹ️
130000%
390 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L
3/4/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
83333.3%
250 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 249.7 µg/L
3/4/2014
11 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (32)

CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<2 µg/L
Below Reporting Level
7/26/2004
21 years ago
HIGHLAND WELL (RIAL 01N/05W-34B01
HIGHLAND WELL (RIALTO 2) ℹ️
0%
<2 µg/L
Below Reporting Level
7/26/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<2 µg/L
Below Reporting Level
7/21/2004
21 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/21/2004
21 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<2 µg/L
Below Reporting Level
7/21/2004
21 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<2 µg/L
Below Reporting Level
7/20/2004
21 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<2 µg/L
Below Reporting Level
7/18/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<2 µg/L
Below Reporting Level
7/11/2002
23 years ago
CITY WELL 03 01N/05W-36C01
CITY WELL 03 ℹ️
0%
<2 µg/L
Below Reporting Level
4/25/2002
23 years ago
CITY WELL 06 036/038-002
CITY WELL 06 ℹ️
0%
<2 µg/L
Below Reporting Level
4/2/2002
23 years ago
ETIWANDA WELL (RIAL 036/038-005
ETIWANDA WELL (RIALTO 06) ℹ️
0%
<2 µg/L
Below Reporting Level
4/2/2002
23 years ago
DUNCAN WELL (RIALTO 01S/05W-03A01
DUNCAN WELL (RIALTO 04) ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO TUDOR (CHINO 01S/05W-10H01
RIALTO TUDOR (CHINO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
CHINO WELL 02 01S/05W-02E02
CHINO WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
RIALTO WELL 05 01S/05W-14B01
RIALTO WELL 05 ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
CITY WELL 4A 3610038-019
CITY WELL 4A ℹ️
0%
<2 µg/L
Below Reporting Level
2/21/2002
23 years ago
AIRPORT WELL (RIALT 01N/05W-34M01
AIRPORT WELL (RIALTO 03) ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2002
23 years ago
CEDAR WELL (RIALTO 01N/05W-27D01
CEDAR WELL (RIALTO 01) ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2002
23 years ago
CITY WELL 02 01N/05W-23Q02
CITY WELL 02 ℹ️
0%
<2 µg/L
Below Reporting Level
2/20/2002
23 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

total microcystins (8)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/24/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/10/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/17/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/3/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/14/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
5/1/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/17/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/3/2020
5 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (18)

Entry Point to Dist. System
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/15/2020
4 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/28/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/18/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/5/2020
5 years ago
EP #22 Miro Well 3 Treated
Miro Well 3 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/23/2020
5 years ago
Entry Point to Dist. System
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/18/2020
5 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/18/2020
5 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/18/2020
5 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (26)

Entry Point to Dist. System
SWTP ℹ️
1400%
2.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.6 µg/L
12/11/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
550%
1.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L
12/11/2014
10 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
1400%
2.8 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.6 µg/L
9/18/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
2450%
4.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.7 µg/L
9/11/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
2000%
4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.8 µg/L
9/11/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
1950%
3.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.7 µg/L
9/11/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
1800%
3.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L
9/11/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
2700%
5.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.2 µg/L
9/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
1150%
2.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.1 µg/L
9/10/2014
11 years ago
DSMRT for Cactus Meter
Distribution System - GW ℹ️
1500%
3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.8 µg/L
7/18/2014
11 years ago
EP #20 - CH-2 TREATED
Chino Well 2 ℹ️
2650%
5.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.1 µg/L
6/10/2014
11 years ago
DSMRT for Chino Well 2
Distribution System - GW ℹ️
2150%
4.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.1 µg/L
6/10/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
1600%
3.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3 µg/L
6/10/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
950%
1.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.7 µg/L
6/10/2014
11 years ago
DSMRT for City Well 4A
Distribution System - GW ℹ️
1550%
3.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.9 µg/L
4/28/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
1800%
3.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L
4/25/2014
11 years ago
DSMRT for City Well 2
Distribution System - GW ℹ️
1500%
3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.8 µg/L
4/25/2014
11 years ago
EP #21 - Rialto Well 5 TREATED
Rialto Well 5 ℹ️
2150%
4.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.1 µg/L
4/17/2014
11 years ago
Entry Point to Dist. System
Cactus Meter ℹ️
2000%
4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.8 µg/L
4/17/2014
11 years ago
EP #24: R-1
Rialto Well 1 ℹ️
1950%
3.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.7 µg/L
4/17/2014
11 years ago
Entry Point to Dist. System
SWTP ℹ️
1850%
3.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.5 µg/L
4/17/2014
11 years ago
EP #29 - C-4A TREATED
City Well 4A ℹ️
1650%
3.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.1 µg/L
4/17/2014
11 years ago
DSMRT for Rialto Well 3
Distribution System - GW ℹ️
3050%
6.1 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.9 µg/L
4/15/2014
11 years ago
EP #23 - R-3 TREATED
Rialto Well 3 ℹ️
2700%
5.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.2 µg/L
4/15/2014
11 years ago
EP #27 - C-2 TREATED
City Well 2 ℹ️
1650%
3.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.1 µg/L
3/4/2014
11 years ago
DSMRT for Rialto Well 5
Distribution System - GW ℹ️
1200%
2.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.2 µg/L
3/4/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

SWTP
Surface Water (SW)

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

City Well 2
Ground Water (GW)

EP #27 - C-2 TREATEDEntry Point to the Distribution System (EP)

Rialto Well 3
Ground Water (GW)

EP #23 - R-3 TREATEDEntry Point to the Distribution System (EP)

City Well 4A
Ground Water (GW)

EP #29 - C-4A TREATEDEntry Point to the Distribution System (EP)

Cactus Meter
Ground Water (GW)

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

Rialto Well 5
Ground Water (GW)

EP #21 - Rialto Well 5 TREATEDEntry Point to the Distribution System (EP)
R-5Entry Point to the Distribution System (EP)

Chino Well 2
Ground Water (GW)

EP #20 - CH-2 TREATEDEntry Point to the Distribution System (EP)
CH-2Entry Point to the Distribution System (EP)

Miro Well 3
Ground Water (GW)

EP #22 Miro Well 3 TreatedEntry Point to the Distribution System (EP)

EW-1 Well
Ground Water (GW)

EP #30 EW-1 Well TreatedEntry Point to the Distribution System (EP)

Stage 2
Multiple Sources (MX)

749 E HollyDistribution System (DS)

Stage 2
Multiple Sources (MX)

978 N DriftwoodDistribution System (DS)

Stage 2
Multiple Sources (MX)

1228 W MerrillDistribution System (DS)

Stage 2
Multiple Sources (MX)

101 E ValleyDistribution System (DS)

Rialto Well 1
Ground Water (GW)

EP #24: R-1Entry Point to the Distribution System (EP)

Distribution System - SW
Surface Water (SW)

DSMRT for SWTPMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Chino Well 2Maximum Residence Time (MR)
DSMRT for Rialto Well 5Maximum Residence Time (MR)
DSMRT for City Well 2Maximum Residence Time (MR)
DSMRT for Cactus MeterMaximum Residence Time (MR)
DSMRT for Rialto Well 3Maximum Residence Time (MR)
DSMRT for City Well 4AMaximum Residence Time (MR)

EP#022 CHINO WELL 01 TREATED
Ground Water (GW)

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

EP #028 CITY WELL #03
Ground Water (GW)

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

AIRPORT WELL (RIALTO 03)
Ground Water (GW)

AIRPORT WELL (RIALT 01N/05W-34M01SR (SR)

CEDAR WELL (RIALTO 01)
Ground Water (GW)

CEDAR WELL (RIALTO 01N/05W-27D01SR (SR)

CITY WELL 02
Ground Water (GW)

CITY WELL 02 01N/05W-23Q02SR (SR)

CITY WELL 03
Ground Water (GW)

CITY WELL 03 01N/05W-36C01SR (SR)

CITY WELL 06
Ground Water (GW)

CITY WELL 06 036/038-002SR (SR)

DUNCAN WELL (RIALTO 04)
Ground Water (GW)

DUNCAN WELL (RIALTO 01S/05W-03A01SR (SR)

ETIWANDA WELL (RIALTO 06)
Ground Water (GW)

ETIWANDA WELL (RIAL 036/038-005SR (SR)

HIGHLAND WELL (RIALTO 2)
Ground Water (GW)

HIGHLAND WELL (RIAL 01N/05W-34B01SR (SR)

RIALTO TUDOR (CHINO 01)
Ground Water (GW)

RIALTO TUDOR (CHINO 01S/05W-10H01SR (SR)

CHINO WELL 02
Ground Water (GW)

CHINO WELL 02 01S/05W-02E02SR (SR)

RIALTO WELL 05
Ground Water (GW)

RIALTO WELL 05 01S/05W-14B01SR (SR)

CITY WELL 4A
Surface Water (SW)

CITY WELL 4A 3610038-019SR (SR)

FAQ

Is City of Rialto tap water safe to drink?

When was City of Rialto last tested for water contamination?

The latest water samples were taken on April 25th, 2024.