PlainWater

EL CENTRO, CITY OF

PWS ID: CA1310004 · EL CENTRO, California 92243

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
43,772
Total Violations
12
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
10,229
County
Imperial
School/Daycare
No
MCL Violations
2
Monitoring Violations
10
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 4 2014
Total Haloacetic Acids (HAA5) MR 4 2014
TTHM MCL 2 2002
Lead and Copper Rule MR 2 2001

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 70 samples detected PFAS.

Contaminant Date Result MRL Status
PFOA 8/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/28/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/28/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/28/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/28/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/28/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/28/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFPeA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/11/2024 49.0000 µg/L 9 µg/L Detected
PFTrDA 4/16/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 4/16/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 4/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 4/16/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 4/16/2024 57.0000 µg/L 9 µg/L Detected
NMeFOSAA 2/27/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 2/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 2/27/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 2/27/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFMPA 10/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 10/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 10/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 10/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 10/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 10/16/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 10/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.