PlainWater
States → California

PICO RIVERA - CITY, WATER DEPT.

PWS ID: CA1910042 · PICO RIVERA, California 90660

PFAS Detected

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

Population Served
40,600
Total Violations
17
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
9,474
County
Los Angeles
School/Daycare
No
MCL Violations
4
Monitoring Violations
10
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 4 1994
Lead and Copper Rule MR 2 1999
Chlorine MR 2 2021
Coliform (TCR) MR 2 2003
Revised Total Coliform Rule MON 2 2022
E. COLI MR 2 2021

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 89 of 450 samples detected PFAS.

Contaminant Date Result MRL Status
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
PFUnA 8/28/2024 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 8/28/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 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
11Cl-PF3OUdS 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 8/28/2024 0.0076 µg/L 0.004 µg/L Detected
PFOS 8/28/2024 0.0290 µg/L 0.004 µg/L Detected
PFHxS 8/28/2024 0.0033 µg/L 0.003 µg/L Detected
PFBS 8/28/2024 0.0088 µg/L 0.003 µg/L Detected
ADONA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/28/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 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
PFBA 8/28/2024 0.0120 µg/L 0.005 µg/L Detected
HFPO-DA 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/28/2024 <0.007 µg/L 0.007 µg/L Not Detected
lithium 8/28/2024 <9 µg/L 9 µg/L Not Detected
PFPeS 8/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/28/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 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
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
PFHxA 8/28/2024 0.0110 µg/L 0.003 µg/L Detected
PFDoA 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
PFOS 8/28/2024 0.0098 µg/L 0.004 µg/L Detected
PFHxS 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/28/2024 0.0042 µg/L 0.003 µg/L Detected
lithium 8/28/2024 <9 µg/L 9 µg/L Not Detected
NEtFOSAA 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/28/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 8/28/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 8/28/2024 0.0066 µg/L 0.004 µg/L Detected
NMeFOSAA 8/28/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFMBA 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
11Cl-PF3OUdS 8/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 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
PFPeA 8/28/2024 0.0130 µg/L 0.003 µg/L 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.