PlainWater

VERNON-CITY, WATER DEPT.

PWS ID: CA1910167 · VERNON, California 90058

PFAS Detected

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

Population Served
28,112
Total Violations
6
Health-Based Violations
6
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,215
County
Los Angeles
School/Daycare
No
MCL Violations
6
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 1999

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 480 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 9/27/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 9/27/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFDoA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/27/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFMBA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/27/2023 <9 µg/L 9 µg/L Not Detected
PFMPA 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/27/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/27/2023 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/27/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/27/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 9/27/2023 <0.006 µg/L 0.006 µg/L Not Detected
9Cl-PF3ONS 9/27/2023 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/27/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 9/27/2023 <0.008 µg/L 0.008 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.