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States → California

COVINA-CITY, WATER DEPT.

PWS ID: CA1910127 · COVINA, California 91723

PFAS Detected

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

Population Served
33,300
Total Violations
9
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
8,617
County
Los Angeles
School/Daycare
No
MCL Violations
1
Monitoring Violations
2
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 3 1993
Coliform (TCR) MR 2 1997
Nitrate MCL 1 1984

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 3/19/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFMPA 3/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 3/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 3/19/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 3/19/2025 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 3/19/2025 <0.006 µg/L 0.006 µg/L Not Detected
6:2 FTS 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 3/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 3/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 3/19/2025 <9 µg/L 9 µg/L Not Detected
PFDA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/19/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 3/19/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 3/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 3/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 3/19/2025 <0.008 µg/L 0.008 µg/L Not Detected
ADONA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 3/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 3/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 3/19/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFNA 3/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 3/19/2025 <9 µg/L 9 µg/L Not Detected
PFEESA 3/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/19/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 3/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 3/19/2025 <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.