PlainWater

CENTINELA STATE PRISON

PWS ID: CA1310801 · IMPERIAL, California 92251

PFAS Detected

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

Population Served
4,100
Total Violations
57
Health-Based Violations
51
Water Source
Surface Water

System Details

System Type
Community
Owner Type
State
Connections
2,001
County
Imperial
School/Daycare
No
MCL Violations
49
Monitoring Violations
3
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 49 2015
Chlorine MR 3 2004
Public Notice Other 3 2006
Surface Water Treatment Rule TT 2 2012

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 8/14/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/14/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/14/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 7/17/2024 52.0000 µg/L 9 µg/L Detected
PFMPA 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 4/10/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 4/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/10/2024 73.8000 µg/L 9 µg/L Detected
11Cl-PF3OUdS 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 4/10/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 4/10/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFDoA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 4/10/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 2/14/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 2/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 2/14/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 2/14/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFMBA 12/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 12/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 12/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 12/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 12/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 12/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 12/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 12/11/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 12/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 12/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 12/11/2024 <0.02 µg/L 0.02 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.