PlainWater

CWSC SALINAS

PWS ID: CA2710010 · SAN JOSE, California 95112

PFAS Detected

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

Population Served
123,679
Total Violations
24
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
24,093
County
Monterey
School/Daycare
No
MCL Violations
5
Monitoring Violations
14
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 8 2012
Coliform (TCR) MR 6 2011
Nitrate MCL 4 2010
Coliform (TCR) MCL 1 1992

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 32 of 1170 samples detected PFAS.

Contaminant Date Result MRL Status
PFOS 9/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 9/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 9/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 9/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeA 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 9/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 9/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/10/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFDA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/10/2024 <0.004 µg/L 0.004 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.