PlainWater
States → California

CWSC KING CITY

PWS ID: CA2710009 · SAN JOSE, California 95112

PFAS Detected

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

Population Served
16,334
Total Violations
4
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
2,916
County
Monterey
School/Daycare
No
MCL Violations
1
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 1 1992

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 12 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/19/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 8/19/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/19/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/22/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/22/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 7/22/2025 14.0000 µg/L 9 µg/L Detected
PFTrDA 7/22/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFMBA 7/22/2025 <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.