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CHINA LAKE NAVAL AIR WEAPONS STATION

PWS ID: CA1510703 · CHINA LAKE, California 93555-6108

PFAS Detected

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

Population Served
6,600
Total Violations
32
Health-Based Violations
15
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
969
County
Kern
School/Daycare
No
MCL Violations
15
Monitoring Violations
14
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 15 2013
Coliform (TCR) MR 10 2006
Nitrate MR 2 1998
Total Haloacetic Acids (HAA5) MR 1 2020
TTHM MR 1 2020

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
lithium 5/21/2024 29.3000 µg/L 9 µg/L Detected
PFOS 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 5/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 5/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFPeA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/21/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/21/2024 <0.007 µg/L 0.007 µg/L Not Detected
6:2 FTS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/21/2024 104.0000 µg/L 9 µg/L Detected
PFPeS 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/21/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFBA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/21/2024 <0.005 µg/L 0.005 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.