PlainWater

HI DESERT WD

PWS ID: CA3610073 · YUCCA VALLEY, California 92284

PFAS Detected

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

Population Served
26,411
Total Violations
17
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
11,123
County
San Bernardino
School/Daycare
No
MCL Violations
14
Monitoring Violations
2
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 14 1998
Coliform (TCR) MR 2 2008
LEAD AND COPPER RULE REVISIONS RPT 1 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 14 of 394 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 9/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 9/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/16/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 9/16/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/16/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/16/2024 <0.008 µg/L 0.008 µg/L Not Detected
4:2 FTS 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/16/2024 19.0000 µg/L 9 µg/L Detected
PFOS 9/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 9/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
4:2 FTS 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 9/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/16/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 9/16/2024 <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.