PlainWater

CALAVERAS PUD

PWS ID: CA0510002 · SAN ANDREAS, California 95249

Population Served
6,286
Total Violations
18
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,972
County
Calaveras
School/Daycare
No
MCL Violations
1
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 7 2005
Lead and Copper Rule MR 2 2013
Coliform (TCR) MR 2 2007
Coliform (TCR) MCL 1 1992

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 9/12/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 9/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 9/12/2023 <9 µg/L 9 µg/L Not Detected
PFNA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 9/12/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHxS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/12/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/12/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFNA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/20/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/20/2023 <0.006 µg/L 0.006 µg/L Not Detected
ADONA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 6/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/20/2023 <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.