PlainWater

BOLINAS COMMUNITY PUD

PWS ID: CA2110005 · BOLINAS, California 94924

PFAS Detected

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

Population Served
2,483
Total Violations
142
Health-Based Violations
127
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
587
County
Marin
School/Daycare
No
MCL Violations
118
Monitoring Violations
5
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 61 2013
TTHM MCL 57 2011
Surface Water Treatment Rule TT 9 1993
Coliform (TCR) MR 5 2006

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 9/12/2023 <0.006 µg/L 0.006 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
PFTA 9/12/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 9/12/2023 13.6000 µg/L 9 µg/L Detected
PFPeA 6/20/2023 <0.003 µg/L 0.003 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
PFPeS 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
4:2 FTS 6/20/2023 <0.003 µg/L 0.003 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
PFBS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/20/2023 <0.004 µg/L 0.004 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
NMeFOSAA 6/20/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/20/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFDA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 6/20/2023 12.5000 µg/L 9 µg/L Detected
PFTA 6/20/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFMPA 3/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 3/22/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 3/22/2023 <0.007 µg/L 0.007 µg/L Not Detected
lithium 3/22/2023 <9 µg/L 9 µg/L Not Detected
PFBA 3/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 3/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 3/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 3/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 3/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 3/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/22/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 3/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 3/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 3/22/2023 <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.