PlainWater

FORKS MUNICIPAL WATER DEPT

PWS ID: WA5326000 · FORKS, Washington 98331

Population Served
4,744
Total Violations
15
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,104
County
Clallam
School/Daycare
No
MCL Violations
0
Monitoring Violations
12
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 2 2000
Revised Total Coliform Rule MON 1 2022
Fluoride MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1979
Nitrate MR 1 1979
Arsenic MR 1 1979
Chromium MR 1 1979
Barium MR 1 1979
Mercury MR 1 1979
Cadmium MR 1 1979
Selenium MR 1 1979

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFTA 8/20/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/20/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/20/2025 <0.006 µg/L 0.006 µg/L Not Detected
HFPO-DA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/20/2025 <9 µg/L 9 µg/L Not Detected
PFBA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/20/2025 <0.02 µg/L 0.02 µg/L Not Detected
6:2 FTS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/20/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/20/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFOS 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/20/2025 <0.008 µg/L 0.008 µg/L Not Detected
ADONA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/20/2025 <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.