💧 ZIP Water Report

Washougal City Of

PWSID WA5393400 · Washougal, Washington · serves 21,441 people · groundwater source

C
Fair

PFAS test results (EPA UCMR 5)

ContaminantResultFederal limit (MCL)Sampled
PFOS 7.9 ppt 4 ppt 8/5/2025
PFOS 7.2 ppt 4 ppt 2/19/2026
PFOS 5.3 ppt 4 ppt 8/5/2025
PFOS 5 ppt 4 ppt 2/19/2026
PFBS 3.3 ppt — 8/5/2025
PFBS 3.3 ppt — 8/5/2025
PFPeA 3.1 ppt — 8/5/2025
PFBS 3 ppt — 2/19/2026

ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.

Violation history

No violations on record in the period covered. 🎉

ZIP codes served