💧 ZIP Water Report

Skagit County Pud 1 Judy Res

PWSID WA5379500 · Mount Vernon, Washington · serves 111,415 people · surface water source

B
Good

PFAS test results (EPA UCMR 5)

ContaminantResultFederal limit (MCL)Sampled
PFBA 21.1 ppt — 5/14/2025

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

Violation history

DateViolationTypeHealth-basedStatus
2026-01-01 Surface Water Treatment Rule MR No Resolved
2024-07-01 Consumer Confidence Rule Other No Resolved

ZIP codes served