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Water system · PWSID WA5362650

OAK HARBOR CITY OF

Oak Harbor, WA · ~23,767 people served

Check your exact address → Oak Harbor overview
100
Excellent
PurityRadar safety score

PWSID

WA5362650

State

Washington

City

Oak Harbor

Population served

23,767

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

3

Violations on record

0

Unaddressed

0

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2024. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2024 Resolved
Monitoring & reporting · Total coliform began Aug 2013 Resolved

Recent enforcement actions

  • State action · SOX Jun 2024
  • State action · SOX Jun 2024
  • State action · SOX Sep 2013
  • State action · SIC Sep 1986

This profile is built from EPA public records for system WA5362650 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.