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Water system · PWSID OR4100057

OLNEY-WALLUSKI WATER ASSN

100
Excellent
PurityRadar safety score

PWSID

OR4100057

State

Oregon

City

ASTORIA

Population served

575

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

34

Violations on record

0

Unaddressed

3

Health-based

41

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →

Monitoring · Lead & Copper Rule began Oct 2025 Resolved
Other · EPA contaminant 7000 began Jul 2025 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2014 Resolved
Monitoring & reporting · Total coliform began Feb 2012 Resolved
Monitoring & reporting · Total coliform began Jun 2010 Resolved
Monitoring & reporting · Total coliform began May 2009 Resolved
Monitoring & reporting · Total coliform began Apr 2008 Resolved
Monitoring & reporting · Total coliform began Mar 2008 Resolved
Monitoring & reporting · Total coliform began Dec 2007 Resolved

Recent enforcement actions

  • State action · SOX Dec 2025
  • State action · SOX Aug 2025
  • State action · SOX Oct 2024
  • State action · SOX Mar 2015
  • State action · SIF Oct 2013
  • State action · SIA Mar 2012
  • State action · SOX Mar 2012
  • State action · SIF Jan 2011

This profile is built from EPA public records for system OR4100057 — 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.