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Water system · PWSID OR4100617

RIETH WATER DISTRICT

PENDLETON, OR · ~150 people served

Check your exact address → PENDLETON overview
100
Excellent
PurityRadar safety score

PWSID

OR4100617

State

Oregon

City

PENDLETON

Population served

150

Primary source

Groundwater

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

46

Violations on record

0

Unaddressed

10

Health-based

51

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · Total coliform began Jan 2012 Resolved
Monitoring & reporting · Total coliform began Dec 2011 Resolved
Monitoring & reporting · Total coliform began Aug 2009 Resolved
Monitoring & reporting · Total coliform began Jul 2008 Resolved
Monitoring & reporting · Total coliform began Dec 2007 Resolved
Monitoring & reporting · Total coliform began Oct 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2007 Resolved
Monitoring & reporting · Total coliform began Feb 2007 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2005 Resolved
Monitoring & reporting · Total coliform began Nov 2004 Resolved

Recent enforcement actions

  • State action · SOX Jul 2024
  • State action · SIA Feb 2012
  • State action · SOX Feb 2012
  • State action · SOX Feb 2012
  • State action · SIA Jan 2012
  • State action · SOX Sep 2009
  • State action · SIA Sep 2009
  • State action · SOX Sep 2009

This profile is built from EPA public records for system OR4100617 — 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.