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Water system · PWSID OR4100546

MOUNT VERNON, CITY OF

MOUNT VERNON, OR · ~510 people served

Check your exact address → MOUNT VERNON overview
100
Excellent
PurityRadar safety score

PWSID

OR4100546

State

Oregon

City

MOUNT VERNON

Population served

510

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

89

Violations on record

0

Unaddressed

3

Health-based

100

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved
Other · EPA contaminant 7500 began Dec 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2015 Resolved
Monitoring & reporting · Total coliform began Nov 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2007 Resolved
Monitoring & reporting · Total coliform began Aug 2006 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2383 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2274 began Jan 2005 Resolved
Monitoring & reporting · Total coliform began Jul 2003 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 2002 Resolved
Monitoring & reporting · Barium began Jan 2002 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SOX Aug 2016
  • State action · SOX Dec 2015
  • State action · SIE Nov 2015
  • State action · SO0 Dec 2010
  • State action · SOX Nov 2010
  • State action · SOX Nov 2010
  • State action · SOX Nov 2010

This profile is built from EPA public records for system OR4100546 — 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.