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Water system · PWSID OR4100949

WESTON, CITY OF

WESTON, OR · ~714 people served

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

PWSID

OR4100949

State

Oregon

City

WESTON

Population served

714

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

13

Violations on record

0

Unaddressed

7

Health-based

18

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved
Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring · Lead & Copper Rule began Mar 2024 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2000 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1998 Resolved
Monitoring & reporting · Total coliform began Jun 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 1998 Resolved
Monitoring & reporting · Gross alpha began Jan 1996 Resolved
Monitoring & reporting · Total coliform began Aug 1993 Resolved

Recent enforcement actions

  • State action · SOX Aug 2025
  • State action · SOX May 2024
  • State action · SOX Mar 2012
  • State action · SIA Jun 2011
  • State action · SIE Jun 2011
  • State action · SOX Nov 2008
  • State action · SOX Jan 2007
  • State action · SOX Aug 2005

This profile is built from EPA public records for system OR4100949 — 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.