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Water system · PWSID WA5354370

METHOW WATER SYSTEM INC

METHOW, WA · ~45 people served

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

PWSID

WA5354370

State

Washington

City

METHOW

Population served

45

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

22

Violations on record

0

Unaddressed

0

Health-based

8

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2022. Official EPA record →

Monitoring · Lead & Copper Rule began Nov 2022 Resolved
Monitoring · Lead & Copper Rule began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2964 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 2968 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 2969 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 2976 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 2977 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 2979 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 2980 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 2981 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 2982 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 2378 began Oct 2004 Resolved

Recent enforcement actions

  • State action · SOX Dec 2022
  • State action · SOX Jul 2006
  • State action · SIA Jul 1995
  • State action · SIA Oct 1994
  • State action · SIA Aug 1993
  • State action · SIA Sep 1986
  • State action · SIF Sep 1986
  • State action · SIE Sep 1986

This profile is built from EPA public records for system WA5354370 — 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.