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Water system · PWSID MT0004722

FISHERMANS VILLAGE SUBDIVISION

WEST YELLOWSTONE, MT · ~25 people served

Check your exact address → WEST YELLOWSTONE overview
100
Excellent
PurityRadar safety score

PWSID

MT0004722

State

Montana

City

WEST YELLOWSTONE

Population served

25

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

145

Violations on record

3

Unaddressed

8

Health-based

114

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2026. Official EPA record →

Treatment technique · Lead & Copper Rule health-based began Jan 2026 Unaddressed
Other · EPA contaminant 7000 began Oct 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Monitoring & reporting · EPA contaminant 3014 began Nov 2025 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2025 Resolved
Monitoring & reporting · Lead & Copper Rule began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2040 began Jan 2025 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jan 2025 Resolved
Monitoring & reporting · EPA contaminant 2041 began Jan 2025 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jan 2025 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2025 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2025 Resolved

Recent enforcement actions

  • State action · SIA Jan 2026
  • State action · SIE Jan 2026
  • State action · SIE Dec 2025
  • State action · SIA Dec 2025
  • State action · SOX Nov 2025
  • State action · SIA Oct 2025
  • State action · SOX Sep 2025
  • State action · SIA Jul 2025

This profile is built from EPA public records for system MT0004722 — 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.