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Water system · PWSID MT0003150

SAGE CREEK CO WATER DISTRICT

CHESTER, MT · ~225 people served

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

PWSID

MT0003150

State

Montana

City

CHESTER

Population served

225

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

27

Violations on record

1

Unaddressed

0

Health-based

66

Enforcement actions

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

Other · EPA contaminant 7000 began Oct 2025 Unaddressed
Monitoring · Lead & Copper Rule began Feb 2025 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2024 Resolved
Other · EPA contaminant 7000 began Jul 2024 Resolved
Other · EPA contaminant 7000 began Jul 2022 Resolved
Other · EPA contaminant 7000 began Oct 2020 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Other · EPA contaminant 7000 began Oct 2012 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Monitoring & reporting · EPA contaminant 3014 began Sep 2011 Resolved
Other · EPA contaminant 7000 began Oct 2010 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved

Recent enforcement actions

  • State action · SOX Dec 2025
  • State action · SIA Oct 2025
  • State action · SOX Mar 2025
  • State action · SIA Mar 2025
  • State action · SIE Mar 2025
  • State action · SIA Feb 2025
  • State action · SOX Aug 2024
  • State action · SIA Jul 2024

This profile is built from EPA public records for system MT0003150 — 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.