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Water system · PWSID MT0000251

HOT SPRINGS MUNICIPAL WATER

100
Excellent
PurityRadar safety score

PWSID

MT0000251

State

Montana

City

HOT SPRINGS

Population served

600

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

37

Violations on record

0

Unaddressed

1

Health-based

49

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved
Monitoring & reporting · Uranium began Apr 2023 Resolved
Monitoring & reporting · Gross alpha began Apr 2023 Resolved
Monitoring & reporting · Thallium began Jan 2018 Resolved
Monitoring & reporting · Total coliform began Sep 2015 Resolved
Monitoring & reporting · Thallium began Jan 2012 Resolved
Monitoring & reporting · Thallium began Jan 2012 Resolved
Monitoring & reporting · Thallium began Jan 2012 Resolved
Monitoring & reporting · Total coliform began Oct 2009 Resolved
Monitoring & reporting · Total coliform began May 2009 Resolved
Other · EPA contaminant 7000 began Jul 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2005 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SIA Jul 2025
  • State action · SIE Jul 2023
  • State action · SIA Jul 2023
  • State action · SIE Jul 2023
  • State action · SIA Jul 2023
  • State action · SOX Jun 2023
  • State action · SOX Jun 2023

This profile is built from EPA public records for system MT0000251 — 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.