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Water system · PWSID MT0004241

KOOTENAI CREEK VILLAGE

HAMILTON, MT · ~175 people served

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

PWSID

MT0004241

State

Montana

City

HAMILTON

Population served

175

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

12

Violations on record

0

Unaddressed

6

Health-based

47

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2019. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2016 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2016 Resolved
Monitoring & reporting · EPA contaminant 1094 began Jan 2011 Resolved
Other · EPA contaminant 7000 began Jul 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2007 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2007 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2006 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2004 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2002 Resolved

Recent enforcement actions

  • State action · SOX Aug 2019
  • State action · SIE Oct 2018
  • State action · SIA Oct 2018
  • State action · SIF Mar 2014
  • State action · SOX Feb 2014
  • State action · SIA Jan 2014
  • State action · SIE Jan 2014
  • State action · SOX Dec 2008

This profile is built from EPA public records for system MT0004241 — 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.