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Water system · PWSID MT0000289

MEDICINE LAKE TOWN OF

MEDICINE LAKE, MT · ~600 people served

Check your exact address → MEDICINE LAKE overview
100
Excellent
PurityRadar safety score

PWSID

MT0000289

State

Montana

City

MEDICINE LAKE

Population served

600

Primary source

SWP

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

46

Violations on record

0

Unaddressed

9

Health-based

66

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2018. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Dec 2017 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2015 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2015 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2014 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2014 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2014 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2014 Resolved
Monitoring & reporting · Total coliform began Oct 2011 Resolved
Monitoring & reporting · Total coliform began Jul 2005 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Feb 2018
  • State action · SIA Jan 2018
  • State action · SIA Jul 2017
  • State action · SIA Jul 2017
  • State action · SIE Jul 2017
  • State action · SIE Jul 2017
  • State action · SOX Jul 2017
  • State action · SOX Jul 2017

This profile is built from EPA public records for system MT0000289 — 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.