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Water system · PWSID MT0000181

COLUMBIA FALLS CITY OF

COLUMBIA FALLS, MT · ~4,450 people served

Check your exact address → COLUMBIA FALLS overview
100
Excellent
PurityRadar safety score

PWSID

MT0000181

State

Montana

City

COLUMBIA FALLS

Population served

4,450

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

31

Violations on record

0

Unaddressed

5

Health-based

29

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2022. Official EPA record →

Monitoring & reporting · EPA contaminant 2040 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2041 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 2042 began Jul 2022 Resolved

Recent enforcement actions

  • State action · SIE Oct 2022
  • State action · SIA Oct 2022
  • State action · SOX Oct 2022
  • State action · SIE Aug 2017
  • State action · SIA Aug 2017
  • State action · SOX Aug 2017
  • State action · SOX Oct 2010
  • State action · SIF Nov 2009

This profile is built from EPA public records for system MT0000181 — 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.