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Water system · PWSID MT0002806

WINDY ACRES WUA

GREAT FALLS, MT · ~50 people served

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

PWSID

MT0002806

State

Montana

City

GREAT FALLS

Population served

50

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

11

Violations on record

0

Unaddressed

4

Health-based

34

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2023. Official EPA record →

Monitoring & reporting · Arsenic began Apr 2023 Resolved
Monitoring & reporting · Gross alpha began Jul 2014 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Apr 2014 Resolved
Monitoring & reporting · Gross alpha began Jan 2014 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2014 Resolved
Monitoring & reporting · EPA contaminant 3014 began Dec 2011 Resolved
Monitoring & reporting · Gross alpha began Oct 2009 Resolved
Monitoring & reporting · Total coliform began Aug 2008 Resolved
Monitoring & reporting · Total coliform began Aug 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 1994 Resolved

Recent enforcement actions

  • State action · SIA Jul 2023
  • State action · SIE Jul 2023
  • State action · SOX Jun 2023
  • State action · SIF Oct 2014
  • State action · SIE Oct 2014
  • State action · SIA Oct 2014
  • State action · SOX Sep 2014
  • State action · SOX Sep 2014

This profile is built from EPA public records for system MT0002806 — 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.