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Water system · PWSID MT0000212

FAIRFIELD TOWN OF

FAIRFIELD, MT · ~718 people served

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

PWSID

MT0000212

State

Montana

City

FAIRFIELD

Population served

718

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

Latest detections from EPA’s UCMR5 monitoring (through Aug 2025). Levels in parts per trillion (ppt).

Lithium

24,500 ppt

limit —

No federal limit

Violations & enforcement

128

Violations on record

0

Unaddressed

0

Health-based

76

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2020. Official EPA record →

Monitoring · Lead & Copper Rule began Jun 2020 Resolved
Monitoring & reporting · Thallium began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2037 began Apr 2017 Resolved
Monitoring & reporting · EPA contaminant 2015 began Apr 2017 Resolved
Monitoring & reporting · EPA contaminant 2035 began Apr 2017 Resolved
Monitoring & reporting · EPA contaminant 2010 began Apr 2017 Resolved
Monitoring & reporting · EPA contaminant 2031 began Apr 2017 Resolved
Monitoring & reporting · EPA contaminant 2020 began Apr 2017 Resolved
Monitoring & reporting · Uranium began Apr 2017 Resolved
Monitoring & reporting · Gross alpha began Apr 2017 Resolved
Monitoring & reporting · EPA contaminant 2005 began Apr 2017 Resolved
Monitoring & reporting · EPA contaminant 2036 began Apr 2017 Resolved

Recent enforcement actions

  • State action · SIF Aug 2020
  • State action · SIE Jul 2020
  • State action · SIA Jul 2020
  • State action · SOX Jul 2020
  • State action · SOX Apr 2019
  • State action · SIE Apr 2019
  • State action · SIA Apr 2019
  • State action · SIF Aug 2017

This profile is built from EPA public records for system MT0000212 — 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.