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Water system · PWSID MT0000258

JUDITH GAP TOWN OF

JUDITH GAP, MT · ~126 people served

Check your exact address → JUDITH GAP overview
100
Excellent
PurityRadar safety score

PWSID

MT0000258

State

Montana

City

JUDITH GAP

Population served

126

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

21

Violations on record

0

Unaddressed

1

Health-based

42

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2019 Resolved
Monitoring · Lead & Copper Rule began Sep 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2017 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2011 Resolved
Monitoring & reporting · Thallium began Jan 2000 Resolved
Other · EPA contaminant 7000 began Oct 1999 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 1999 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1999 Resolved

Recent enforcement actions

  • State action · SOX May 2022
  • State action · SOX Aug 2021
  • State action · SIA Jul 2021
  • State action · SOX Jan 2021
  • State action · SIA Jan 2021
  • State action · SIA Oct 2020
  • State action · SIE Oct 2020
  • State action · SOX Sep 2020

This profile is built from EPA public records for system MT0000258 — 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.