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Water system · PWSID MT0000359

WHITEHALL TOWN OF

WHITEHALL, MT · ~1,500 people served

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

PWSID

MT0000359

State

Montana

City

WHITEHALL

Population served

1,500

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

179

Violations on record

0

Unaddressed

14

Health-based

172

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2026. Official EPA record →

Max contaminant level (MCL) · Combined radium-226/228 health-based began Jan 2026 Addressed
Max contaminant level (MCL) · Gross alpha health-based began Jul 2025 Resolved
Monitoring & reporting · EPA contaminant 3014 began Dec 2024 Resolved
Monitoring & reporting · EPA contaminant 3014 began Nov 2024 Resolved
Monitoring · Lead & Copper Rule began Aug 2023 Resolved
Monitoring & reporting · Gross alpha began Jul 2023 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Jan 2023 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jul 2020 Resolved
Monitoring & reporting · EPA contaminant 1094 began Jan 2020 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Jan 2017 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Oct 2016 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Jul 2016 Resolved

Recent enforcement actions

  • State action · SOX Feb 2026
  • State action · SIE Jan 2026
  • State action · SIA Jan 2026
  • State action · SIA Aug 2025
  • State action · SIE Aug 2025
  • State action · SOX Jan 2025
  • State action · SIE Jan 2025
  • State action · SIA Jan 2025

This profile is built from EPA public records for system MT0000359 — 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.