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Water system · PWSID MT0000524

HAVRE CITY OF

HAVRE, MT · ~9,921 people served

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

PWSID

MT0000524

State

Montana

City

HAVRE

Population served

9,921

Primary source

Surface water

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 Oct 2024). Levels in parts per trillion (ppt).

Lithium

12,000 ppt

limit —

No federal limit

Violations & enforcement

23

Violations on record

0

Unaddressed

2

Health-based

45

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2025. Official EPA record →

Monitoring & reporting · EPA contaminant 0200 began Oct 2024 Resolved
Monitoring · Lead & Copper Rule began May 2024 Resolved
Other · EPA contaminant 7500 began Feb 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 0200 began Jul 2019 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Monitoring & reporting · EPA contaminant 1094 began Jan 2011 Resolved
Treatment technique · EPA contaminant 0300 health-based began Feb 2007 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2005 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2005 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2005 Resolved

Recent enforcement actions

  • State action · SIF Mar 2025
  • State action · SIA Mar 2025
  • State action · SIE Mar 2025
  • State action · SOX Mar 2025
  • State action · SFL Oct 2024
  • State action · SIA Aug 2024
  • State action · SIE Aug 2024
  • State action · SIA Jul 2024

This profile is built from EPA public records for system MT0000524 — 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.