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Water system · PWSID 083090003

BLACKFOOT WATER SYSTEM

BROWNING, MT · ~56 people served

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

PWSID

083090003

State

Montana

City

BROWNING

Population served

56

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

37

Violations on record

0

Unaddressed

6

Health-based

25

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2024. Official EPA record →

Monitoring · Lead & Copper Rule began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 3014 began Aug 2024 Resolved
Other · EPA contaminant 7000 began Oct 2023 Resolved
Monitoring · Lead & Copper Rule began Sep 2023 Resolved
Other · EPA contaminant 7000 began Oct 2018 Resolved
Treatment technique · Lead & Copper Rule health-based began Aug 2018 Resolved
Treatment technique · EPA contaminant 0700 health-based began Aug 2018 Resolved
Monitoring · Lead & Copper Rule began Feb 2018 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2018 Resolved
Treatment technique · Lead & Copper Rule health-based began Sep 2017 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 2017 Resolved

Recent enforcement actions

  • State action · SOX Nov 2024
  • State action · SOX Aug 2024
  • State action · SOX Dec 2023
  • State action · SIA Nov 2023
  • State action · SOX Oct 2023
  • State action · SOX Mar 2021
  • EPA/federal action · EFL Jan 2021
  • State action · SIE Oct 2020

This profile is built from EPA public records for system 083090003 — 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.