TRI COUNTY WATER DISTRICT

POWER, MT · ~470 people served

Check your exact address → POWER overview

100

Excellent

PurityRadar safety score

PWSID

MT0002912

State

Montana

City

POWER

Population served

470

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

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Dec 2024 Resolved

Other · EPA contaminant 7000 began Jul 2023 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2023 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2023 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2017 Resolved

Monitoring & reporting · Lead & Copper Rule began Dec 2014 Resolved

Monitoring & reporting · Uranium began Jan 2012 Resolved

Monitoring & reporting · Gross alpha began Jan 2012 Resolved

Monitoring & reporting · Uranium began Jan 2011 Resolved

Monitoring & reporting · Gross alpha began Jan 2011 Resolved

Monitoring & reporting · Uranium began Oct 2010 Resolved

Monitoring & reporting · Gross alpha began Oct 2010 Resolved

Recent enforcement actions

State action · SIF Nov 2025
State action · SOX Oct 2025
State action · SIA Oct 2025
State action · SIE Oct 2025
State action · SIA Feb 2025
State action · SOX Feb 2025
State action · SOX Jul 2023
State action · SIA Jul 2023

This profile is built from EPA public records for system MT0002912 — 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.