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Water system · PWSID MT0002390

TREASURE STATE ACRES WUA

HELENA, MT · ~483 people served

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

PWSID

MT0002390

State

Montana

City

HELENA

Population served

483

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

12

Violations on record

0

Unaddressed

0

Health-based

13

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2023. Official EPA record →

Monitoring & reporting · Antimony began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 1075 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 1085 began Jan 2020 Resolved
Monitoring & reporting · Barium began Jan 2020 Resolved
Monitoring & reporting · Cadmium began Jan 2020 Resolved
Monitoring & reporting · Chromium (total) began Jan 2020 Resolved
Monitoring & reporting · Fluoride began Jan 2020 Resolved
Monitoring & reporting · Selenium began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 1036 began Jan 2020 Resolved
Monitoring & reporting · Beryllium began Jan 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2004 Resolved

Recent enforcement actions

  • State action · SIA Jan 2023
  • State action · SIE Jan 2023
  • State action · SOX May 2022
  • State action · SOX Jan 2014
  • State action · SIA Jan 2014
  • State action · SIE Jan 2005
  • State action · SIA Jan 2005
  • State action · SOX Sep 2002

This profile is built from EPA public records for system MT0002390 — 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.