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Water system · PWSID MT0004288

BLUE CLOUD SUBDIVISION

HELENA, MT · ~60 people served

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

PWSID

MT0004288

State

Montana

City

HELENA

Population served

60

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

95

Violations on record

0

Unaddressed

27

Health-based

147

Enforcement actions

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

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2021 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2021 Resolved
Other · EPA contaminant 7000 began Jul 2019 Resolved
Monitoring · Lead & Copper Rule began Sep 2018 Resolved
Monitoring & reporting · EPA contaminant 3014 began Jun 2018 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2017 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2017 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2017 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2016 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2016 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2016 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2016 Resolved

Recent enforcement actions

  • State action · SOX Oct 2023
  • State action · SIA Oct 2023
  • State action · SIE Oct 2023
  • State action · SOX Oct 2019
  • State action · SIA Jul 2019
  • State action · SIE Oct 2018
  • State action · SIA Oct 2018
  • State action · SOX Sep 2018

This profile is built from EPA public records for system MT0004288 — 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.