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Water system · PWSID MT0001922

HILLTOP TERRACE SUBDIVISION

KALISPELL, MT · ~230 people served

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

PWSID

MT0001922

State

Montana

City

KALISPELL

Population served

230

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

40

Violations on record

1

Unaddressed

7

Health-based

71

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2022 Resolved
Other · EPA contaminant 7000 began Oct 2021 Resolved
Other · EPA contaminant 7000 began Jul 2021 Resolved
Other · EPA contaminant 7000 began Oct 2020 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Treatment technique · Lead & Copper Rule health-based began Jun 2020 Resolved
Monitoring · Lead & Copper Rule began Jun 2020 Resolved
Other · EPA contaminant 7000 began Jul 2019 Resolved
Monitoring & reporting · Thallium began Jan 2018 Resolved
Monitoring · Lead & Copper Rule began May 2017 Resolved
Monitoring & reporting · Uranium began Jan 2017 Resolved

Recent enforcement actions

  • State action · SIE Oct 2025
  • State action · SIA Oct 2025
  • State action · SOX Aug 2023
  • State action · SIE Jan 2023
  • State action · SIA Jan 2023
  • State action · SOX Aug 2022
  • State action · SOX Aug 2022
  • State action · SOX Aug 2022

This profile is built from EPA public records for system MT0001922 — 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.