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Water system · PWSID MT0004186

RIDGEWOOD TERRACE MHP

LINCOLN, MT · ~280 people served

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

PWSID

MT0004186

State

Montana

City

LINCOLN

Population served

280

Primary source

GWP

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

5

Violations on record

0

Unaddressed

2

Health-based

20

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2021. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Aug 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2012 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Other · EPA contaminant 0700 began Dec 2010 Resolved
Other · EPA contaminant 7000 began Jul 2006 Resolved

Recent enforcement actions

  • State action · SOX Aug 2021
  • State action · SIF Sep 2015
  • State action · SOX Sep 2015
  • State action · SIA Sep 2015
  • State action · SIE Sep 2015
  • State action · SIA Sep 2015
  • State action · SOX Sep 2012
  • State action · SIF Aug 2012

This profile is built from EPA public records for system MT0004186 — 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.