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Water system · PWSID MI0004080

MARENISCO TOWNSHIP

MARENISCO, MI · ~430 people served

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

PWSID

MI0004080

State

Michigan

City

MARENISCO

Population served

430

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

8

Violations on record

0

Unaddressed

5

Health-based

30

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2012. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Sep 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 2006 Resolved
Monitoring & reporting · Total coliform began Sep 1999 Resolved
Monitoring & reporting · Nitrate began Jan 1994 Resolved
Monitoring & reporting · Total coliform began Sep 1993 Resolved

Recent enforcement actions

  • State action · SIF Sep 2012
  • State action · SOX Sep 2012
  • State action · SIE Sep 2012
  • State action · SIA Sep 2012
  • State action · SIF Aug 2012
  • State action · SOX Aug 2012
  • State action · SIA Jul 2012
  • State action · SIE Jul 2012

This profile is built from EPA public records for system MI0004080 — 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.