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Water system · PWSID MI0006270

ST. CLAIR, CITY OF

100
Excellent
PurityRadar safety score

PWSID

MI0006270

State

Michigan

City

ST. CLAIR

Population served

5,485

Primary source

Surface water

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

1

Health-based

22

Enforcement actions

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

Reporting · EPA contaminant 5200 began Jul 2025 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2025 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2025 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Monitoring & reporting · Total coliform began Sep 2013 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2012 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2012 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SOX May 2025
  • State action · SIE May 2025
  • State action · SIA May 2025
  • State action · SIF Jan 2025
  • State action · SIF Jan 2025
  • State action · SOX Dec 2024
  • State action · SOX Dec 2024

This profile is built from EPA public records for system MI0006270 — 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.