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Water system · PWSID MI0006590

THOMPSONVILLE, VILLAGE OF

THOMPSONVILLE, MI · ~438 people served

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

PWSID

MI0006590

State

Michigan

City

THOMPSONVILLE

Population served

438

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

14

Violations on record

0

Unaddressed

2

Health-based

43

Enforcement actions

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

Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2022 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2021 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2019 Resolved
Other began Mar 2008 Resolved
Monitoring & reporting · Total coliform began Sep 2005 Resolved
Other · EPA contaminant 7000 began Jul 2002 Resolved
Other began Jun 2002 Resolved
Other began Apr 2002 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2001 Resolved

Recent enforcement actions

  • State action · SFL Apr 2023
  • State action · SOX Mar 2023
  • State action · SOX Mar 2023
  • State action · SIF Jan 2023
  • State action · SIE Jan 2023
  • State action · SIA Jan 2023
  • State action · SIF Nov 2022
  • State action · SIE Oct 2022

This profile is built from EPA public records for system MI0006590 — 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.