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Water system · PWSID WI4590455

MATTOON WATERWORKS

MATTOON, WI · ~450 people served

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

PWSID

WI4590455

State

Wisconsin

City

MATTOON

Population served

450

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

35

Violations on record

1

Unaddressed

1

Health-based

42

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2024. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jan 2012 Unaddressed
Other · EPA contaminant 7500 began Jul 2023 Resolved
Treatment technique · Lead & Copper Rule health-based began Jul 2023 Resolved
Reporting · Lead & Copper Rule began Jul 2023 Resolved
Monitoring · Lead & Copper Rule began Jul 2022 Resolved
Monitoring · Lead & Copper Rule began Jul 2020 Resolved
Monitoring & reporting · Total coliform began Jun 2014 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2014 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2014 Resolved
Monitoring & reporting · Total coliform began Jul 2012 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2012 Resolved

Recent enforcement actions

  • State action · SIF Jun 2024
  • State action · SIF Jun 2024
  • State action · SOX Jun 2024
  • State action · SIA Nov 2023
  • State action · SIA Nov 2023
  • State action · SIE Nov 2023
  • State action · SIA Nov 2023
  • State action · SIE Nov 2023

This profile is built from EPA public records for system WI4590455 — 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.