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Water system · PWSID WI7290136

UNION CENTER WATERWORKS

UNION CENTER, WI · ~225 people served

Check your exact address → UNION CENTER overview
100
Excellent
PurityRadar safety score

PWSID

WI7290136

State

Wisconsin

City

UNION CENTER

Population served

225

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

13

Violations on record

0

Unaddressed

5

Health-based

53

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2020 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2020 Resolved
Monitoring & reporting · Total coliform began Jun 2011 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2011 Resolved
Other · EPA contaminant 7500 began Dec 2009 Resolved
Monitoring & reporting · Total coliform began Nov 2009 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2004 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1997 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1994 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1994 Resolved

Recent enforcement actions

  • State action · SOX Sep 2025
  • State action · SIF Jun 2023
  • State action · SIE Nov 2022
  • State action · SIA Nov 2022
  • State action · SIF Jun 2012
  • State action · SIF Sep 2011
  • State action · SOX Jul 2011
  • State action · SIA Jul 2011

This profile is built from EPA public records for system WI7290136 — 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.