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Water system · PWSID WI7370107

MAINE WATER UTILITY

WAUSAU, WI · ~271 people served

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

PWSID

WI7370107

State

Wisconsin

City

WAUSAU

Population served

271

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

49

Violations on record

2

Unaddressed

21

Health-based

140

Enforcement actions

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

Other · EPA contaminant 7500 began Oct 2024 Unaddressed
Other · EPA contaminant 7500 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2022 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2022 Resolved
Treatment technique · EPA contaminant 0400 health-based began Nov 2019 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2018 Resolved
Other · EPA contaminant 7500 began Dec 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2008 Resolved
Other · EPA contaminant 7500 began Aug 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2008 Resolved

Recent enforcement actions

  • EPA/federal action · EIA Jun 2025
  • State action · SOX Nov 2024
  • State action · SOX Nov 2024
  • State action · SOX Aug 2023
  • State action · SIF Jun 2023
  • State action · SIA Sep 2022
  • State action · SIE Sep 2022
  • State action · SIA Nov 2019

This profile is built from EPA public records for system WI7370107 — 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.