WAUSAU WATERWORKS

WAUSAU, WI · ~39,994 people served

Check your exact address → WAUSAU overview

100

Excellent

PurityRadar safety score

PWSID

WI7370102

State

Wisconsin

City

WAUSAU

Population served

39,994

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

Latest detections from EPA’s UCMR5 monitoring (through Jul 2025). Levels in parts per trillion (ppt).

PFBA

5 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2000. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Sep 2000 Resolved

Monitoring & reporting · Total coliform began Oct 1994 Resolved

Monitoring & reporting · Total coliform began Aug 1992 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

State action · SFG Oct 2000
State action · SFG Oct 2000
State action · SOX Sep 2000
State action · SIA Sep 2000
State action · SIE Sep 2000
State action · SOX Dec 1994
State action · SOX Mar 1993
State action · SIA Jan 1993

This profile is built from EPA public records for system WI7370102 — 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.