HUDSON WATERWORKS

HUDSON, WI · ~18,558 people served

Check your exact address → HUDSON overview

100

Excellent

PurityRadar safety score

PWSID

WI6560087

State

Wisconsin

City

HUDSON

Population served

18,558

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 2024). Levels in parts per trillion (ppt).

Lithium

16,000 ppt

limit —

No federal limit

PFBA

7 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Other · EPA contaminant 7500 began Oct 2024 Unaddressed

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2024 Resolved

Other · EPA contaminant 0700 began Oct 2015 Resolved

Treatment technique · EPA contaminant 0700 health-based began Aug 2015 Resolved

Monitoring & reporting · EPA contaminant 0600 began Jan 2010 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2008 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2008 Resolved

Recent enforcement actions

State action · SOX Jun 2025
State action · SOX Jan 2024
State action · SIA Jan 2024
State action · SOX Feb 2016
State action · SOX Feb 2016
State action · SFJ Dec 2015
State action · SIF Oct 2015
State action · SFJ Sep 2015

This profile is built from EPA public records for system WI6560087 — 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.