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Water system · PWSID WI4450336

KAUKAUNA UTILITIES

KAUKAUNA, WI · ~17,493 people served

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

PWSID

WI4450336

State

Wisconsin

City

KAUKAUNA

Population served

17,493

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 Aug 2025). Levels in parts per trillion (ppt).

Lithium

13,000 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

0

Unaddressed

6

Health-based

51

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2014. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jan 2014 Resolved
Monitoring & reporting · EPA contaminant 3014 began Nov 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2010 Resolved
Monitoring & reporting · Total coliform began Jun 2005 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2000 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2000 Resolved
Monitoring & reporting · Total coliform began Nov 1999 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Oct 1998 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jul 1998 Resolved
Monitoring & reporting · Nitrate began Jan 1995 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 1983 Resolved

Recent enforcement actions

  • State action · SIF May 2014
  • State action · SOX Jan 2014
  • State action · SIA Jan 2014
  • State action · SOX Jan 2014
  • State action · SIA Jan 2014
  • State action · SIE Jan 2014
  • State action · SIF Aug 2010
  • State action · SIE Aug 2010

This profile is built from EPA public records for system WI4450336 — 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.