MUKWONAGO WATERWORKS

MUKWONAGO, WI · ~8,190 people served

Check your exact address → MUKWONAGO overview

100

Excellent

PurityRadar safety score

PWSID

WI2680209

State

Wisconsin

City

MUKWONAGO

Population served

8,190

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

103

Violations on record

Unaddressed

Health-based

120

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2016. Official EPA record →

Other · EPA contaminant 7500 began Oct 2011 Unaddressed

Monitoring & reporting · EPA contaminant 0999 began Oct 2015 Resolved

Monitoring & reporting · Total coliform began Oct 2015 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2012 Resolved

Monitoring & reporting · EPA contaminant 4030 began Jan 2011 Resolved

Monitoring & reporting · Gross alpha began Jan 2011 Resolved

Monitoring & reporting · Uranium began Jan 2011 Resolved

Monitoring & reporting · Gross alpha began Jan 2011 Resolved

Monitoring & reporting · EPA contaminant 4030 began Jan 2011 Resolved

Other · EPA contaminant 7000 began Jul 2010 Resolved

Recent enforcement actions

State action · SIF Jun 2016
State action · SIE Nov 2015
State action · SIA Nov 2015
State action · SOX Nov 2015
State action · SOX Jan 2013
State action · SO8 Nov 2012
State action · SO8 Nov 2012
State action · SOX Mar 2012

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Manganese

1 station · latest Aug 2022

10.5 · max 10.5 ug/L · 1

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system WI2680209 — 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.