Home/ Directory/ WI/ LAKE MILLS WATERWORKS

Water system · PWSID WI1280108

LAKE MILLS WATERWORKS

LAKE MILLS, WI · ~6,211 people served

Check your exact address → LAKE MILLS overview
100
Excellent
PurityRadar safety score

PWSID

WI1280108

State

Wisconsin

City

LAKE MILLS

Population served

6,211

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

54

Violations on record

5

Unaddressed

10

Health-based

138

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2022. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2016 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jan 2014 Unaddressed
Other · EPA contaminant 7500 began Jan 2012 Unaddressed
Other · EPA contaminant 7500 began Jan 2012 Unaddressed
Other · EPA contaminant 7500 began Jan 2011 Unaddressed
Treatment technique · Lead & Copper Rule health-based began Sep 2022 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Other · EPA contaminant 7500 began Jan 2018 Resolved
Treatment technique · Lead & Copper Rule health-based began Oct 2017 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2017 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2017 Resolved

Recent enforcement actions

  • State action · SIF Nov 2022
  • State action · SOX Oct 2022
  • State action · SIE Oct 2022
  • State action · SIA Oct 2022
  • State action · SOX Jul 2021
  • State action · SIA Aug 2020
  • State action · SIA Aug 2020
  • State action · SOX Jul 2020

This profile is built from EPA public records for system WI1280108 — 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.