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Water system · PWSID WI6320306

HOLMEN WATERWORKS

Holmen, WI · ~10,147 people served

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

PWSID

WI6320306

State

Wisconsin

City

Holmen

Population served

10,147

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 Oct 2023). Levels in parts per trillion (ppt).

PFPeA

3.3 ppt

limit —

No federal limit

Violations & enforcement

35

Violations on record

2

Unaddressed

3

Health-based

43

Enforcement actions

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

Other · EPA contaminant 7500 began Oct 2024 Unaddressed
Other · EPA contaminant 7500 began Oct 2024 Unaddressed
Reporting · EPA contaminant 5200 began Jul 2025 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Feb 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2020 Resolved
Other · EPA contaminant 7000 began Jul 2019 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2984 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 2019 Resolved

Recent enforcement actions

  • State action · SOX Oct 2025
  • EPA/federal action · EFL Sep 2025
  • State action · SOX Sep 2025
  • EPA/federal action · EIA Jun 2025
  • State action · SOX Oct 2024
  • State action · SOX Sep 2021
  • State action · SIF Jun 2021
  • State action · SIF Jun 2021

This profile is built from EPA public records for system WI6320306 — 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.