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Water system · PWSID WI1220105

MARYVILLE SD 2

HAZEL GREEN, WI · ~100 people served

Check your exact address → HAZEL GREEN overview
100
Excellent
PurityRadar safety score

PWSID

WI1220105

State

Wisconsin

City

HAZEL GREEN

Population served

100

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

13

Violations on record

1

Unaddressed

5

Health-based

44

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2024. Official EPA record →

Other · EPA contaminant 7500 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Monitoring · Lead & Copper Rule began Mar 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2015 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2003 Resolved
Monitoring & reporting · Total coliform began Sep 1998 Resolved
Monitoring & reporting · Total coliform began Jun 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1995 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Oct 2024
  • State action · SOX Apr 2021
  • State action · SIF Apr 2021
  • State action · SIA Apr 2021
  • State action · SIE Apr 2021
  • State action · SOX Jan 2015
  • State action · SIA Jan 2015
  • State action · SIA Sep 2014

This profile is built from EPA public records for system WI1220105 — 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.