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Water system · PWSID WI1130267

WINDSOR WATER UTILITY SOUTH

100
Excellent
PurityRadar safety score

PWSID

WI1130267

State

Wisconsin

City

WINDSOR

Population served

4,607

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

2

Violations on record

0

Unaddressed

1

Health-based

15

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 1995. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Nov 1994 Resolved
Monitoring & reporting · Total coliform began Sep 1994 Resolved

Recent enforcement actions

  • State action · SIA Jan 1995
  • State action · SIE Jan 1995
  • State action · SIF Dec 1994
  • State action · SIF Dec 1994
  • State action · SOX Dec 1994
  • State action · SIA Dec 1994
  • State action · SIE Dec 1994
  • State action · SOX Oct 1994

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

Nitrate

1 station · latest Aug 2022

6.45 · max 6.62 mg/l as N · 6

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 WI1130267 — 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.