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Water system · PWSID WI2301080

TAN OAK APTS

BROOKFIELD, WI · ~325 people served

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

PWSID

WI2301080

State

Wisconsin

City

BROOKFIELD

Population served

325

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

170

Violations on record

4

Unaddressed

6

Health-based

142

Enforcement actions

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

Other · EPA contaminant 7500 began Oct 2024 Unaddressed
Other · EPA contaminant 7500 began Oct 2024 Unaddressed
Other · EPA contaminant 7500 began Oct 2012 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jan 2012 Unaddressed
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Jun 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2011 Resolved
Monitoring & reporting · Lead & Copper Rule began Jun 2011 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved
Other · EPA contaminant 7500 began Apr 2010 Resolved

Recent enforcement actions

  • State action · SOX Feb 2025
  • State action · SOX Feb 2025
  • State action · SO8 Mar 2019
  • State action · SO8 Jul 2018
  • State action · SO8 Mar 2014
  • State action · SOX Sep 2013
  • State action · SIA Dec 2012
  • State action · SO8 Dec 2012

This profile is built from EPA public records for system WI2301080 — 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.