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Water system · PWSID WI1220121

RIVER VISTA ESTATES LLC

POTOSI, WI · ~30 people served

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

PWSID

WI1220121

State

Wisconsin

City

POTOSI

Population served

30

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

22

Violations on record

0

Unaddressed

10

Health-based

99

Enforcement actions

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

Reporting · EPA contaminant 5200 began Jul 2025 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2025 Resolved
Monitoring · Lead & Copper Rule began Jan 2021 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2016 Resolved
Monitoring & reporting · Total coliform began Jan 2013 Resolved
Monitoring & reporting · Total coliform began Oct 2010 Resolved
Monitoring & reporting · Gross alpha began Jan 2009 Resolved
Monitoring & reporting · Uranium began Jan 2009 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jan 2009 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2006 Resolved

Recent enforcement actions

  • State action · SOX Sep 2025
  • State action · SOX Sep 2025
  • State action · SIA Jan 2025
  • State action · SIF Feb 2021
  • State action · SIA Feb 2021
  • State action · SIE Feb 2021
  • State action · SOX Feb 2021
  • State action · SIF May 2016

This profile is built from EPA public records for system WI1220121 — 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.