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Water system · PWSID WI8580502

STONE LAKE SANITARY DISTRICT

STONE LAKE, WI · ~175 people served

Check your exact address → STONE LAKE overview
100
Excellent
PurityRadar safety score

PWSID

WI8580502

State

Wisconsin

City

STONE LAKE

Population served

175

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

5

Health-based

62

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2022. Official EPA record →

Monitoring · Lead & Copper Rule began Sep 2022 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2020 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2020 Resolved
Other · EPA contaminant 7500 began Nov 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2015 Resolved
Other · EPA contaminant 7000 began Oct 2015 Resolved
Other · EPA contaminant 7500 began Sep 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2015 Resolved
Other · EPA contaminant 7500 began Jul 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2015 Resolved
Other · EPA contaminant 7000 began Jul 2015 Resolved
Monitoring & reporting · Nitrate began Jan 2015 Resolved

Recent enforcement actions

  • State action · SIF Oct 2022
  • State action · SOX Oct 2022
  • State action · SIE Oct 2022
  • State action · SIA Oct 2022
  • State action · SOX Jul 2021
  • State action · SIF Mar 2021
  • State action · SIE Sep 2020
  • State action · SIA Sep 2020

This profile is built from EPA public records for system WI8580502 — 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.