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Water system · PWSID WI7640112

LAND O LAKES SANITARY DIST

Land O Lakes, WI · ~450 people served

Check your exact address → Land O Lakes overview
100
Excellent
PurityRadar safety score

PWSID

WI7640112

State

Wisconsin

City

Land O Lakes

Population served

450

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

100

Violations on record

1

Unaddressed

7

Health-based

156

Enforcement actions

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

Treatment technique · EPA contaminant 0700 health-based began Jan 2026 Unaddressed
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2024 Resolved
Treatment technique · EPA contaminant 0400 health-based began Jul 2023 Resolved
Other · EPA contaminant 7000 began Jul 2023 Resolved
Other · EPA contaminant 7000 began Jul 2023 Resolved
Other · EPA contaminant 7500 began Mar 2023 Resolved
Monitoring · Lead & Copper Rule began Feb 2023 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2023 Resolved
Treatment technique · EPA contaminant 0400 health-based began Oct 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Feb 2021 Resolved

Recent enforcement actions

  • State action · SOX Aug 2025
  • State action · SOX Aug 2025
  • State action · SIF May 2025
  • State action · SOX Apr 2025
  • State action · SIF Apr 2025
  • State action · SOX Oct 2024
  • State action · SIA Sep 2024
  • State action · SIE Sep 2024

This profile is built from EPA public records for system WI7640112 — 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.