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Water system · PWSID WI2650062

ELKHORN WATERWORKS

ELKHORN, WI · ~10,317 people served

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

PWSID

WI2650062

State

Wisconsin

City

ELKHORN

Population served

10,317

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

74

Violations on record

0

Unaddressed

11

Health-based

140

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2024. Official EPA record →

Other · EPA contaminant 7500 began Nov 2021 Resolved
Monitoring & reporting · EPA contaminant 3014 began Oct 2021 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2021 Resolved
Treatment technique · Lead & Copper Rule health-based began Nov 2020 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2020 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2019 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2019 Resolved
Other · EPA contaminant 7500 began Nov 2018 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2018 Resolved
Other · EPA contaminant 7500 began Apr 2015 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2015 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2015 Resolved

Recent enforcement actions

  • State action · SOX May 2024
  • State action · SOX Sep 2022
  • State action · SIF Jul 2022
  • State action · SFR Jun 2022
  • State action · SFR Jun 2022
  • State action · SIF Mar 2022
  • State action · SOX Mar 2022
  • State action · SOX Mar 2022

This profile is built from EPA public records for system WI2650062 — 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.