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Water system · PWSID WI4080271

SHERWOOD WATERWORKS

SHERWOOD, WI · ~3,114 people served

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

PWSID

WI4080271

State

Wisconsin

City

SHERWOOD

Population served

3,114

Primary source

SWP

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

32

Violations on record

0

Unaddressed

12

Health-based

140

Enforcement actions

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

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Other · EPA contaminant 7500 began Oct 2024 Resolved
Other · EPA contaminant 7000 began Oct 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2013 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2012 Resolved
Monitoring & reporting · Lead & Copper Rule began Apr 2012 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2011 Resolved
Other · EPA contaminant 7500 began Jun 2009 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2009 Resolved
Other · EPA contaminant 7500 began Mar 2009 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2009 Resolved

Recent enforcement actions

  • State action · SOX Aug 2025
  • State action · SOX Jul 2025
  • State action · SIF Jun 2025
  • State action · SOX Jun 2025
  • EPA/federal action · EIA Jun 2025
  • State action · SIA Oct 2024
  • State action · SIF Jun 2014
  • State action · SIF Jun 2014

This profile is built from EPA public records for system WI4080271 — 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.