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Water system · PWSID WI7370162

SCHOFIELD WATERWORKS

SCHOFIELD, WI · ~2,205 people served

Check your exact address → SCHOFIELD overview
90
Excellent
PurityRadar safety score

PWSID

WI7370162

State

Wisconsin

City

SCHOFIELD

Population served

2,205

Primary source

Groundwater

Score history

▼ 10 points — the score moved from 100 to 90 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 90

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Nov 2023). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

4 ppt

limit 4 ppt

Near EPA limit

PFHxS

Perfluorohexanesulfonic acid

6.2 ppt

limit 10 ppt

Near EPA limit

PFBS

9.9 ppt

limit —

No federal limit

PFPeA

9 ppt

limit —

No federal limit

PFHxA

7 ppt

limit —

No federal limit

PFBA

5.2 ppt

limit —

No federal limit

Violations & enforcement

18

Violations on record

1

Unaddressed

2

Health-based

40

Enforcement actions

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

Other · EPA contaminant 7500 began Jan 2012 Unaddressed
Reporting · EPA contaminant 5200 began Jul 2025 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2017 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2012 Resolved
Monitoring & reporting · Lead & Copper Rule began Apr 2012 Resolved
Monitoring & reporting · Total coliform began Dec 2011 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2011 Resolved
Other · EPA contaminant 7500 began Jul 2009 Resolved
Other · EPA contaminant 7500 began Mar 2009 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 2009 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SIF Jan 2018
  • State action · SIA Oct 2017
  • State action · SIE Oct 2017
  • State action · SOX Sep 2017
  • State action · SOX Jul 2013
  • State action · SO8 Feb 2013
  • State action · SOX Jan 2013

This profile is built from EPA public records for system WI7370162 — 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.