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Water system · PWSID WI4450333

APPLETON WATERWORKS

APPLETON, WI · ~74,511 people served

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

PWSID

WI4450333

State

Wisconsin

City

APPLETON

Population served

74,511

Primary source

Surface water

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

Latest detections from EPA’s UCMR5 monitoring (through Sep 2024). Levels in parts per trillion (ppt).

PFBA

5.9 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

0

Unaddressed

1

Health-based

25

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2023. Official EPA record →

Other · EPA contaminant 7000 began Jul 2023 Resolved
Other · EPA contaminant 7000 began Jul 2023 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2013 Resolved
Other · EPA contaminant 7500 began May 2008 Resolved
Max contaminant level (MCL) · EPA contaminant 2039 health-based began Apr 2008 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2006 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 1998 Resolved
Monitoring & reporting · EPA contaminant 2033 began Jan 1998 Resolved
Monitoring & reporting · EPA contaminant 2034 began Jan 1998 Resolved
Monitoring & reporting · Lead & Copper Rule began Jun 1992 Resolved

Recent enforcement actions

  • State action · SIA Sep 2023
  • State action · SIA Sep 2023
  • State action · SOX Sep 2023
  • State action · SOX Sep 2023
  • State action · SIF Jun 2014
  • State action · SOX Oct 2013
  • State action · SIE Sep 2013
  • State action · SIA Sep 2013

This profile is built from EPA public records for system WI4450333 — 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.