County Water Quality Report

Waukesha County, Wisconsin

1 public water system serving 70,718 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
F
55/100
Utilities rated 1
Population served 70,718

Top water quality concerns in Waukesha County

  • PFAS contaminationin 1 of 1 utilities
  • Total PFOS and PFOA* significantly above health guidelinein 1 of 1 utilities
  • Arsenic significantly above health guidelinein 1 of 1 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 1 of 1 utilities

All utilities in Waukesha County

Click any utility for full grade card, contaminant data, and treatment plant contact info.

D
55/100

WAUKESHA WATER UTILITY

WAUKESHA · 70,718 residents

Top concern: PFAS contamination

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