County Water Quality Report

Winnebago County, Wisconsin

1 public water system serving 63,000 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?

County average grade

61/100

Utilities rated 1

Population served 63,000

Top water quality concerns in Winnebago County

PFAS contaminationin 1 of 1 utilities
Total PFOS and PFOA significantly above health guidelinein 1 of 1 utilities
Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 1 of 1 utilities
Haloacetic acids (HAA9) significantly above health guidelinein 1 of 1 utilities

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

OSHKOSH · 63,000 residents

Top concern: PFAS contamination

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