💧 ZIP Water Report

Tap water in Oshkosh, WI — ZIP 54902

1 public water system serving about 63,000 people.

A
Excellent

Water systems serving 54902

Oshkosh Waterworks
PWSID WI4710457 · serves 63,000 · surface water
0 health-based / 1 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology