💧 ZIP Water Report

Tap water in Green Bay, WI — ZIP 54303

2 public water systems serving about 128,502 people.

D
Poor

Water systems serving 54303

Green Bay Waterworks
PWSID WI4050356 · serves 107,369 · surface water
0 health-based / 0 total violations (5 yrs)
A
Howard Waterworks
PWSID WI4050468 · serves 21,133 · surface water
2 health-based / 3 total violations (5 yrs)
D

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