Tap water in Holmen, WI — ZIP 54650
2 public water systems serving about 28,147 people.
C
Fair
Water systems serving 54650
Onalaska Waterworks
PWSID WI6320327 · serves 18,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Holmen Waterworks
PWSID WI6320306 · serves 10,147 ·
groundwater
1 health-based / 6 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology