Is Hortonville, Wisconsin tap water safe?
1 water system report serving Hortonville. Your water depends on which one serves your address. Check your bill if unsure.
B
Hortonville Water Utility
Serves 3,028 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).