Is Denmark, Wisconsin tap water safe?
1 water system report serving Denmark. Your water depends on which one serves your address. Check your bill if unsure.
B
Denmark Waterworks
Serves 2,684 people · Surface water · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).