Is Rio, Wisconsin tap water safe?
1 water system report serving Rio. Your water depends on which one serves your address. Check your bill if unsure.
B
Rio Waterworks
Serves 1,095 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).