Rio Waterworks

PWSID: WI1110111

System Details

Population Served1,095
Service Connections405
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityRio
Zip Code53960-0276

Areas Served

  • Rio, Columbia County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0033 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0014 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0011 mg/L0.015 mg/LBelow Action Level

2 Active Violations

ContaminantViolationDateHealth-BasedStatus
2024-10-17YesOpen
2024-10-17Open

Violation History (5 total)

ContaminantViolationDateHealth-BasedStatus
2024-01-01Returned to Compliance
2024-01-01Returned to Compliance
2018-09-13Returned to Compliance