Lone Rock Waterworks

PWSID: WI1530061

System Details

Population Served895
Service Connections267
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityLone Rock
Zip Code53556-0338

Areas Served

  • Lone Rock, Richland County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0200 mg/L0.015 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0131 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0074 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0025 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0011 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

Violation History (9 total)

ContaminantViolationDateHealth-BasedStatus
2023-10-01 MajorReturned to Compliance
2023-10-01 MajorReturned to Compliance
2023-10-01 MajorReturned to Compliance
2021-02-01Returned to Compliance
2020-11-01YesReturned to Compliance
2016-02-01YesReturned to Compliance
2012-07-01Returned to Compliance
2012-01-01Returned to Compliance
1993-07-01Returned to Compliance