Northernaire Sanitary District

PWSID: WI7440812

System Details

Population Served315
Service Connections7
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityThree Lakes
Zip Code54562

Areas Served

  • Three Lakes, Oneida County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0083 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0025 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0019 mg/L0.015 mg/LBelow Action Level

Violation History (17 total)

ContaminantViolationDateHealth-BasedStatus
2025-07-01Returned to Compliance
2025-07-01Returned to Compliance
2025-05-01 MajorReturned to Compliance
2025-05-01 MajorReturned to Compliance
2024-12-23YesReturned to Compliance
2024-12-23Returned to Compliance
2024-06-01Returned to Compliance
2024-01-01Acknowledged
2024-01-01Returned to Compliance
2024-01-01Acknowledged
2024-01-01Returned to Compliance
2021-10-01 MajorReturned to Compliance
2018-01-01Returned to Compliance
2018-01-01Returned to Compliance
2016-01-01Returned to Compliance
2015-07-01Returned to Compliance
2012-01-01Returned to Compliance