Onarga

PWSID: IL0750700

System Details

Population Served1,409
Service Connections500
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityOnarga
Zip Code60955

Areas Served

  • Onarga, Iroquois County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Copper (90th percentile)1.4000 mg/L1.300 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0056 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0055 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

Violation History (14 total)

ContaminantViolationDateHealth-BasedStatus
2024-10-16Returned to Compliance
2024-10-16Returned to Compliance
2023-08-01 MajorReturned to Compliance
2023-08-01 MajorReturned to Compliance
2023-08-01 MajorAcknowledged
2023-08-01 MajorReturned to Compliance
2023-07-01 MajorReturned to Compliance
2023-07-01 MajorReturned to Compliance
2023-07-01 MajorAcknowledged
2023-07-01 MajorReturned to Compliance
2021-07-01Returned to Compliance
2021-07-01Returned to Compliance
2020-07-01Returned to Compliance
1994-01-01YesReturned to Compliance