Warrenville

PWSID: IL0430833

System Details

Population Served12,350
Service Connections5,037
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityWarrenville
Zip Code60555

Areas Served

  • Warrenville, Dupage County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0047 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0023 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0023 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0017 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0016 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0016 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0014 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0014 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 (175 total)

ContaminantViolationDateHealth-BasedStatus
2025-07-01Returned to Compliance
2021-01-01 MajorReturned to Compliance
2021-01-01 MajorAcknowledged
2021-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance

Showing 50 of 175 historical violations.