Niles

PWSID: IL0312010

System Details

Population Served29,350
Service Connections8,870
Water SourceSurface Water Purchased
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityNiles
Zip Code60714

Areas Served

  • Niles, Cook County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0130 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0124 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0101 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0098 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0081 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0068 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0066 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0066 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0057 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0056 mg/L0.015 mg/LBelow Action Level

1 Active Violations

ContaminantViolationDateHealth-BasedStatus
2025-07-01Open

Violation History (3 total)

ContaminantViolationDateHealth-BasedStatus
2015-07-01Returned to Compliance
2015-07-01Returned to Compliance