La Grange

PWSID: IL0311530

System Details

Population Served16,200
Service Connections5,152
Water SourceSurface Water Purchased
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityLa Grange
Zip Code60525

Areas Served

  • La Grange, Cook County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0062 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0055 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0042 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0034 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0030 mg/L0.015 mg/LBelow Action Level

3 Active Violations

ContaminantViolationDateHealth-BasedStatus
2025-07-02Open
2025-07-01Open
2024-07-01Open

Violation History (5 total)

ContaminantViolationDateHealth-BasedStatus
2023-07-01Returned to Compliance
2023-07-01Returned to Compliance