Wilmette

PWSID: IL0313300

System Details

Population Served27,087
Service Connections9,030
Water SourceSurface Water
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityWilmette
Zip Code60091

Areas Served

  • Wilmette, Cook County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0073 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0064 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0050 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0049 mg/L0.015 mg/LBelow Action Level

1 Active Violations

ContaminantViolationDateHealth-BasedStatus
2025-07-01Open

Violation History (1 total)

All violations are shown above as active.