Little Swan Lake Sd

PWSID: IL1875050

System Details

Population Served438
Service Connections175
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityMonmouth
Zip Code61462

Areas Served

  • Little York, Warren County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0550 mg/L0.015 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0150 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0036 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

1 Active Violations

ContaminantViolationDateHealth-BasedStatus
2025-07-01Open

Violation History (4 total)

ContaminantViolationDateHealth-BasedStatus
2022-12-30Returned to Compliance
2022-12-30Returned to Compliance
2011-07-01Returned to Compliance