Nilwood

PWSID: IL1170750

System Details

Population Served1,394
Service Connections571
Water SourceSurface Water Purchased
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityModesto
Zip Code62667

Areas Served

  • Nilwood, Macoupin County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0020 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 (21 total)

ContaminantViolationDateHealth-BasedStatus
2025-03-01Acknowledged
2025-03-01Returned to Compliance
2025-03-01Returned to Compliance
2025-03-01 MajorAcknowledged
2025-03-01 MajorReturned to Compliance
2025-03-01 MajorReturned to Compliance
2022-01-13Returned to Compliance
2022-01-13Returned to Compliance
2022-01-13Returned to Compliance
2022-01-13Returned to Compliance
2021-12-30Returned to Compliance
2021-12-30Returned to Compliance
2021-12-30Returned to Compliance
2020-12-01Returned to Compliance
2020-12-01Returned to Compliance
2020-10-01 MajorReturned to Compliance
2020-10-01 MajorReturned to Compliance
2012-07-01Returned to Compliance
2003-07-01Returned to Compliance
1999-01-01YesReturned to Compliance
1998-11-23YesReturned to Compliance