Lewis Water Supply

PWSID: IA1535078

System Details

Population Served357
Service Connections200
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityLewis
Zip Code51544

Areas Served

  • Lewis, Cass County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0050 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0020 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0020 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0020 mg/L0.015 mg/LBelow Action Level

Violation History (4 total)

ContaminantViolationDateHealth-BasedStatus
2025-03-01YesAcknowledged
2025-03-01YesReturned to Compliance
2023-10-01Returned to Compliance
2023-10-01Returned to Compliance