Harlowton City of

PWSID: MT0000240

System Details

Population Served1,050
Service Connections573
Water SourceGroundwater Purchased
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityHarlowton
Zip Code59036

Areas Served

  • Harlowton, Wheatland County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0050 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0040 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0040 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0030 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0030 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0020 mg/L0.015 mg/LBelow Action Level

Violation History (21 total)

ContaminantViolationDateHealth-BasedStatus
2025-07-01Returned to Compliance
2025-07-01Returned to Compliance
2024-10-01Returned to Compliance
2024-07-01Returned to Compliance
2024-06-01 MajorReturned to Compliance
2024-06-01 MajorReturned to Compliance
2023-07-01Returned to Compliance
2023-07-01Returned to Compliance
2023-07-01Returned to Compliance
2023-07-01Returned to Compliance
2017-07-01Returned to Compliance
2017-07-01Returned to Compliance
2009-07-01Returned to Compliance
2008-07-01Returned to Compliance
2006-01-01Returned to Compliance
2005-07-01Returned to Compliance
2005-01-01Returned to Compliance
2004-07-01Returned to Compliance
2003-07-01Returned to Compliance
2002-10-01Returned to Compliance
1999-01-01YesReturned to Compliance