Malmstrom Air Force Base

PWSID: MT0000515

System Details

Population Served8,850
Service Connections2
Water SourceSurface Water Purchased
System TypeCommunity Water System
OwnerFederal
StatusActive
CityMalmstrom Air Force Base
Zip Code59402

Areas Served

  • Great Falls, Cascade County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Copper (90th percentile)2.2100 mg/L1.300 mg/LEXCEEDS 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
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

Violation History (18 total)

ContaminantViolationDateHealth-BasedStatus
2024-11-01Returned to Compliance
2024-04-01 MajorReturned to Compliance
2024-04-01 MajorReturned to Compliance
2024-04-01 MajorReturned to Compliance
2024-04-01 MajorReturned to Compliance
2024-04-01 MajorReturned to Compliance
2024-04-01 MajorReturned to Compliance
2023-07-01Returned to Compliance
2023-07-01Returned to Compliance
2021-12-30Returned to Compliance
2020-10-01 MajorReturned to Compliance
2020-10-01 MajorReturned to Compliance
2019-01-01YesReturned to Compliance
2018-10-01YesReturned to Compliance
2017-07-01 MajorReturned to Compliance
2017-07-01 MajorReturned to Compliance
2010-07-01Returned to Compliance
2003-07-01Returned to Compliance