Columbia Falls City of

PWSID: MT0000181

System Details

Population Served4,450
Service Connections2,186
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityColumbia Falls
Zip Code59912

Areas Served

  • Columbia Falls, Flathead County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
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)0.0020 mg/L0.015 mg/LBelow Action Level

Violation History (47 total)

ContaminantViolationDateHealth-BasedStatus
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2022-07-01 MajorReturned to Compliance
2017-07-01 MajorReturned to Compliance