Water Resources Division

PWSID: MT0003623

System Details

Population Served60
Service Connections7
Water SourceGroundwater
System TypeNon-Transient Non-Community
OwnerState
StatusActive
CityMissoula
Zip Code59804

Areas Served

  • Missoula, Missoula 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

1 Active Violations

ContaminantViolationDateHealth-BasedStatus
2025-09-18 MajorOpen

Violation History (18 total)

ContaminantViolationDateHealth-BasedStatus
2024-11-01 MajorReturned to Compliance
2024-01-01 MajorAcknowledged
2024-01-01 MajorAcknowledged
2023-01-01 MajorAcknowledged
2023-01-01 MajorAcknowledged
2022-10-01 MajorReturned to Compliance
2022-10-01 MajorReturned to Compliance
2020-11-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorAcknowledged
2020-01-01 MajorReturned to Compliance
2018-02-01 MajorReturned to Compliance
2017-01-01 MajorReturned to Compliance
2014-01-01Returned to Compliance
2010-10-01Returned to Compliance
2004-10-01Returned to Compliance
1994-01-01Returned to Compliance