Cardwell School Dist 16 and 31

PWSID: MT0001398

System Details

Population Served63
Service Connections1
Water SourceGroundwater
System TypeNon-Transient Non-Community
OwnerState
StatusActive
CityCardwell
Zip Code59721
NoteSchool or Daycare

Areas Served

  • Cardwell, Jefferson County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0010 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

1 Active Violations

ContaminantViolationDateHealth-BasedStatus
2025-12-01Open

Violation History (33 total)

ContaminantViolationDateHealth-BasedStatus
2024-06-01YesReturned to Compliance
2024-06-01YesReturned to Compliance
2019-10-01 MajorReturned to Compliance
2019-10-01 MajorReturned to Compliance
2019-10-01 MajorReturned to Compliance
2019-10-01 MajorAcknowledged
2019-10-01 MajorReturned to Compliance
2019-10-01 MajorReturned to Compliance
2019-10-01 MajorAcknowledged
2018-09-02Returned to Compliance
2017-09-01 MajorReturned to Compliance
2017-01-01 MajorReturned to Compliance
2016-09-01 MajorReturned to Compliance
2014-01-01Returned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2014-01-01 MajorReturned to Compliance
2013-01-01 MajorReturned to Compliance
1999-07-01Returned to Compliance
1999-01-01Returned to Compliance
1997-01-01Returned to Compliance
1993-07-01Returned to Compliance