Darby Town of

PWSID: MT0000195

System Details

Population Served850
Service Connections494
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityDarby
Zip Code59829

Areas Served

  • Darby, Ravalli County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Copper (90th percentile)1.3900 mg/L1.300 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0050 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0020 mg/L0.015 mg/LBelow Action Level
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

2 Active Violations

ContaminantViolationDateHealth-BasedStatus
2024-08-06YesOpen
2004-10-01Open

Violation History (19 total)

ContaminantViolationDateHealth-BasedStatus
2023-05-01 MajorAcknowledged
2023-05-01 MajorReturned to Compliance
2023-05-01 MajorAcknowledged
2023-05-01 MajorReturned to Compliance
2021-07-01Returned to Compliance
2017-07-01Returned to Compliance
2005-10-01Returned to Compliance
2005-01-01YesReturned to Compliance
2004-07-01Returned to Compliance
2003-10-01Returned to Compliance
2003-07-01Returned to Compliance
2002-10-01Returned to Compliance
2002-07-01Returned to Compliance
2001-10-01Returned to Compliance
2001-07-01Returned to Compliance
2000-10-01Returned to Compliance
2000-07-01Returned to Compliance