Boulder City of

PWSID: MT0000158

System Details

Population Served1,400
Service Connections563
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityBoulder
Zip Code59632

Areas Served

  • Boulder, Jefferson County

Lead & Copper Testing

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

5 Active Violations

ContaminantViolationDateHealth-BasedStatus
2003-10-01Open
2002-10-01Open
2002-07-01Open
2001-10-01Open
2001-07-01Open

Violation History (50 total)

ContaminantViolationDateHealth-BasedStatus
2024-01-01 MajorAcknowledged
2024-01-01 MajorReturned to Compliance
2024-01-01 MajorAcknowledged
2024-01-01 MajorReturned to Compliance
2022-07-01YesReturned to Compliance
2022-07-01YesReturned to Compliance
2018-09-01 MajorReturned to Compliance
2014-09-01 MajorReturned to Compliance
2014-09-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2011-01-01 MajorReturned to Compliance
2006-07-01Returned to Compliance
2006-06-01YesReturned to Compliance
2005-10-01Returned to Compliance
2004-10-01Returned to Compliance
2004-07-01Returned to Compliance
2003-07-01Returned to Compliance