Ten Mile and Pleasant Valley Wua

PWSID: MT0002005

System Details

Population Served750
Service Connections310
Water SourceGroundwater
System TypeCommunity Water System
OwnerPrivate
StatusActive
CityHelena
Zip Code59604

Areas Served

  • Helena, Lewis and Clark County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Copper (90th percentile)2.1000 mg/L1.300 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0030 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0010 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
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

Violation History (109 total)

ContaminantViolationDateHealth-BasedStatus
2024-04-01Returned to Compliance
2024-04-01Returned to Compliance
2024-04-01Returned to Compliance
2024-04-01YesReturned to Compliance
2024-04-01YesReturned to Compliance
2024-04-01YesReturned to Compliance
2023-10-01Returned to Compliance
2023-10-01Returned to Compliance
2023-07-01Returned to Compliance
2023-07-01Returned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance

Showing 50 of 109 historical violations.