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39

Poor Water Quality

Helena, MT 59624

Lewis And Clark County · Population served: 829

Water Systems Serving This Area

🏔
NCMRWA TIBER SERVICE AREA
Surface water · Pop. 200
PWSID: MT0004719
🏔
NCMRWA NORTH HAVRE CWD LEG
Surface water · Pop. 90
PWSID: MT0004720
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NCMRWA PONDERA CO SERVICE AREA
Surface water · Pop. 144
PWSID: MT0004834
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NCMRWA SHELBY TO ETHRIDGE
Groundwater · Pop. 70
PWSID: MT0004936
🌊
NCMRWA ETHERIDGE TO CUTBANK
Groundwater · Pop. 25
PWSID: MT0004993

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
12.0
15 ppb 1 ppb Warning

Violation History (Last 5 Years)

51Total (5yr)
21Health-Based
23Major