Hungry Horse Dam and Lake

Project Description

• Sub-basin: Upper Columbia
• Stream: South Fork Flathead River
• Location: Hungry Horse, Montana
• Owner: U.S. Bureau of Reclamation
• Type of Project: Storage
• Authorized Purpose: Flood Control, Power, Irrigation
• Other Uses: Recreation, Fish and Wildlife

Hydrologic Data

• Drainage area = 1,654 sq mi
• Maximum historical peak discharge = 46,200 cfs (1916)
• Lake Elevation
  Maximum regulated pool (surcharge) = 3,565.0 ft
  Normal full pool = 3,560.0 ft
  Minimum pool = 3,336.0 ft
• Active Capacity (3,336.0 to 3,560.0) = 3,161,000 AF

Powerhouse

• Number of units = 4
• Original Nameplate capacity = 285.0 MW
• Original Overload capacity = 327.76 MW
• Current Installed capacity = 428.0 MW
• Hydraulic capacity = 8,900 cfs

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