Hills Creek Dam and Lake

Project Description

• Stream: Middle Fork, Willamette River
• Location: Oakridge, Oregon
• Type of Project: Storage
• Authorized Purpose: Flood Control, Power, Navigation, Irrigation
• Other Uses: Fishery, Water Quality, Recreation

Hydrologic Data

• Drainage area = 389 sq mi
• Maximum observed flood peak = 34,000 cfs (1945)
• Lake Elevation
       Maximum pool = 1,543.0 ft
       Full pool = 1,543.0 ft
       Minimum flood control pool = 1,448.0 ft
• Usable Storage (1,414.0 to 1,541.0) = 234,300 AF

Powerhouse

• Number of units.................................2
• Nameplate capacity...........................30.0 MW
• Overload capacity.............................34.5 MW
• Hydraulic capacity.............................1,800 cfs