US Army Corps of Engineers

Cougar Dam and Lake


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Cougar Dam

Project Description

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

Hydrologic Data

  • Drainage area = 208 sq mi
  • Maximum observed flood peak = 24,500 cfs (1945)
  • Lake Elevation (NGVD29)
    Maximum pool = 1,699.0 ft
    Full pool = 1,699.0 ft
    Minimum flood control pool = 1,532.0 ft
  • Usable Storage (1,516.0 to 1,690.0) = 153,500 AF

Powerhouse

  • Number of units = 2
  • Nameplate capacity = 25 MW
  • Overload capacity = 28.8 MW
  • Hydraulic capacity = 1,050 cfs

Dam and Reservoir Info

7 Day Project Status

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U.S. Army Corps of Engineers, Columbia Basin Water Management Division
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