US Army Corps of Engineers

Cottage Grove Dam and Lake


Provisional Data Warning
Hydrologic Data: [Graph] [Query]
Verified Data: [Reservoir] [Outflow]
Dam and Reservoir: [Information]

Cottage Grove Dam

Project Description

  • Stream: Coast Fork, Willamette River
  • Location: Cottage Grove, Oregon
  • Type of Project: Storage
  • Authorized Purpose: Flood Control
  • Other Uses: Fisheries, Recreation

Hydrologic Data

  • Drainage area = 104 sq mi
  • Peak inflow = 12,300 cfs (1945)
  • Lake Elevation (NGVD29)
    Maximum pool = 802.6 ft
    Full pool = 791.0 ft
    Minimum pool = 719.0 ft
  • Usable Storage (719.0 to 790.0) = 31,800.0 AF

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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