US Army Corps of Engineers

Wynoochee Dam and Reservoir


Provisional Data Warning
Hydrologic Data: [Query]

Wynoochee Dam

Project Description

  • Stream: Wynoochee River
  • Location: Aberdeen, Washington
  • Type of Project: Storage
  • Authorized Purpose: Flood Control, Industrial and Domestic Water Supply, Irrigation, Recreation, Fish and Wildlife
  • Other Uses: None

Hydrologic Data

  • Drainage area = 41.0 sq mi
  • Maximum discharge above Black Creek (unregulated) = 25,500 cfs (1968)
  • Reservoir Elevation
    Maximum pool = 800.0 ft
    Normal full pool = 800.0 ft
    Flood control pool = 762.6 ft
  • Usable storage (700.0 to 800.0) = 69,405 AF
  • Flood control storage (762.6 to 800.0) = 35,000 AF

7 Day Project Status

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