Willow Creek Dam and Lake

Project Description

• Sub-basin: Lower Columbia
• Stream: Willow Creek
• Location: Heppner, Oregon
• Owner: Corps of Engineers, Portland District: Willow Creek
• Type of Project: Storage
• Authorized Purpose: Flood Control
• Other Uses: Recreation, Fish and Wildlife, Irrigation

Hydrologic Data

• Drainage area = 96 sq mi
• Maximum historical peak discharge = 36,000 cfs (1903)
• Lake Elevation
       Maximum pool = 2,113.5 ft
       Full pool = 2,063.0 ft
       Maximum conservation pool = 2,063.0 ft
• Usable Storage (2,063.0 to 2,113.5) = 9,765 AF