Big Cliff Dam and Lake

Project Description

• Stream: North Santiam River
• Location: Detroit, Oregon
• Type of Project: Run-of-river
• Authorized Purpose: Power (Reregulation of flows from Detroit project)
• Other Uses: Recreation

Hydrologic Data

• Drainage area = 453 sq mi
• Maximum historical peak discharge = 63,200 cfs (1909)
• Lake Elevation
       Maximum pool = 1,210.0 ft
       Full pool = 1,206.0 ft
       Minimum pool = 1,180.0 ft
  

Powerhouse

• Number of units..................................1
• Nameplate capacity............................18.0 MW
• Overload capacity..............................20.7 MW
• Hydraulic capacity..............................3,100 cfs