Green Peter Dam and Lake

Project Description

• Stream: Middle Santiam River
• Location: Foster, Oregon
• Type of Project: Storage
• Authorized Purpose: Flood Control, Power, Navigation, Irrigation
• Other Uses: Fishery, Water Quality, Recreation

Hydrologic Data

• Drainage area = 277 sq mi
• Maximum observed flood peak = 66,000 cfs (1964)
• Lake Elevation
       Maximum pool = 1,015.0 ft
       Full pool = 1,015.0 ft
       Minimum flood control pool = 922.0 ft
• Usable Storage (887.0 to 1,010.0) = 312,500 AF

Powerhouse

• Number of units.................................2
• Nameplate capacity...........................80 MW
• Overload capacity.............................92 MW
• Hydraulic capacity.............................4,600 cfs