Hydraulic Aspects of a Low-Velocity, Inclined Fish Screen

by Frederick A. Locher, Bechtel Corp, San Francisco, United States,
Victor C. Bird, Bechtel Corp, San Francisco, United States,
A. Jacob Odgaard, Bechtel Corp, San Francisco, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


The Potter Valley Hydroelectric Project diverts up to 310 cfs from Van Arsdale Reservoir on the Eel River in north-central California and delivers it to Potter Valley for power production and irrigation. A state-of-the-art inclined fish screen has been designed to provide satisfactory screening of Steelhead Trout, and Coho and Chinook Salmon. The development of the hydraulic aspects of the intake, the inclined screen, transition, and fish by-pass system are described. This facility will be a unique application of a low-velocity screen to a hydroelectric intake.

Subject Headings: Water intakes | Fish and fishery management | Hydro power | Fluid velocity | Rivers and streams | Reservoirs | Hydraulic design | California | United States

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