Civil 2 - Fish Passage Improvement

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Student Team: Larissa House, Samantha Engel, Nolan Anderson, Raechel Chandler, Christopher Bartenhagen
Advisor: Dr. Sue Niezgoda
Sponsoring Organization: Spokane Tribe of Indians
Liaison: Casey Flanagan, Brian Crossley

The Spokane Tribe of Indians’ Department of Natural Resources sponsored the fish passage improvement project (Civil 2). We focused our efforts on the stream restoration of Blue Creek and Spring Creek near Wellpinit, WA. These creeks are small tributaries flowing into the Spokane arm of Lake Roosevelt, a reservoir controlled by Grand Coulee Dam. This project is made extremely challenging by the drawdown schedule of Grand Coulee Dam because while the change in water elevation behind the dam maximizes hydroelectric power production, it also forces conditions in  Blue Creek and Spring Creek which keep kokanee salmon and redband trout from spawning upstream. The current issues include fast moving water, shallow depths, and erosion and sedimentation from ponding and draining effects. We strove to include reduced high velocities, increased hydraulic depths, and decreased sedimentation in our designs to improve spawning and migration conditions for the indigenous fish of the area.

 

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Contact Information

Academic Director:
Toni Boggan
Phone: 509-313-3913

Faculty Director:
Steven Zemke
Phone: 509-313-3554

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SCHOOL OF ENGINEERING & APPLIED SCIENCE
502 E. Boone Avenue
Spokane, WA 99258-0026
Phone: (509) 313-3523
Fax: (509) 313-5871
Email: seas@gonzaga.edu
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