columbia river basin fish and wildlife program annual ...

4.44.4PROSSER DAM FISH PASSAGE FACILITIES(Juvenile Facilities Completion: March 1, 1987)(Adult Facilities Completion: December 1, 1987)803(b)(3)[Abstract] BPA shall provide funds to the USBR for constructionof improve- ments and additions to Prosser Dam necessary toprovide safe, efficient, and timely passage of adult andjuvenile fish.ACTION ITEM ACTIVITY SUMMARY:Objectives:Provide funds to the USBR for construction of Prosser Dam improvementsand additions necessary to provide safe, efficient, and timelypassage of adult and juvenile fish.Background and Progress to Date:Plans:Projects:The USBR owns Prosser Dam; fish passage facilities have beenconstructed through Congressional appropriations. The project is oneof 20 such passage improvement projects in the Yakima River Basin.Fish screen and ladder improvements were required to protect juvenilefish adequately from being lost in irrigation canals and to enableadult fish to migrate upstream to spawn.USBR began screen construction in May 1986. Right bank ladder wascompleted in May 1986. Left and center ladders were completed inSeptember 1989.Action Item has been completed.No BPA-funded projects.75