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The Dalles Dam Location: Umatilla, Oregon Columbia River mile: 191.5 Operator: U.S. Army Corps of Engineers Type: Run of river dam and reservoir Completed: 1960 (14 turbine units); 1973 (8 turbine units) Generating capacity: 1,780 megawatts Juvenile fish passage facilities: Ice and trash sluiceway Adult fish passage facilities: Two fish ladders with fish counting stations Additional Notes: Surface bypass system studies are ongoing at this project; however, spill and the ice and trash sluiceway will continue to be the primary juvenile passage routes. More info about this dam (off-site link)