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Lower Granite Dam Location: Almota, Washington Columbia River mile: 107.5 Operator: U.S. Army Corps of Engineers Type: Run of river dam and reservoir Completed: 1975 (3 turbine units); 1978 (3 turbine units) Generating capacity: 810 megawatts Juvenile fish passage facilities: Extended screens on all units with bypass system to tailwater; collection and transportation facilities; spill is provided in the spring Adult fish passage facilities: Fish ladder, monitoring, and trap facilities More info about this dam (off-site link)