Lower Salmon Falls Dam, Hydroelectric power station on Snake River, Idaho
The Lower Salmon Falls Dam spans 983 feet across the Snake River, featuring four turbine generator units that produce 60 megawatts of electrical power.
Built in 1910 by the Greater Shoshone and Twin Falls Water Power Company, the dam underwent substantial reconstruction in 1949 after Idaho Power acquired it in 1916.
The dam represents the industrial development of southern Idaho, transforming the Snake River into a managed waterway for power generation and irrigation purposes.
The facility maintains a 510-foot-long fish ladder that allows aquatic species to navigate through the dam structure while continuing power generation operations.
The reservoir formed by the dam extends 6.6 miles upstream and holds 10,900 acre-feet of water, submerging half of the original Lower Salmon Falls.
Location: Idaho
Length: 300 m
GPS coordinates: 42.84157,-114.90756
Latest update: March 12, 2025 14:39
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