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TWIN FALLS INTAKE DAM

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March 28, 2025


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Located on the Snake River in Twin Falls, Idaho, the Twin Falls Intake Dam is a concrete gravity dam with a primary purpose of hydroelectric power generation. Built in 1935 by designer EBASCO, this privately-owned structure stands at a height of 34 feet and has a length of 203 feet. With a storage capacity of 955 acre-feet and a surface area of 85 acres, the dam plays a crucial role in water resource management and recreation in the area.

Managed by the Federal Energy Regulatory Commission, the Twin Falls Intake Dam is subject to state regulation and inspection to ensure its safe operation and maintenance. While the dam has a low hazard potential, a high risk assessment indicates the need for robust risk management measures. Despite its age, the dam continues to provide valuable hydroelectric power to the region and remains a key component of the local water infrastructure.

Enthusiasts of water resources and climate will find the Twin Falls Intake Dam a fascinating example of early 20th-century engineering and its ongoing contribution to sustainable energy production. With its strategic location on the Snake River and state-of-the-art design for the time, this dam exemplifies the intersection of technology, infrastructure, and environmental stewardship in the management of water resources.

Year_Completed 1935
Dam_Height 34
River_Or_Stream Snake River
Dam_Length 203
Primary_Dam_Type Concrete
Surface_Area 85
Hydraulic_Height 25
Drainage_Area 19000
Nid_Storage 955
Structural_Height 34
Hazard_Potential Low
Nid_Height 34
       

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