Largest Dams in United States by Structural Volume - the largest dam by structural volume is Fort Peck Dam of United States with a dam volume of 96 million m3. At second, is the 70.30-million-m3 Oahe Dam of United States.
The structural volume of a dam is the total space occupied by the materials forming the dam structure computed between abutments and from top to bottom of dam. The abutment refers to the part of the valley side against which the dam is constructed.
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Located in United States, Fort Peck Dam is a 76.40-meter tall dam with a structural volume of 96 million m3. Completed in 1940, Fort Peck Dam can hold up to 23 billion m3 of water and has an installed capacity of 185MW.
Located in United States, Oahe Dam is a 75-meter tall dam with a structural volume of 70.30 million m3. Completed in 1963, Oahe Dam can hold up to 29 billion m3 of water and has an installed capacity of 786MW.
3rd tallest dam in North America. Oroville Dam of United States is the third-tallest hydroelectric dam in North America with a height of 230 meters. Completed in 1968, Oroville Dam has a structural volume of 59.60 million m3 and is capable of holding up to 4.36 billion m3 of water, producing up to 819MW of power.