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Parker Dam
Parker Dam is a concrete arch-gravity dam that crosses the Colorado River downstream of Hoover Dam. Built between 1934 and 1938 by the Bureau of Reclamation, it is high, of which are below the riverbed, making it "the deepest dam in the world". The dam's primary functions are to create a reservoir, and to generate hydroelectric power. The reservoir behind the dam is called Lake Havasu and can store or over 210 billion US gallons. The dam straddles the state border at the narrows the river passes through between the Whipple Mountains of California and the Buckskin Mountains of Arizona. ==Power generation==
The power plant has four Francis turbines with a combined capacity of 120 MW. Each turbine weighs 60,000 pounds. The head is 72 feet (22 m). It produces electricity at 97% efficiency. Half of the electricity the plant produces is used by the Metropolitan Water District to pump water along the Colorado River Aqueduct, and the rest is sold to utilities in California, Arizona and Nevada. The generation of power is limited by a requirement to keep the water level of Lake Havasu between 440 to 450 feet (134 to 137 meters) for recreational purposes.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Parker Dam」の詳細全文を読む
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