Lake Powell

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  • Lake Powell was formed by Glen Canyon Dam. It is the second largest reservoir in the United States. Total capacity for Lake Powell is 27 million acre-feet, and the active capacity is 20,876,000 acre-feet. At normal water surface elevation, the reservoir has a length of 186 miles and a surface area of 161,390 acres. Although Lake Powell is 186 miles long, 96 major side canyons of some 15 to 20 miles in length extend the lake's shoreline to nearly 2,000 miles. The lake's depth fluctuates dramatically, due to regular climate cycles. When completely full, the reservoir's maximum depth is normally 579 feet.

    The reservoir is named in honor of Civil War veteran and one-armed explorer John Wesley Powell, who led a scientific expedition in wooden boats ...

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