What is the largest manmade lake in the United States?

1. Lake Mead, Nevada. Named after Bureau of Reclamation Commissioner Elwood Mead, Lake Mead is the largest reservoir in the United States, stretching 112 miles long with a total capacity of 28,255,000 acre-feet, a shoreline of 759 miles, and a maximum depth of 532 feet.



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Key Points. Lake Mead has dropped by 70% due to droughts in the West and it will take many years to refill again, naturally.

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At 1,943 feet (592 meters), Crater Lake is the deepest lake in the United States and one of the deepest in the world. The depths were first explored thoroughly in 1886 by a party from the U.S. Geological Survey.

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The Great Lakes aren't all that great, in terms of depth anyway. At over a mile deep (1,642 meters or 5,387 feet) Lake Baikal in the Russian region of Siberia is the deepest lake in the world.

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Lake Michigan and Lake Superior Wisconsin is bordered to the north and east by two of the world's largest lakes. To the north, Lake Superior forms the largest expanse of freshwater in the world. To the east lies Lake Michigan, the largest freshwater lake entirely within the United States.

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Lake of the Woods It spans the borders between Minnesota, Manitoba, and Ontario, and comprises more than 25,000 miles of shoreline. This enormous American lake boasts the longest lake shoreline in the world, as noted by Lakelubbers magazine. The western section of Lake of the Woods is mainly open water.

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Situated in south-east Siberia, the 3.15-million-ha Lake Baikal is the oldest (25 million years) and deepest (1,700 m) lake in the world. It contains 20% of the world's total unfrozen freshwater reserve.

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It causes catastrophic flooding, and much of the water runs off rather than soaking into the land or filling reservoirs. About 60% of the area still is in drought. It would actually take six more years of heavy rainfall in a row to refill the Lake Mead reservoir completely.

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Mead reaches dead pool at 895 feet. If Lake Powell reaches dead pool, the US Bureau of Reclamation—which declined our interview requests—would be unable to meet its obligation to deliver water downstream to Lake Mead. In which case, 40 million people would be affected.

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“Although every drop counts, the reality is that the rain we received from Tropical Storm Hilary and runoff into the tributaries that enter Lake Mead as well as reduced releases from Hoover Dam — due to a decrease in downstream demand — has had some minor impact on the lake's elevation,” according to U.S. Bureau of ...

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