Hoover Dam’s construction began in 1931 and was finished in 1936.

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The maximum water depth of Hoover Dam is 590 feet or 179 meters.

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The Hoover Dam is 726 feet or 221 meters high.

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Hoover Dam is 1,244 feet or 379 meters long.

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Hoover Dam has about 4,400,000 cubic yards or 3,360,000 cubic meters of concrete.

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Approximately 21,000 people worked in constructing the Hoover Dam.

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There were 112 deaths associated with the construction of Hoover Dam.

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The Hoover Dam supplies electrical power to three US states.

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Construction cost is about $49 million (1931 budget)

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