Largest drain hole in the world

February 14, 2007

largest-drain-hole.jpg

This is the world's largest drain hole, and is located at the Monticello Dam in northern California. When the dam reaches capacity the spillway swallows water at a rate of 48,800 cubic feet per second, emptying about 700 feet away. Super cool? Hecks yeah it is.

  • mitchell

    hi

  • mitchell

    wow thats scary

  • proman55

    Sorry guys, but this is not the biggest in the world. Geehi dam  part of the Snowy Mountains Scheme of Australia has a Bellmouth spillway of 105ft Dia that can discharge 55,000 cusecs (Cubic feet per second)

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