The change in water levels ... Lakes Mead and Powell are major reservoirs of the Colorado River, formed by the Hoover Dam and ...
Federal officials have discovered damage inside Glen Canyon Dam ... works — that allow water to pass through the dam in northern Arizona when Lake Powell reaches low levels.
As Lake Mead’s water level continues to ... looks to reduce the risk of Lake Powell from dropping below 3,490 feet, a level at which Glen Canyon Dam could no longer produce power.
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