Lake Powell is the second-largest reservoir in the nation by capacity and began to fill with Colorado River water in the 1960s with the completion of Glen Canyon Dam.
The ongoing megadrought and human demands upon the river have caused Lake Powell’s elevation to plummet to levels not seen since the days when the reservoir was filling for the first time. The precipitous drop in the reservoir has threatened hydropower at the dam and led the federal government to demand significant water cutbacks among the seven states of the Colorado River Basin.
For aerial photos of the north end of Lake Powell, please see this page.
Glen Canyon Dam and vicinity, near Page, Arizona (map)
Alexander Heilner/The Water Desk with aerial support from LightHawk
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