What to know about the Colorado River

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Hart Van Denburg/CPR News
Wahweap Marina, squeezed by the dropping and encroaching shoreline of Lake Powell on the Colorado River behind the Glen Canyon Dam, Page, Arizona, Feb. 20, 2023. Completed in 1964, the dam created a reservoir designed to help guarantee water delivery to states in the Lower Colorado River Basin in years of low flow. But now Lake Powell itself is depleting and silting up.