for scene 17 of the video " Water Crisis: Healing the Colorado River - part 1" by Rolf Witzsche
here for a larger image
It took 11 years for the lake to fill
Lake Powell itself, that the Colorado River flows out of, has half the surface area of Lake Mead, but holds nearly as much water.
It took 11 years for the lake to fill. This occurred in June 1980, long before the drought. Half of the lake's stored water has been drawn down again in response to the drought.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.