The docks are slowly pushed back at the Callville Bay Marina in the Lake Mead National Recreation Area on Thursday, August 6, 2026, outside Las Vegas. Baskow/Las Vegas Review-Journal) @Left_Eye_ImagesLake Mead, visible from the road above Boxcar Cove at the Lake Mead National Recreation Area on Thursday, August 6, 2026, outside Las Vegas. Baskow/Las Vegas Review-Journal) @Left_Eye_ImagesA woman cools off at the Callville Bay Marina in the Lake Mead National Recreation Area on Thursday, August 6, 2026, outside Las Vegas. Baskow/Las Vegas Review-Journal) @Left_Eye_ImagesLake Mead, visible from the road to Crawdad Cove in the Lake Mead National Recreation Area on Thursday, August 6, 2026, outside Las Vegas. A leading group of Colorado River researchers said last month that the combined storage of Lake Mead and Lake Powell hasn’t been this low since low since 1957 during the construction of Glen Canyon Dam.