August 21, 2018
In this May 18, 2015, file photo, water intake pipes that were once underwater sit above the water line along Lake Mead near Boulder City, Nevada. U.S. government water managers said Lake Mead will be able to meet the demands of Mexico and Southwestern states for the next 13 months, but a looming shortage could trigger cutbacks in late 2019. (AP Photo/John Locher, File)