Lake Mead water level falls to a landmark low, and is likely to get worse

For Western states enduring a debilitating drought, the news is bone-dry bad: Anemic Lake Mead has hit a historic low level. The surface of the sprawling reservoir outside Las Vegas late Tuesday afternoon fell to 1,079.76 feet above sea level — nearly 140 feet below capacity — as the prolonged drought continues to evaporate the beleaguered Colorado River system. Mead’s chalky white shoreline is advancing as the waters quickly recede. For California, Arizona and Nevada, which draw water from Mead, a grim situation is about to get worse: Officials estimate that Mead will drop to the unprecedented low elevation of 1,073 feet as the hottest summer months bear down, with less snowpack in the Rocky Mountains to recharge the Colorado River. “We’re only at 38 percent full. Lake Mead hasn’t been this low since we were filling it in the 1930s,” said Rose Davis, a spokeswoman for the U.S. Bureau of Reclamation in Las Vegas. “All the way around, this is bad news. There’s not much good to say about 15 years of drought, no matter how you look at it.” Lake Mead, which meanders miles into the parched Nevada desert, held back by the Hoover Dam, is drawing closer to the 1,075-foot level, below which officials would declare a water emergency and begin rationing water allotments to Nevada and Arizona. The more the water level drops, the greater the chances that Hoover Dam’s hydroelectric output might be seriously affected, federal officials say. Federal forecasters originally predicted that the Colorado River would flow at 71 percent capacity this summer, but they now say the figure could fall to 50 percent or lower...more