In this before-and-after composite image, above, the Enterprise Bridge passes over full water levels at a section of Lake Oroville on July 20, 2011 in Oroville, Calif. The Enterprise Bridge, below, passes over a section of Lake Oroville that is nearly dry on Aug. 19, 2014 in Oroville, Calif. As the severe drought in Calif. continues for a third straight year, water levels in the State's lakes and reservoirs is reaching historic lows. Folsom Lake is currently at 40 percent of its total capacity of 977,000 acre feet.
Paul Hames/California Department of Water Resources via Getty Images|Justin Sullivan/Getty Images