Full water levels are visible behind the Folsom Dam at Folsom Lake on July 20, 2011, in El Folsom, California, followed by current drought levels on Aug. 19, 2014. Credit: California Department of Water Resources / Getty Images

Full water levels are visible in the Bidwell Marina at Lake Oroville on July 20, 2011, in Oroville, California, followed by current drought levels on Aug. 19, 2014. Credit: California Department of Water Resources / Getty Images
