Since 2000, California has suffered some of its worst droughts since state climate record keeping began in the late 1800s. The 2001-2002 rainy season in Southern California was the driest on record. The drought of 2011-2014 was the worst in state history. As of May 2015, the drought has worsened and continued. Current Water Conservation Efforts Are Not Sufficient California implemented numerous water conservation efforts to counteract the lack of fresh water. Eventually, those efforts will not be enough if the drought continues. So what is Plan B in case of emergencies?