Schreiber said his town turned to reused water out of necessity. In 2010, the lakes that supply the city were 97 percent full. Then the drought of 2011—the worst on record since the state started keeping records in the 1890s—brought temperatures above 100 degrees Fahrenheit for more than three months. And while other parts of the state got some relief in 2012 and 2013, the dry spell has never ended in Wichita Falls.