The U.S. Environmental Protection Agency (EPA) presented a WaterSense partner City award to Durham yesterday at the WaterSmart Innovations (WSI) Conference  and Exposition in Las Vegas, Nevada, to recognize their support of  WaterSense and water efficiency in 2021. Together, WaterSense partners  helped communities save a total of more than 6.4 trillion gallons of  water and more than $135 billion on utility bills since 2006.