The U.S. Environmental Protection Agency‘s (EPA’s) WaterSense program recognized four WaterSense Sustained Excellence Award winners, seven Partners of the Year, and six Excellence Award winners at the WaterSmart Innovations (WSI) Conference and Exposition in Las Vegas, Nevada.

These partners made a difference every day across the country by creating, rebating, communicating, and educating consumers about WaterSense labeled products, homes, and programs in 2014. The combined efforts of the award winners and more than 1,600 WaterSense partners have helped consumers save more than 1.1 trillion gallons of water and $21.7 billion in water and energy bills since 2006.

Check out the full list of winners here.