LAS VEGAS- Registration for the 5th Annual WaterSmart Innovations (WSI) Conference and Exposition, the world’s pre-eminent urban water efficiency conference, is set to open Tuesday, May 1. WSI 2012, the largest multi-disciplinary event of its kind, is slated for Oct. 3-5 at the South Point Hotel and Conference Center in Las Vegas.

WSI is offering an early bird registration fee of $330 through Friday, June 1. Beginning Saturday, June 2, the full registration fee will be $390. To register for the conference and for more information about the event, including professional sessions, the expo hall and technical tours, visit www.WaterSmartInnovations.com

Last year’s WSI conference and exposition drew about 1,000 participants from more than 30 states and eight foreign nations.

The Southern Nevada Water Authority is presenting WSI 2012 in partnership with the Alliance for Water Efficiency, American Water Works Association, Audubon International, California Landscape Contractors Association, California Urban Water Conservation Council, the U.S. EPA’s WaterSense Program, GreenPlumbers USA, International Association of Plumbing and Mechanical Officials, International Center for Water Technology, International Code Council and Irrigation Association.

More information is available at www.WaterSmartInnovations.com.