Calling all plumbers, architects, builders, engineers, and landscape professionals. Would you like to learn about the City of Tucson's new greywater ordinance, that will be effective starting June 1,2010? If so, then the free seminar hosted by Tucson Water Conservation Office is for you. To register, contact Sarah Gallahar at (520)837-2105 or When: Wednesday, May 19, 2010 from 9am to 11am

Where: Main Library, 101 N. Stone Avenue (Lower Level)