LOS ANGELES--(BUSINESS WIRE)--In what is shaping up as a fourth straight drought year in California, Metropolitan Water District’s Board of Directors today selected a Los Angeles-based advertising firm to continue to aggressively promote region-wide conservation in 2015 and maintain water reserves for future years. The board awarded Quigley-Simpson & Heppelwhite, Inc. a $5.5 million contract to work with Metropolitan in developing a comprehensive, culturally diverse, multimedia advertising