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SOURCE Summer 2012

Customizing Your Water Supply West Basin Municipal Water District’s Solution to Alternative Water Supply Marketing By Uzi Daniel, Trustee, CA-NV AWWA, West Basin MWD Fered one commodity, for which people needed. An evaluation of industrial andindustries in its service area and offer to pro-vide them with the type of water they-or many of us in the water utilityindustry, we have traditionally deliv come to us. Rarely have we gone out to truly commercial water quality requirements sell our product. Why? Everyone needs helped West Basin design and construct a water, right? West Basin Municipal Water recycled water treatment plant that could District has taken a different approach over offer not one, but five types of reclaimed water. the last 15 years to help with regional water supply issues by reaching out to business Industry and communities selling a different product West Basin serves three major oil refineries —customized recycled water. in southern California including BP/Arco, Exxon Mobil, and Chevron. These refineries West Basin is a water wholesaler founded utilize a total of 16,000 acre feet of water by vote of the people in 1947 to secure each year in the boiler feed (RO) and cooling water supplies in the area. It is located in towers (nitrified). Additionally, other large Seawater Barrier southern Los Angeles County from Malibu customers, such as Honda, also utilize nitri- As populations grew in the late 1940s and to Palos Verdes and serves nearly one million fied water for their cooling towers for their groundwater became heavily pumped, cities people. It relies heavily on imported water LEED certified green buildings. Moving near the coast began to see their water from the Metropolitan Water District. In the precious potable water resources across the become contaminated with seawater being early 1990s, West Basin recognized the need state for water that must be treated further drawn in from the ocean. The County of to diversify its water portfolio and began to at additional cost to the industry is inefficient Los Angeles put in more than 150 wells to survey the water needs of its communities. when a reliable local supply already exists. inject potable water along the coast creating Many businesses take potable water and a hydraulic barrier. More than 17 million treat it again at an additional cost, to fit the Irrigation gallons of water a day are pumped into the need of their specific industry. These indus- Like many southern California communi- aground to keep seawater out of the drinking tries are often not in the business of water ties, a significant amount of potable water water aquifers. West Basin’s Edward C. Little and frankly may not wish to be. As the cost is simply used to water the grass. Is it prac- Water Recycling Facility has been producing of imported water increases and technology tical to spend so much of the state’s energy for treatment improves, the incentive to on moving water hundreds of miles for utilize recycled water becomes even more irrigation of parks, schools, cemeteries and attractive. greenbelts? Cities throughout West Basin’s Join Us! service area including Inglewood and El West Basin began a huge effort nearly 20 Segundo have connected their public parks Recycled Water Special years ago to approach some of the major and schools to recycled water. In Carson, the Session Workshop Home Depot Center, which hosts national soccer teams, Bridging The Gap – Operators tennis matches and the X Games, utilizes recycled and Policy Managers of water for its turf which is Recycled Water critical to the economics of its business and the entire October 11, 2012 community. West Basin CA-NV AWWA Fall Conference saves nearly 50,000,000 gallons a day in potable San Diego water by selling recycled www.ca-nv-awwa.org water to its customers. 18 SOURCE summer 2012


SOURCE Summer 2012
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