CALIFORNIA AMERICAN WATER TO PARTICIPATE IN THE 29th ANNUAL U.S. OPEN SANDCASTLE COMPETITION

SAN DIEGO, CA (July 14, 2009) – California American Water will participate in the 29th Annual U.S. Open Sandcastle Competition in Imperial Beach. The U.S. Open Imperial Beach Sandcastle Competition is the largest of its kind in the United States. Master and amateur sand carving teams throughout the U.S. and Canada come to this event to compete for cash prizes. This festival encompasses a full weekend, including a street festival, live music and other entertainment. All events are free to the public except the Sandcastle Ball. California American Water will host a water conservation booth Saturday and Sunday during the street festival. Company representatives will be on hand to discuss water conservation tips, provide customers with rebate information and answer any questions. In addition, California American Water will field a team to compete in the Executive Sandbox Division. In 2008, California American Water placed second in this category. WHO: California American Water WHAT: 29th Annual U.S. Open Sandcastle Competition WHERE: Pier Plaza Seacoast Drive (Between Palm Avenue and Imperial Beach Boulevard) Imperial Beach, CA WHEN: Saturday, July 18, 2009 from 9:00am – 5:00pm Sunday, July 19, 2009 from 9:00am – 5:00pm California American Water, a wholly owned subsidiary of American Water (NYSE: AWK), is the largest investor-owned water utility in the state, providing high-quality and reliable water and/or wastewater services to more than 600,000 people. Founded in 1886, American Water is the largest investor-owned U.S. water and wastewater utility company. With headquarters in Voorhees, N.J., the company employs more than 7,000 dedicated professionals who provide drinking water, wastewater and other related services to approximately 15 million people in 32 states and Ontario, Canada. More information can be found by visiting www.amwater.com. # # #