SouthWest Water Company Promotes Kathy Stone to California District Manager

SouthWest Water Company (NASDAQ: SWWC) today announced that Kathy Stone has been promoted to California District Manager for the company’s Operations and Maintenance Division.

Stone is a 22-year veteran of the water and wastewater industry. She joined a predecessor company of SouthWest Water in 1990 as a laboratory technician, has held several positions during her tenure and for the last 12 years has served as regional manager of Northern California O&M operations.

"Kathy’s customer service focus and extensive knowledge of the water and wastewater industry has been instrumental in helping SouthWest Water grow its contract operations in Northern California," said Chris Malinowski, SouthWest Water's Managing Director of Operations and Maintenance. "We are excited about her putting these talents to work through-out the state of California and leading our team there to further success."

Stone is a certified Grade V Wastewater Operator, Grade I Laboratory Analyst and Grade I Environmental Compliance Inspector in the state of California. She specializes in industrial waste programs, sewer system management plan programs, and certified lab testing. She earned her Bachelors of Science degree in Biology and Chemistry and a Master of Science degree in Biology/Natural Science from Chico State University, California.

About SouthWest Water

SouthWest Water Company provides a broad range of operations, maintenance and management services, including water production, treatment and distribution; wastewater collection and treatment; customer service; and utility infrastructure construction management. The company owns regulated public utilities and also serves cities, utility districts and private companies under contract. More than a million people in 9 states depend on SouthWest Water for high-quality, reliable service. Additional information may be found on the company's Web site: http://www.swwc.com.