SWWC Southwest Water (MM)

SouthWest Water Company (NASDAQ: SWWC) today announced that Vice President of Corporate Communications DeLise Keim will present a company overview at the California Stock Report's 2008 Southern California Investor Conference at 10:00 a.m. Pacific Time on Wednesday, September 3, 2008 at The Island Hotel in Newport Beach, California.

Interested parties may listen to the presentation through a live audio webcast at www.californiastocks.com. Listeners are encouraged to visit the Web site at least 15 minutes prior to the start of the scheduled presentation to register, download and install any necessary audio software.

About SouthWest Water

SouthWest Water Company provides a broad range of services, including water production, treatment and distribution; wastewater collection and treatment; utility billing and collection; utility infrastructure construction management; and public works services. The company owns regulated public utilities and also serves cities, utility districts and private companies under contract. More than two million people in 10 states depend on SouthWest Water for high-quality, reliable service. Additional information may be found on the company's website: www.swwc.com.

About California Equity Research, LLC

Based in San Diego, California Equity Research, LLC is an independent research-only firm focused exclusively on coverage of underfollowed California-based equities. For more information, please visit the California Equity Research website at www.calequityresearch.com.

Contacts: DeLise Keim VP, Corp. Communications SouthWest Water Company 624 S. Grand Ave., Suite 2900 Los Angeles, CA 90017 (213) 929-1846 www.swwc.com Robert Jaffe PondelWilkinson Inc. 1880 Century Park East, Suite 700 Los Angeles, CA 90067 (310) 279-5969 www.pondel.com