X0303 5 2009-12-31 0 0 0 0000092472 SOUTHWEST WATER CO SWWC 0001363411 Swatek Mark 624 SOUTH GRAND AVENUE, SUITE 2900 LOS ANGELES CA 90017 1 1 0 0 CEO & Chairman of the Board Common Stock 2009-12-31 5 A 0 1000 4.5585 A 140844 D By: Barbara Libutti, Attorney in Fact For: Mark A Swatek 2010-01-26