X0203 0001354457 NASDAQ Stock Market LLC 0000092472 SOUTHWEST WATER CO 000-08176

One Wilshire Building, 624 South Grand A Los Angeles CA CALIFORNIA 90017-3782

+1 213 929-1800 Common stock 17 CFR 240.12d2-2(a)(3) Tara Petta Director 2010-09-13