X0202 4 2006-08-15 0 0000092472 SOUTHWEST WATER CO SWWC 0001163359 GRIEGO LINDA M 644 S. FIGUEROA STREET LOS ANGELES CA 90017 0 0 0 1 Director until May 16, 2006 Common Stock 2006-08-15 4 M 0 2000 9.22 A 7025 D Common Stock 2006-08-15 4 S 0 2000 13.42 D 5025 D Common Stock 2006-08-15 4 M 0 650 9.22 A 5675 D Common Stock 2006-08-15 4 S 0 650 13.41 D 5025 D Common Stock 2006-08-15 4 M 0 850 8.24 A 5875 D Common Stock 2006-08-15 4 S 0 850 13.41 D 5025 D Common Stock 2006-08-15 4 M 0 1500 8.24 A 6525 D Common Stock 2006-08-15 4 S 0 1500 13.45 D 5025 D Common Stock 2006-08-15 4 M 0 5000 8.24 A 10025 D Common Stock 2006-08-15 4 S 0 5000 13.46 D 5025 D Common Stock 2006-08-16 4 M 0 974 9.22 A 5999 D Common Stock 2006-08-16 4 S 0 974 13.33 D 5025 D Common Stock 2006-08-16 4 M 0 2000 9.22 A 7025 D Common Stock 2006-08-16 4 S 0 2000 13.44 D 5025 D Common Stock 2006-08-16 4 M 0 526 9.22 A 5551 D Common Stock 2006-08-16 4 S 0 526 13.48 D 5025 D Common Stock 2006-08-16 4 M 0 1000 9.22 A 6025 D Common Stock 2006-08-16 4 S 0 1000 13.45 D 5025 D Director Stock Options (Right to Buy) 9.22 2006-08-15 4 M 0 2000 13.42 A 2003-11-29 2008-11-30 Common Stock 2000 7250 D Director Stock Options (Right to Buy) 9.22 2006-08-15 4 M 0 650 13.41 A 2003-11-29 2008-11-30 Common Stock 650 7900 D Director Stock Options (Right to Buy) 8.24 2006-08-15 4 M 0 850 13.41 A 2005-05-08 2010-05-09 Common Stock 850 8800 D Director Stock Options (Right to Buy) 8.24 2006-08-15 4 M 0 1500 13.45 A 2005-05-08 2010-05-09 Common Stock 1500 10300 D Director Stock Options (Right to Buy) 8.24 2006-08-15 4 M 0 5000 13.46 A 2005-05-08 2010-05-09 Common Stock 5000 15300 D Director Stock Options (Right to Buy) 9.22 2006-08-16 4 M 0 974 13.33 A 2003-11-29 2008-11-30 Common Stock 974 16274 D Director Stock Options (Right to Buy) 9.22 2006-08-16 4 M 0 2000 13.44 A 2003-11-29 2008-11-30 Common Stock 2000 18274 D Director Stock Options (Right to Buy) 9.22 2006-08-16 4 M 0 526 13.48 A 2003-11-29 2008-11-30 Common Stock 526 18800 D Director Stock Options (Right to Buy) 9.22 2006-08-16 4 M 0 1000 13.45 A 2003-11-29 2008-11-30 Common Stock 1000 19800 D On November 29, 2001 7,717 options(dividend-adjusted) were granted to Ms.Griego. Options vest 1/2 on each anniversary until they were fully vested on November 29,2002. On May 8, 2003 7,350 options (dividend-adjusted) were granted to Ms.Griego. Options vest 1/2 on each anniversary until they were fully vested on May 8, 2005. These shares are held in a joint account for the benefit of Richard C Peterson and Linda Griego JTWROS. /s/ Linda M. Griego 2006-08-21