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Exhibit 12

SOUTHWEST WATER COMPANY AND SUBSIDIARIES

COMPUTATION OF EARNINGS TO FIXED CHARGES RATIOS

		Years Ended December 31,(1)
(In thousands, except for ratio data)		2008			2007 As Restated			2006 As Restated			2005 As Restated			2004 As Restated
Earnings:
Income (loss) from continuing operations before income taxes		$	(40,648	)	$	7,486		$	8,709		$	4,655		$	(271	)
Total fixed charges			12,473			12,096			11,559			11,655			8,643
Less: Interest capitalized			(338	)		(794	)		(564	)		(737	)		(501	)
	Total earnings	$	(28,513	)	$	18,788		$	19,704		$	15,573		$	7,871
Fixed Charges:
Interest expense, including amortization of debt discounts and issuance costs		$	9,159		$	8,435		$	8,439		$	8,402		$	5,928
Interest capitalized			338			794			564			737			501
Interest component of rentals(1)			2,976			2,867			2,556			2,516			2,214
	Total fixed charges	$	12,473		$	12,096		$	11,559		$	11,655		$	8,643
Ratio of Earnings to Fixed Charges:
Ratio			—			1.55x			1.70x			1.34x			—
Deficiency		$	40,986		$	—		$	—		$	—		$	772

(1)

Reflects one-third of rental expense under operating leases considered to represent interest costs.

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Exhibit 12

SOUTHWEST WATER COMPANY AND SUBSIDIARIES
COMPUTATION OF EARNINGS TO FIXED CHARGES RATIOS