Regulatory Matters: (Tables)

3 Months Ended

Mar. 31, 2013

Regulatory Matters:

Schedule of regulatory assets, less regulatory liabilities in the consolidated balance sheets for continuing operations

(dollars in thousands)	March 31, 2013			December 31, 2012
Water Revenue Adjustment Mechanism, net of Modified Cost Balancing Account	$	44,449		$	42,574
Base Revenue Requirement Adjustment Mechanism	7,270			6,833
Costs deferred for future recovery on Aerojet case	15,831			16,030
Pensions and other post-retirement obligations (Note 7)	56,484			56,894
Flow-through taxes, net (Note 6)	16,010			16,415
General rate case memorandum accounts	11,427			4,495
Other regulatory assets	40,280			40,332
Various refunds to customers	(6,522		)	(7,558		)
Total	$	185,229		$	176,015