Segment and Nonregulated Business Reporting

9 Months Ended

Sep. 30, 2011

Segment and Nonregulated Business Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Text Block]

Segment and Nonregulated Business Reporting

SJW Corp. is a holding company with four subsidiaries: (i) San Jose Water Company, a water utility operation with both regulated and nonregulated businesses, (ii) SJW Land Company and its consolidated variable interest entity, 444 West Santa Clara Street, L.P., operate commercial building rentals, (iii) SJWTX, Inc. which is doing business as Canyon Lake Water Service Company, a regulated water utility located in Canyon Lake, Texas, and its consolidated nonregulated variable interest entity, Acequia Water Supply Corporation, and (iv) Texas Water Alliance Limited, a nonregulated water utility operation which is undertaking activities that are necessary to develop a water supply project in Texas. In accordance with FASB ASC Topic 280 – “Segment Reporting,” SJW Corp. has determined that it has two reportable business segments. The first segment is that of providing water utility and utility-related services to its customers through SJW Corp.’s subsidiaries, San Jose Water Company, Canyon Lake Water Service Company, and Texas Water Alliance Limited, together referred to as “Water Utility Services.” The second segment is property management and investment activity conducted by SJW Land Company, referred to as “Real Estate Services.”

SJW Corp.’s reportable segments have been determined based on information used by the chief operating decision maker. SJW Corp.’s chief operating decision maker is its President and Chief Executive Officer (“CEO”). The CEO reviews financial information presented on a consolidated basis that is accompanied by disaggregated information about operating revenue, net income and total assets, by subsidiaries.

The tables below set forth information relating to SJW Corp.’s reportable segments and distribution of regulated and nonregulated business activities within the reportable segments. Certain allocated assets, revenue and expenses have been included in the reportable segment amounts. Other business activity of SJW Corp. not included in the reportable segments is included in the “All Other” category.

	For Three Months Ended September 30, 2011
	Water Utility Services			Real Estate Services		All Other*		SJW Corp.
	Regulated		Non regulated	Non regulated		Non regulated		Regulated	Non regulated		Total
Operating revenue	$	71,013	1,704	1,197		—		71,013	2,901		73,914
Operating expense	52,898		1,145	844		541		52,898	2,530		55,428
Operating income (loss)	18,115		559	353		(541	)	18,115	371		18,486
Net income (loss)	8,509		312	(80	)	(526	)	8,509	(294	)	8,215
Depreciation and amortization	7,284		92	427		—		7,284	519		7,803
Senior note, mortgage and other interest expense	4,159		—	423		538		4,159	961		5,120
Income tax expense (benefit) in net income	5,582		227	(63	)	(386	)	5,582	(222	)	5,360
Assets	$	885,053	11,561	80,895		35,734		885,053	128,190		1,013,243

	For Three Months Ended September 30, 2010
	Water Utility Services			Real Estate Services		All Other*		SJW Corp.
	Regulated		Non regulated	Non regulated		Non regulated		Regulated	Non regulated		Total
Operating revenue	$	67,928	1,575	844		—		67,928	2,419		70,347
Operating expense	49,956		1,010	892		567		49,956	2,469		52,425
Operating income (loss)	17,972		565	(48	)	(567	)	17,972	(50	)	17,922
Net income (loss)	8,501		317	(342	)	2,311		8,501	2,286		10,787
Depreciation and amortization	6,576		87	419		—		6,576	506		7,082
Senior note, mortgage and other interest expense	4,206		—	440		6		4,206	446		4,652
Income tax expense (benefit) in net income	5,737		225	(234	)	1,605		5,737	1,596		7,333
Assets	$	827,850	9,462	83,545		34,535		827,850	127,542		955,392

	For Nine Months Ended September 30, 2011
	Water Utility Services			Real Estate Services		All Other*		SJW Corp.
	Regulated		Non regulated	Non regulated		Non regulated		Regulated	Non regulated		Total
Operating revenue	$	169,355	3,879	3,383		—		169,355	7,262		176,617
Operating expense	132,044		2,650	2,493		1,559		132,044	6,702		138,746
Operating income (loss)	37,311		1,229	890		(1,559	)	37,311	560		37,871
Net income (loss)	14,918		662	(347	)	(957	)	14,918	(642	)	14,276
Depreciation and amortization	21,854		269	1,266		—		21,854	1,535		23,389
Senior note, mortgage and other interest expense	12,660		—	1,315		558		12,660	1,873		14,533
Income tax expense (benefit) in net income	10,105		486	(249	)	(732	)	10,105	(495	)	9,610
Assets	$	885,053	11,561	80,895		35,734		885,053	128,190		1,013,243

	For Nine Months Ended September 30, 2010
	Water Utility Services			Real Estate Services		All Other*		SJW Corp.
	Regulated		Non regulated	Non regulated		Non regulated		Regulated	Non regulated		Total
Operating revenue	$	158,860	3,553	2,473		—		158,860	6,026		164,886
Operating expense	124,055		2,409	2,341		1,477		124,055	6,227		130,282
Operating income (loss)	34,805		1,144	132		(1,477	)	34,805	(201	)	34,604
Net income (loss)	14,699		650	(827	)	1,766		14,699	1,589		16,288
Depreciation and amortization	19,745		260	1,258		—		19,745	1,518		21,263
Senior note, mortgage and other interest expense	11,649		—	1,324		6		11,649	1,330		12,979
Income tax expense (benefit) in net income	9,948		457	(568	)	1,279		9,948	1,168		11,116
Assets	$	827,850	9,462	83,545		34,535		827,850	127,542		955,392

* The “All Other” category includes the accounts of SJW Corp. on a stand-alone basis.