Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
REVENUE	$ 99,086	$ 102,073	$ 174,128	$ 171,118
Production Expenses:
Purchased water	23,712	22,181	39,128	36,105
Power	1,624	1,704	2,892	2,991
Groundwater extraction charges	9,919	10,932	19,451	18,342
Other production expenses	4,626	3,991	8,838	7,851
Total production expenses	39,881	38,808	70,309	65,289
Administrative and general	11,958	11,815	23,526	22,960
Maintenance	4,596	4,487	9,056	8,384
Property taxes and other non-income taxes	3,450	3,111	7,316	6,806
Depreciation and amortization	13,656	12,033	27,239	24,152
Merger related expenses	2,746	0	6,552	0
Total operating expense	76,287	70,254	143,998	127,591
OPERATING INCOME	22,799	31,819	30,130	43,527
OTHER (EXPENSE) INCOME:
Interest on long-term debt and other interest expense	(6,084)	(5,756)	(12,136)	(11,813)
Pension non-service cost	(595)	(1,032)	(1,178)	(1,907)
Unrealized gain (loss) on California Water Service Group stock	140	0	(527)	0
Loss on sale of California Water Service Group stock	0	0	(87)	0
Gain on sale of real estate investments	0	6,903	0	6,903
Other, net	679	614	1,442	1,077
Income before income taxes	16,939	32,548	17,644	37,787
Provision for income taxes	4,068	11,964	3,488	13,532
NET INCOME BEFORE NONCONTROLLING INTEREST	12,871	20,584	14,156	24,255
Less net income attributable to the noncontrolling interest	0	1,896	0	1,896
SJW GROUP NET INCOME	12,871	18,688	14,156	22,359
Other comprehensive income, net of tax:
Unrealized gain on investment	0	56	0	172
SJW GROUP COMPREHENSIVE INCOME	$ 12,871	$ 18,744	$ 14,156	$ 22,531
SJW GROUP EARNINGS PER SHARE
Basic (usd per share)	$ 0.63	$ 0.91	$ 0.69	$ 1.09
Diluted (usd per share)	0.62	0.90	0.68	1.08
DIVIDENDS PER SHARE (usd per share)	$ 0.28	$ 0.22	$ 0.56	$ 0.44
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (shares)	20,592,014	20,504,357	20,576,757	20,495,211
Diluted (shares)	20,732,127	20,673,775	20,716,665	20,664,556