Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
REVENUE	$ 124,853	$ 124,578	$ 298,981	$ 295,696
Production Expenses:
Purchased water	33,545	30,833	72,673	66,938
Power	1,882	2,500	4,774	5,491
Groundwater extraction charges	14,890	15,756	34,341	34,098
Other production expenses	4,836	4,216	13,674	12,067
Total production expenses	55,153	53,305	125,462	118,594
Administrative and general	12,752	11,949	36,278	34,909
Maintenance	4,980	4,607	14,036	12,991
Property taxes and other non-income taxes	4,016	3,454	11,332	10,260
Depreciation and amortization	13,682	12,065	40,921	36,217
Merger related expenses	8,442	0	14,994	0
Total operating expense	99,025	85,380	243,023	212,971
OPERATING INCOME	25,828	39,198	55,958	82,725
OTHER (EXPENSE) INCOME:
Interest on long-term debt and other interest expense	(6,077)	(5,541)	(18,213)	(17,354)
Pension non-service cost	(589)	(953)	(1,767)	(2,860)
Unrealized loss on California Water Service Group stock	0	0	(527)	0
Gain on sale of California Water Service Group stock	191	0	104	0
Gain on sale of real estate investments	0	0	0	6,903
Other, net	538	359	1,980	1,436
Income before income taxes	19,891	33,063	37,535	70,850
Provision for income taxes	4,103	13,523	7,591	27,055
NET INCOME BEFORE NONCONTROLLING INTEREST	15,788	19,540	29,944	43,795
Less net income attributable to the noncontrolling interest	0	0	0	1,896
SJW GROUP NET INCOME	15,788	19,540	29,944	41,899
Other comprehensive income, net of tax:
Unrealized gain on investment	0	80	0	252
SJW GROUP COMPREHENSIVE INCOME	$ 15,788	$ 19,620	$ 29,944	$ 42,151
SJW GROUP EARNINGS PER SHARE
Basic (usd per share)	$ 0.77	$ 0.95	$ 1.45	$ 2.04
Diluted (usd per share)	0.76	0.94	1.45	2.03
DIVIDENDS PER SHARE (usd per share)	$ 0.28	$ 0.22	$ 0.84	$ 0.65
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (shares)	20,626,654	20,516,172	20,593,570	20,502,274
Diluted (shares)	20,732,040	20,697,097	20,721,970	20,675,479