Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 9,447	$ 8,904
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,064	4,796
Stock-based compensation	41	0
Increase in deferred income taxes	2,102	1,050
Other	59	245
Changes in assets and liabilities:
Increase in accounts receivable and unbilled revenues	(306)	(830)
Decrease in recoverable income taxes	282	973
Increase in materials and supplies, prepaid expenses, regulatory and other assets	(4,642)	(2,343)
Increase in accounts payable, accrued compensation and benefits, accrued expenses, deferred employee benefits, and other deferred credits	2,674	1,093
Increase in accrued interest and taxes	695	128
Net cash provided by operating activities	15,416	14,016
CASH FLOWS FROM INVESTING ACTIVITIES:
Utility plant additions, including debt portion of allowance for funds used during construction of $352 in 2017 and $84 in 2016	(20,628)	(8,302)
Acquisitions of water and wastewater systems	(472)	(29)
Cash received from surrender of life insurance policies	0	642
Net cash used in investing activities	(21,100)	(7,689)
CASH FLOWS FROM FINANCING ACTIVITIES:
Customers' advances for construction and contributions in aid of construction	1,315	1,720
Repayments of customer advances	(288)	(373)
Proceeds of long-term debt issues	15,896	0
Repayments of long-term debt	(11,683)	(33)
Borrowings under short-term line of credit agreements	1,000	0
Changes in cash overdraft position	1,206	0
Repurchase of common stock	(1,263)	(474)
Issuance of common stock	1,462	2,113
Dividends paid	(6,168)	(5,960)
Net cash provided by (used in) financing activities	1,477	(3,007)
Net change in cash and cash equivalents	(4,207)	3,320
Cash and cash equivalents at beginning of period	4,209	2,879
Cash and cash equivalents at end of period	2	6,199
Cash paid during the period for:
Interest, net of amounts capitalized	3,018	3,623
Income taxes	$ 379	$ 1,662
Supplemental disclosure of non-cash investing and financing activities:
Accounts payable includes $1,719 in 2017 and $475 in 2016 for the construction of utility plant.