Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 9,699	$ 9,447
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,235	5,064
Stock-based compensation	68	41
Increase in deferred income taxes	298	2,102
Other	234	59
Changes in assets and liabilities:
Increase in accounts receivable and unbilled revenues	(253)	(306)
Decrease in recoverable income taxes	0	282
Increase in materials and supplies, prepaid expenses, regulatory and other assets	(4,741)	(4,642)
Increase in accounts payable, accrued compensation and benefits, accrued expenses, deferred employee benefits, regulatory liabilities, and other deferred credits	3,821	2,674
Increase in accrued interest and taxes	49	695
Net cash provided by operating activities	14,410	15,416
CASH FLOWS FROM INVESTING ACTIVITIES:
Utility plant additions, including debt portion of allowance for funds used during construction of $98 in 2018 and $352 in 2017	(10,664)	(20,628)
Acquisitions of water and wastewater systems	0	(472)
Cash received from surrender of life insurance policies	108	0
Net cash used in investing activities	(10,556)	(21,100)
CASH FLOWS FROM FINANCING ACTIVITIES:
Customers' advances for construction and contributions in aid of construction	1,289	1,315
Repayments of customer advances	(371)	(288)
Proceeds of long-term debt issues	20,319	15,896
Repayments of long-term debt	(20,239)	(11,683)
Borrowings under short-term line of credit agreements	0	1,000
Changes in cash overdraft position	26	1,206
Repurchase of common stock	0	(1,263)
Issuance of common stock	1,548	1,462
Dividends paid	(6,426)	(6,168)
Net cash provided by (used in) financing activities	(3,854)	1,477
Net change in cash and cash equivalents	0	(4,207)
Cash and cash equivalents at beginning of period	2	4,209
Cash and cash equivalents at end of period	2	2
Cash paid during the period for:
Interest, net of amounts capitalized	3,470	3,018
Income taxes	$ 2,050	$ 379
Supplemental disclosure of non-cash investing and financing activities:
Accounts payable includes $1,871 in 2018 and $1,719 in 2017 for the construction of utility plant.