Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 8,904	$ 8,973
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,796	4,591
Increase in deferred income taxes	1,050	910
Other	245	245
Changes in assets and liabilities:
Increase in accounts receivable and unbilled revenues	(830)	(690)
Decrease in recoverable income taxes	973	682
Increase in materials and supplies, prepaid expenses, regulatory and other assets	(2,343)	(1,843)
Increase in accounts payable, accrued compensation and benefits, accrued expenses, deferred employee benefits, and other deferred credits	1,093	739
Increase in accrued interest and taxes	128	9
Net cash provided by operating activities	14,016	13,616
CASH FLOWS FROM INVESTING ACTIVITIES:
Utility plant additions, including debt portion of allowance for funds used during construction of $84 in 2016 and $83 in 2015	(8,302)	(10,271)
Acquisitions of water systems	(29)	(94)
Decrease in notes receivable	0	11
Cash received from surrender of life insurance policies	642	0
Net cash used in investing activities	(7,689)	(10,354)
CASH FLOWS FROM FINANCING ACTIVITIES:
Customers' advances for construction and contributions in aid of construction	1,720	1,051
Repayments of customer advances	(373)	(287)
Proceeds of long-term debt issues	0	14,301
Debt issuance costs	0	(298)
Repayments of long-term debt	(33)	(11,876)
Repurchase of common stock	(474)	(2,495)
Issuance of common stock	2,113	1,762
Dividends paid	(5,960)	(5,760)
Net cash used in financing activities	(3,007)	(3,602)
Net change in cash and cash equivalents	3,320	(340)
Cash and cash equivalents at beginning of period	2,879	1,488
Cash and cash equivalents at end of period	6,199	1,148
Supplemental disclosures of cash flow information:
Interest, net of amounts capitalized	3,623	3,686
Income taxes	$ 1,662	$ 1,961
Supplemental schedule of non-cash investing and financing activities:
Accounts payable includes $475 in 2016 and $1,017 in 2015 for the construction of utility plant.