Commitments and Contingent Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of purchased water cost

Purchased water costs are shown below:

	(In Thousands)
	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Treated	$	791	$	804	$	2,365	$	2,360
Untreated		673		675		1,905		1,911
Total Costs	$	1,464	$	1,479	$	4,270	$	4,271