Commitments and Contingent Liabilities (Tables)

3 Months Ended

Mar. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of purchased water cost

Purchased water costs are shown below:

	(In Thousands)
	Three Months Ended
	March 31,
	2018		2017
Treated	$	888	$	779
Untreated		930		659
Total Costs	$	1,818	$	1,438