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Commitments and Contingent Liabilities (Tables)
9 Months Ended
Sep. 30, 2015
Commitments and Contingent Liabilities [Abstract]  
Schedule of purchased water cost

 

 

(In Thousands)

  Three Months Ended Nine Months Ended
  September 30, September 30,
  2015   2014 2015 2014
 

       
Treated 775 764   $ 2,271     $ 2,344  
Untreated
674 642     1,869       1,763  
Total Costs $ 1,449 $ 1,406   $ 4,140     $ 4,107