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Commitments and Contingent Liabilities (Tables)
9 Months Ended
Sep. 30, 2014
Commitments and Contingent Liabilities [Abstract]  
Schedule of purchased water cost

Purchased water costs are shown below:

 

    (In Thousands)
    Three Months Ended  

Nine Months Ended

   

September 30,

 

September 30,

    2014   2013   2014   2013
                 
Treated   $ 764     $ 780     $ 2,344     $ 2,303  
Untreated     642       618       1,763       1,739  
Total Costs   $ 1,406     $ 1,398     $ 4,107     $ 4,042