Attached files

file filename
EX-21 - EX-21 - CALIFORNIA WATER SERVICE GROUPf54772exv21.htm
EX-12.1 - EX-12.1 - CALIFORNIA WATER SERVICE GROUPf54772exv12w1.htm
EX-31.1 - EX-31.1 - CALIFORNIA WATER SERVICE GROUPf54772exv31w1.htm
EX-23.1 - EX-23.1 - CALIFORNIA WATER SERVICE GROUPf54772exv23w1.htm
EX-23.2 - EX-23.2 - CALIFORNIA WATER SERVICE GROUPf54772exv23w2.htm
EX-31.2 - EX-31.2 - CALIFORNIA WATER SERVICE GROUPf54772exv31w2.htm
10-K - FORM 10-K - CALIFORNIA WATER SERVICE GROUPf54772e10vk.htm
Exhibit 32
CERTIFICATION OF CEO AND CFO
PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO SECTION 906
OF THE SARBANES-OXLEY ACT OF 2002
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned hereby certifies, in his capacity as an officer of California Water Service Group, that the Annual Report of California Water Service Group on Form 10-K for the period ended December 31, 2009, as filed with the Securities and Exchange Commission on the date hereof (the “Annual Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that the information contained in the Annual Report fairly presents, in all material respects, the financial condition and results of operations of California Water Service Group.
         
     
Date: February 26, 2010  By:   /s/ PETER C. NELSON    
    PETER C. NELSON   
    Chief Executive Officer
California Water Service Group 
 
 
     
Date: February 26, 2010  By:   /s/ MARTIN A. KROPELNICKI    
    MARTIN A. KROPELNICKI   
    Chief Financial Officer
California Water Service Group