CERTIFICATION 18USC SECTION 1350
Published on August 14, 2003
Exhibit 32
CERTIFICATION PURSUANT TO
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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 certifies that this Quarterly Report of Form 10-Q for the Quarter
Ended June 30, 2003 fully complies with the requirements of Section 13(a) or
15(d), as applicable, of the Securities Exchange Act of 1934 and that the
information contained in this Report fairly presents, in all material respects,
the financial condition and results of operations of California Water Service
Group.
Date: August 13, 2003 /s/ Peter C. Nelson
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PETER C. NELSON
Chief Executive Officer
California Water Service Group
Date: August 13, 2003 /s/ Richard D. Nye
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RICHARD D. NYE
Chief Financial Officer
California Water Service Group
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