EXHIBIT 99.1



                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



           In connection with the Quarterly Report of The Connecticut Water
Service, Inc. (the "Company") on Form 10-Q for the period ending March 31, 2003
as filed with the Securities and Exchange Commission on the date hereof (the
"Report"), I, Marshall T. Chiaraluce, Chief Executive Officer of the Company,
Certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that:

           (1) The Report fully complies with the requirements of Section 13(a)
or 15(d) of the Securities Exchange Act of 1934; and

           (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and result of operations of the
Company.




/s/  Marshall T. Chiaraluce
- ---------------------------
Marshall T. Chiaraluce
Chief Executive Officer
May 14, 2003


A signed original of this written statement required by Section 906 has been
provided to Connecticut Water Service, Inc. and will be retained by Connecticut
Water Service, Inc. and furnished to the Securities and Exchange Commission or
its staff upon request.