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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report (date of earliest event reported): September 12, 2007

CALIFORNIA WATER SERVICE GROUP

(Exact name of Registrant as Specified in its Charter)


Delaware (State or other jurisdiction of incorporation)		1-13883 (Commission file number)		77-0448994 (I.R.S. Employer Identification Number)


1720 North First Street San Jose, California (Address of principal executive offices)		95112 (Zip Code)

(408) 367-8200
(Registrant’s telephone number, including area code)

N/A
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o		Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o		Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o		Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o		Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS


	Item 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.
	Item 9.01. Financial Statements and Exhibits.
SIGNATURES
Exhibit Index
EXHIBIT 99.1


Item 5.02.		Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

(b) On September 12, 2007, David Kennedy informed the Company that he was retiring from his position as a director of California Water Service Group and all its subsidiaries and affiliates, effective immediately.


Item 9.01.		Financial Statements and Exhibits.

We hereby furnish the following exhibit with this report:


Exhibit No.		Description
99.1		Press Release issued September 14, 2007.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


	CALIFORNIA WATER SERVICE GROUP
Date: September 14, 2007	By:	/s/ Martin A. Kropelnicki
	Name:	Martin A. Kropelnicki
	Title:	Vice President, Chief Financial Officer and Treasurer

Table of Contents

Table of Contents

Table of Contents

Table of Contents