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): November 1, 2006

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 2.02.       Results of Operations and Financial Condition.
	Item 9.01.       Financial Statements and Exhibits.
SIGNATURES
Exhibit Index
EXHIBIT 99.1

Item 2.02.       Results of Operations and Financial Condition.

          On November 1, 2006, California Water Service Group (the “Company”) issued a press release announcing its quarterly dividend and earnings results for the three and nine-month periods ended September 30, 2006, a copy of which is attached as Exhibit 99.1 to this Current Report.

          In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report, including Exhibit 99.1, shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01.       Financial Statements and Exhibits.

          The Company hereby furnishes the following exhibit with this report:

Exhibit No.	Description
99.1	Press Release issued November 1, 2006

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: November 3, 2006	By:	/s/ Martin Kropelnicki
		Name:	Martin Kropelnicki
		Title:	Vice President, Chief Financial Officer and Treasurer (Duly Authorized Officer)

Exhibit Index

Exhibit No.	Description
99.1	Press Release issued November 1, 2006