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 3, 2008

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))

 

 

Item 8.01.		Other Events.

     On September 3, 2008, California Water Service Group (the “ Company”), through it’s wholly owned subsidiary Hawaii Water Service Company, completed the acquisition of all of the capital stock of Waikoloa Resort Utilities, Inc., Waikoloa Water Company, Inc., and Waikoloa Sanitary Sewer Company, Inc. (together “ West Hawaii Utilities”).

     A copy of the Company’s press release announcing the completion of the acquisition is attached to this report as Exhibit 99.1.

Item 9.01.		Financial Statements and Exhibits.

Exhibit No.				Description
	99.1			Press Release issued September 3, 2008

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.