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) October 7, 2005


                          AMERICAN STATES WATER COMPANY
             (Exact name of registrant as specified in its charter)


          California                     001-14431               95-4676679
(State or other jurisdiction of   (Commission File Number)    (I.R.S. Employer 
 incorporation or organization)                              Identification No.)

     630 East Foothill Blvd.
     San Dimas, California                                         91773
 (Address of principal executive offices)                       (Zip Code)
               

       Registrant's telephone number, including area code: (909) 394-3600

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     Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing requirement of the registrant under any of the
following provisions (see General Instruction A.2 below):

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

     |_| Soliciting material pursuant to Rule 14a-12 under the exchange Act (17
         CFR 14a-12)

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

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








                            Section 7 - Regulation FD


Item 7.01.    Regulation FD Disclosure

On October 7, 2005  American  States Water  Company  announced  that the Arizona
Corporation Commission ("ACC") approved a rate increase for Chaparral City Water
Company ("CCWC"),  a subsidiary of American States Water Company in Arizona. The
rate  increase  was  effective  on October 1, 2005 and is  expected  to generate
additional  annual  revenues  of $1.1  million,  an 18%  increase  over  current
revenues.  A copy of the Company's  press release is attached  hereto as Exhibit
99.1.

This Form 8-K and the attached exhibit are furnished to, but not filed with, the
Securities and Exchange Commission.


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                  Section 9 - Financial Statement and Exhibits

Item 9.01.    Financial Statements and Exhibits

Exhibit No.     Description
-----------     -----------
99.1            Press Release: American States Water Company Announces Approval 
                by ACC of Increase in Rates

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                                   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.


                                           AMERICAN STATES WATER COMPANY

Date: October 7, 2005                          /s/ Robert J. Sprowls
                                    --------------------------------------------
                                                  Robert J. Sprowls
                                    Sr. Vice President, Chief Financial Officer,
                                          Treasurer and Corporate Secretary


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