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) April 13, 2006 AMERICAN STATES WATER COMPANY (Exact name of registrant as specified in its charter) California 001-14431 95-4676679 (State or other jurisdiction of (Commission (I.R.S. Employer incorporation or organization) File Number) Identification No.) 630 East Foothill Blvd. San Dimas, California 91773 (Address of principal executive (Zip Code) offices) Registrant's telephone number, including area code: (909) 394-3600 -------------------------------------------------------------------------------- GOLDEN STATE WATER COMPANY (Exact name of registrant as specified in its charter) California 001-12008 95-1243678 (State or other jurisdiction of (Commission (I.R.S. Employer incorporation or organization) File Number) Identification No.) 630 East Foothill Blvd. San Dimas, California 91773 (Address of principal executive (Zip Code) offices) Registrant's telephone number, including area code: (909) 394-3600 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 American States Water Company announces the final decision by the California Public Utilities Commission on April 13, 2006 to approve the permanent lease of 5,000 acre feet of water rights to the City of Folsom by AWR's primary subsidiary, Golden State Water Company. This Form 8-K and the attached exhibit are filed with the Securities and Exchange Commission. -------------------------------------------------------------------------------- Section 9 - Financial Statement and Exhibits Item 9.01. Financial Statements and Exhibits Exhibit No. Description ----------- ----------- 99.1 Press Release announcing Decision Regarding Ratemaking Treatment for Revenues Resulting from the Lease of Water Rights --------------------------------------------------------------------------------