UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): May 20, 2008 SouthWest Water Company (Exact Name of Registrant as Specified in its Charter) Delaware 000-8176 95-1840947 (State or other (Commission File Number) (I.R.S. Employer jurisdiction of Identification Number) incorporation or organization One Wilshire Building 624 South Grand Avenue, Suite 2900 Los Angeles, CA 90017-3782 (Address of principal executive offices) Registrant's telephone number, including area code (213) 929-1800 None (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 (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 240.14a-12) |_| Pre-commencement communications pursuant to Rule 14-d(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)) Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change In Fiscal Year Amendments to the Restated Certificate of Incorporation (the "Certificate of Incorporation") and Amended and Restated Bylaws (the "Bylaws") of SouthWest Water Company (the "Company") were approved by the Company's Board of Directors ("Board") on January 29, 2008 and by the Company's stockholders at the annual stockholder meeting on May 20, 2008. The amendments to the Certificate of Incorporation were effective upon filing of a Certificate of Amendment of the Restated Certificate of Incorporation (the "Amended Certificate") with the Delaware Secretary of State on May 20, 2008. The changes to the Certificate of Incorporation and the Bylaws declassify the Company's Board of Directors. The changes to the Bylaws were approved by way of Amendment No. 5 to the Amended and Restated Bylaws (the "Amended Bylaws") and became effective upon the effectiveness of the Amended Certificate. The Board of Directors declassification will phase in over the next three annual stockholder meetings (including the 2008 annual stockholder meeting), with the first full election of the entire Board of Directors in 2010. The Amended Certificate and the Amended Bylaws are attached hereto as Exhibits 3.1 and 3.2 respectively. The description of these documents and applicable changes does not purport to be complete and is qualified by reference to the full text of the attached Amended Certificate and Amended Bylaws. Item 9.01 Financial Statements and Exhibits Exhibit Number Exhibit - -------------- ------- 3.1 Certificate of Amendment to Restated Certificate of Incorporation of SouthWest Water Company. 3.2 Amendment No. 5 to the Amended and Restated Bylaws of SouthWest Water Company. 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 SOUTHWEST WATER COMPANY Date: May 23, 2008 By: /s/William K. Dix ----------------------------- Name: William K. Dix Its: Vice President General Counsel & Secretary