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): March 16, 2004

                             Southwest Water Company
             (Exact name of registrant as specified in its charter)

             Delaware                    0-8176                95-1840947
   (State or other jurisdiction        (Commission            (IRS Employer
        of incorporation)             File Number)         Identification No.)

                              One Wilshire Building
             624 S. Grand Avenue, Los Angeles, CA 90017, Suite 2900
               (Address of principal executive offices) (Zip Code)

                           (213) 929-1800 Registrant's
                     telephone number, including area code:








ITEM 7.  Financial Statements, Pro Forma Financial Information and Exhibits.

(c)      Exhibits
         --------

99.1     Press release issued by Southwest Water Company on March 16, 2004.

Item 12. Disclosure of Results of Operations and Financial Condition.

On March 16, 2004 Southwest Water Company filed a press release announcing its
results of operations and financial condition for the year and the quarter ended
December 31, 2003. The full text of the press release is attached hereto as
Exhibit 99.1 and is incorporated herein by reference. In accordance with SEC
Release No. 33-8176, the information contained in such press release shall not
be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of
1934, as amended, nor shall it be deemed incorporated herein 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.











                                   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: March 16, 2004         /s/ Richard J. Shields
      --------------         ---------------------------------------------------
                             Richard J Shields, Chief Financial Officer
                             (principal financial officer and chief accounting
                              officer)