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                                  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): August 1, 2006

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                          MUELLER WATER PRODUCTS, INC.
             (Exact Name of Registrant as Specified in Its Charter)

            Delaware                   001-32892               20-3547095
(State or Other Jurisdiction of       (Commission           (I.R.S. Employer
 Incorporation or Organization)       File Number)       Identification Number)

                           4211 W. Boy Scout Boulevard
                                 Tampa, FL 33607
                    (Address of Principal Executive Offices)

                                 (813) 871-4811
              (Registrant's telephone number, including area code)

                                 Not Applicable.
          (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:


[ ]  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 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))

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ITEM 2.02.   RESULTS OF OPERATIONS AND FINANCIAL CONDITION

     On August 1, 2006, Mueller Water Products, Inc. (the "Company") announced
its results of operations for the quarter ended June 30, 2006 and provided
guidance with regard to expected Company earnings for fiscal year 2006. A copy
of the press release is attached hereto as Exhibit 99.1.

     The information provided pursuant to this Item 2.02, including Exhibit 99.1
in Item 9.01, is "furnished" and shall not be deemed to be "filed" with the
Securities and Exchange Commission or incorporated by reference in any filing
under the Securities Exchange Act of 1934, as amended or the Securities Act of
1933, as amended, except as shall be expressly set forth by specific reference
in any such filings.

ITEM 9.01.   FINANCIAL STATEMENTS AND EXHIBITS.

 (d)  EXHIBITS.

 99.1        August 1, 2006, Mueller Water Products Announces Fiscal Third
             Quarter 2006 Results



                                   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.

                                                    MUELLER WATER PRODUCTS, INC.


                                                    By: /s/ JEFFERY W. SPRICK
                                                        ------------------------
                                                        Jeffery W. Sprick
                                                        Chief Financial Officer
Date:  August 1, 2006