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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001382211-07-000063.txt : 20071204
<SEC-HEADER>0001382211-07-000063.hdr.sgml : 20071204
<ACCEPTANCE-DATETIME>20071204104639
ACCESSION NUMBER:		0001382211-07-000063
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20071129
FILED AS OF DATE:		20071204
DATE AS OF CHANGE:		20071204

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mueller Water Products, Inc.
		CENTRAL INDEX KEY:			0001350593
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS FABRICATED METAL PRODUCTS [3490]
		IRS NUMBER:				203547095
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0525

	BUSINESS ADDRESS:	
		STREET 1:		1200 ABERNATHY RD
		STREET 2:		SUITE 1200
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30328
		BUSINESS PHONE:		770-206-4200

	MAIL ADDRESS:	
		STREET 1:		1200 ABERNATHY RD
		STREET 2:		SUITE 1200
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30328

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Mueller Holding Company, Inc.
		DATE OF NAME CHANGE:	20060123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HART EVAN
		CENTRAL INDEX KEY:			0001420113

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32892
		FILM NUMBER:		071282426

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		770-206-4000

	MAIL ADDRESS:	
		STREET 1:		1200 ABERNATHY RD
		STREET 2:		SUITE 1200
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30328
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-11-29</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001350593</issuerCik>
        <issuerName>Mueller Water Products, Inc.</issuerName>
        <issuerTradingSymbol>MWA, MWA.B</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001420113</rptOwnerCik>
            <rptOwnerName>HART EVAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1200 ABERNATHY RD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1200</rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30328</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Series A Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4228.8114</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-11-29</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Series A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2384</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit was granted under the Mueller Water Products, Inc. 2006 Stock Incentive Plan, and represents a contingent right to receive one share of Mueller Water Products, Inc. Series A Common Stock.</footnote>
        <footnote id="F2">Includes 1421.8114 shares acquired under the Mueller Water Products, Inc. Employee Stock Purchase Plan.</footnote>
        <footnote id="F3">The stock options will vest in three (3) equal, annual installments beginning on November 29, 2007.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Stacey K. Geer, as Attorney-in-Fact for Evan L. Hart</signatureName>
        <signatureDate>2007-12-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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