<SEC-DOCUMENT>0001209191-15-022418.txt : 20150304
<SEC-HEADER>0001209191-15-022418.hdr.sgml : 20150304
<ACCEPTANCE-DATETIME>20150304174531
ACCESSION NUMBER:		0001209191-15-022418
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150302
FILED AS OF DATE:		20150304
DATE AS OF CHANGE:		20150304

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Xylem Inc.
		CENTRAL INDEX KEY:			0001524472
		STANDARD INDUSTRIAL CLASSIFICATION:	PUMPS & PUMPING EQUIPMENT [3561]
		IRS NUMBER:				452080495
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 INTERNATIONAL DRIVE
		CITY:			RYE BROOK
		STATE:			NY
		ZIP:			10573
		BUSINESS PHONE:		914-304-1700

	MAIL ADDRESS:	
		STREET 1:		1 INTERNATIONAL DRIVE
		CITY:			RYE BROOK
		STATE:			NY
		ZIP:			10573

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ITT WCO, Inc.
		DATE OF NAME CHANGE:	20110628

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mingle Robyn T
		CENTRAL INDEX KEY:			0001531828

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35229
		FILM NUMBER:		15674695

	MAIL ADDRESS:	
		STREET 1:		XYLEM INC.
		STREET 2:		1133 WESTCHESTER AVENUE, SUITE N200
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10604
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-03-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001524472</issuerCik>
        <issuerName>Xylem Inc.</issuerName>
        <issuerTradingSymbol>XYL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001531828</rptOwnerCik>
            <rptOwnerName>Mingle Robyn T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 INTERNATIONAL DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>C/O XYLEM INC.</rptOwnerStreet2>
            <rptOwnerCity>RYE BROOK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10573</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP &amp; Chief HR Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-03-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2954</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>36.17</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16933</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects the withholding of shares of Common Stock to pay the tax liability incident to the vesting of shares of restricted stock granted on March 2, 2012 under the Xylem 2011 Omnibus Incentive Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Hannah Skeete, by power of attorney for Robyn T. Mingle</signatureName>
        <signatureDate>2015-03-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
