<SEC-DOCUMENT>0001209191-11-051999.txt : 20111018
<SEC-HEADER>0001209191-11-051999.hdr.sgml : 20111018
<ACCEPTANCE-DATETIME>20111018172125
ACCESSION NUMBER:		0001209191-11-051999
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20111017
FILED AS OF DATE:		20111018
DATE AS OF CHANGE:		20111018

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:		1133 WESTCHESTER AVENUE
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10604
		BUSINESS PHONE:		914-304-1700

	MAIL ADDRESS:	
		STREET 1:		1133 WESTCHESTER AVENUE
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10604

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ITT Corp
		CENTRAL INDEX KEY:			0000216228
		STANDARD INDUSTRIAL CLASSIFICATION:	PUMPS & PUMPING EQUIPMENT [3561]
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35229
		FILM NUMBER:		111146404

	BUSINESS ADDRESS:	
		STREET 1:		1133 WESTCHESTER AVENUE
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10604
		BUSINESS PHONE:		914.641.2041

	MAIL ADDRESS:	
		STREET 1:		1133 WESTCHESTER AVENUE
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10604

	FORMER NAME:	
		FORMER CONFORMED NAME:	ITT CORP
		DATE OF NAME CHANGE:	20060705

	FORMER NAME:	
		FORMER CONFORMED NAME:	ITT INDUSTRIES INC
		DATE OF NAME CHANGE:	19951220

	FORMER NAME:	
		FORMER CONFORMED NAME:	ITT CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-10-17</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000216228</rptOwnerCik>
            <rptOwnerName>ITT Corp</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1133 WESTCHESTER AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WHITE PLAINS</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10604</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-10-17</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The record date for the distribution of all of the Xylem Inc. common stock owned by ITT Corporation to the holders of ITT Corporation common stock was October 17, 2011 at the close of business.  The distribution of such common stock is scheduled to occur on October 31, 2011.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Burt M. Fealing, Vice President and Corporate Secretary</signatureName>
        <signatureDate>2011-10-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
