<SEC-DOCUMENT>0001209191-21-031852.txt : 20210511
<SEC-HEADER>0001209191-21-031852.hdr.sgml : 20210511
<ACCEPTANCE-DATETIME>20210511185458
ACCESSION NUMBER:		0001209191-21-031852
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210507
FILED AS OF DATE:		20210511
DATE AS OF CHANGE:		20210511

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Pine Matthew Francis
		CENTRAL INDEX KEY:			0001807057

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35229
		FILM NUMBER:		21912905

	MAIL ADDRESS:	
		STREET 1:		XYLEM INC.
		STREET 2:		1 INTERNATIONAL DRIVE
		CITY:			RYE BROOK
		STATE:			NY
		ZIP:			10573

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:		914-323-5700

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-05-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001807057</rptOwnerCik>
            <rptOwnerName>Pine Matthew Francis</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>Senior Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-05-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5972</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>119.34</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>47858</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                    <value>D</value>
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            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3604</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>63.55</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>51462</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2021-05-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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                <transactionShares>
                    <value>3604</value>
                    <footnoteId id="F2"/>
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                <transactionPricePerShare>
                    <value>118.874</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>47858</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2021-05-07</value>
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                <transactionShares>
                    <value>1034</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>118.777</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>46824</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>63.55</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-05-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3604</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-02-27</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3604</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18239</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
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                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects the withholding of common stock to pay the tax liability incident to the vesting of restricted stock units granted on May 7, 2020 under the Xylem 2011 Omnibus Incentive Plan</footnote>
        <footnote id="F2">The sale was made pursuant to a 10b5-1 plan adopted by the reporting person on March 15, 2021.</footnote>
        <footnote id="F3">This price represents the weighted average price per share of common stock (each, a &quot;Share&quot;) of Xylem Inc. (the &quot;Issuer&quot;). 1,583 Shares were executed at a range of prices from $118.05 to $118.67. 2,021 shares were executed at a range of prices from $119.06 to $119.45. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of Shares sold at each price.</footnote>
        <footnote id="F4">This price represents the weighted average price per share of common stock (each, a &quot;Share&quot;) of Xylem Inc. (the &quot;Issuer&quot;). 505 Shares were executed at a range of prices from $117.99 to $118.46. 529 shares were executed at a range of prices from $119.11 to $119.33. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of Shares sold at each price.</footnote>
        <footnote id="F5">The May 7, 2020 stock option grant is scheduled to vest in one third increments on February 27, 2021, February 27, 2022 and February 27, 2023</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kimberly Rehm, by power of attorney for Matthew F. Pine</signatureName>
        <signatureDate>2021-05-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
