<SEC-DOCUMENT>0001842022-21-000024.txt : 20210706
<SEC-HEADER>0001842022-21-000024.hdr.sgml : 20210706
<ACCEPTANCE-DATETIME>20210706104825
ACCESSION NUMBER:		0001842022-21-000024
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210701
FILED AS OF DATE:		20210706
DATE AS OF CHANGE:		20210706

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tumminello Peter I
		CENTRAL INDEX KEY:			0001491158

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40392
		FILM NUMBER:		211072862

	MAIL ADDRESS:	
		STREET 1:		TEN PEACHTREE PLACE
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30309

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DT Midstream, Inc.
		CENTRAL INDEX KEY:			0001842022
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
		IRS NUMBER:				382663964
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE ENERGY PLAZA
		CITY:			DETROIT
		STATE:			MI
		ZIP:			48226-1279
		BUSINESS PHONE:		313-235-4000

	MAIL ADDRESS:	
		STREET 1:		ONE ENERGY PLAZA
		CITY:			DETROIT
		STATE:			MI
		ZIP:			48226-1279
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_162558289393357.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-07-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001842022</issuerCik>
        <issuerName>DT Midstream, Inc.</issuerName>
        <issuerTradingSymbol>DTM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001491158</rptOwnerCik>
            <rptOwnerName>Tumminello Peter I</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE ENERGY PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DETROIT</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48226</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Timothy E. Kraepel, Attorney-in-Fact</signatureName>
        <signatureDate>2021-07-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>edgarpoa_tumminello.htm
<DESCRIPTION>P TUMMINELLO POWER OF ATTORNEY
<TEXT>
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<pre>
STATE OF MICHIGAN)
                 )SS
COUNTY OF WAYNE  )

    KNOW ALL BY THESE PRESENT that I, Peter Tumminello, do hereby constitute and appoint Wendy Ellis, Christine E. Kaliszuk, Andrew T. Hayner, Anthony M. Tocco, Timothy E. Kraepel and Daniel T. Richards, and each of them, my true and lawful Attorneys-in-Fact with full power of substitution to execute and file on my behalf with the Securities and Exchange Commission any and all reports, including without limiting the generality of the foregoing, reports on Securities and Exchange Commission Forms 3, 4 and 5 and 144, that may be required or advisable in connection with my holdings in and transactions related to securities of DT Midstream, Inc.

    This Power of Attorney is in full force and effect until revoked by the undersigned in a signed writing delivered to such attorney-in-fact.


    IN WITNESS THEREOF, I have hereto set my hand this 17th day of June 2021.



                    /s/Peter Tumminello
                    Peter Tumminello
                    Director
                    DT Midstream, Inc.

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