<SUBMISSION>
<ACCESSION-NUMBER>0000823768-07-000160
<TYPE>3/A
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20070701
<FILING-DATE>20070711
<DATE-OF-FILING-DATE-CHANGE>20070711
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>WASTE MANAGEMENT INC
<CIK>0000823768
<ASSIGNED-SIC>4953
<IRS-NUMBER>731309529
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>1001 FANNIN STREET
<STREET2>STE 4000
<CITY>HOUSTON
<STATE>TX
<ZIP>77002
<PHONE>7135126200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1001 FANNIN STREET
<STREET2>SUITE 4000
<CITY>HOUSTON
<STATE>TX
<ZIP>77002
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>USA WASTE SERVICES INC
<DATE-CHANGED>19920703
</FORMER-COMPANY>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Frazier Brett W
<CIK>0001403576
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>3/A
<ACT>34
<FILE-NUMBER>001-12154
<FILM-NUMBER>07973624
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>713-512-6200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1001 FANNIN STREET, SUITE 4000
<CITY>HOUSTON
<STATE>TX
<ZIP>77002
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>doc3a.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2007-07-01</periodOfReport>

    <dateOfOriginalSubmission>2007-07-01</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000823768</issuerCik>
        <issuerName>WASTE MANAGEMENT INC</issuerName>
        <issuerTradingSymbol>WMI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001403576</rptOwnerCik>
            <rptOwnerName>Frazier Brett W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1001 FANNIN</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 4000</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</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>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5809.1597</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Form 3 amended to include 217.506 shares, acquired under the Waste Management, Inc. Employee Stock Purchase Plan on 6/29/07, in s
ecurities beneficially owned.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Linda J. Smith, attorney-in-fact</signatureName>
        <signatureDate>2007-07-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
