-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 D4D1CHyo4k/Csm6wgGIS4ZPp2jeO9lYnUqmff4AkXFzEDAP4drwCT0WvLYdupTzY
 kxikQOXWsshbxzZpTGMTsw==

<SEC-DOCUMENT>0001209191-06-033797.txt : 20060601
<SEC-HEADER>0001209191-06-033797.hdr.sgml : 20060601
<ACCEPTANCE-DATETIME>20060601112148
ACCESSION NUMBER:		0001209191-06-033797
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060531
FILED AS OF DATE:		20060601
DATE AS OF CHANGE:		20060601

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COVANTA HOLDING CORP
		CENTRAL INDEX KEY:			0000225648
		STANDARD INDUSTRIAL CLASSIFICATION:	COGENERATION SERVICES & SMALL POWER PRODUCERS [4991]
		IRS NUMBER:				956021257
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		40 LANE ROAD
		CITY:			FAIRFIELD
		STATE:			NJ
		ZIP:			07004
		BUSINESS PHONE:		973-882-9000

	MAIL ADDRESS:	
		STREET 1:		40 LANE ROAD
		CITY:			FAIRFIELD
		STATE:			NJ
		ZIP:			07004

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DANIELSON HOLDING CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MISSION INSURANCE GROUP INC
		DATE OF NAME CHANGE:	19900826

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MISSION EQUITIES CORP
		DATE OF NAME CHANGE:	19770921

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PATE WILLIAM
		CENTRAL INDEX KEY:			0001180447

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06732
		FILM NUMBER:		06878965

	BUSINESS ADDRESS:	
		STREET 1:		C/O EQUITY GROUP INVESTMENTS
		STREET 2:		2 NORTH RIVERSIDE PLAZA
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c05704_01wsp.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-05-31</periodOfReport>

    <issuer>
        <issuerCik>0000225648</issuerCik>
        <issuerName>COVANTA HOLDING CORP</issuerName>
        <issuerTradingSymbol>CVA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001180447</rptOwnerCik>
            <rptOwnerName>PATE WILLIAM</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TWO NORTH RIVERSIDE PLAZA, SUITE 600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60606</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.10 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2006-05-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>351227</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <ownerSignature>
        <signatureName>/s/ William C. Pate</signatureName>
        <signatureDate>2006-05-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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