-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 R9uFE8jsEfd6fgh1Aq6XXVJLY6AuXuB+aanSBbW+zczWG1ciFFjdZCJKr1G+br33
 1meWpI6Zz37GubjQdhrEvw==

<SEC-DOCUMENT>0001057058-07-000042.txt : 20070409
<SEC-HEADER>0001057058-07-000042.hdr.sgml : 20070409
<ACCEPTANCE-DATETIME>20070409124340
ACCESSION NUMBER:		0001057058-07-000042
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070404
FILED AS OF DATE:		20070409
DATE AS OF CHANGE:		20070409

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WASTE CONNECTIONS INC/DE
		CENTRAL INDEX KEY:			0001057058
		STANDARD INDUSTRIAL CLASSIFICATION:	REFUSE SYSTEMS [4953]
		IRS NUMBER:				943283464
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		35 IRON POINT CIRCLE
		STREET 2:		SUITE 200
		CITY:			FOLSOM
		STATE:			CA
		ZIP:			95630
		BUSINESS PHONE:		9166088200

	MAIL ADDRESS:	
		STREET 1:		35 IRON POINT CIRCLE
		STREET 2:		SUITE 200
		CITY:			FOLSOM
		STATE:			CA
		ZIP:			95630-3155

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DUPREAU EUGENE V
		CENTRAL INDEX KEY:			0001064310

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31507
		FILM NUMBER:		07755489

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		9167722221

	MAIL ADDRESS:	
		STREET 1:		C/O WASTE CONNECTIONS INC
		STREET 2:		2260 DOUGLAS BLVD SUITE 280
		CITY:			ROSEVILLE
		STATE:			CA
		ZIP:			95661
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-04-04</periodOfReport>

    <issuer>
        <issuerCik>0001057058</issuerCik>
        <issuerName>WASTE CONNECTIONS INC/DE</issuerName>
        <issuerTradingSymbol>WCN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001064310</rptOwnerCik>
            <rptOwnerName>DUPREAU EUGENE V</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>35 IRON POINT CIRCLE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>FOLSOM</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95630</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</value>
            </securityTitle>
            <transactionDate>
                <value>2007-04-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>22500</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>30.67</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>137428</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Sold pursuant to a 10b5-1 plan</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Eugene Dupreau</signatureName>
        <signatureDate>2007-04-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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