<SEC-DOCUMENT>0001562180-18-000748.txt : 20180213
<SEC-HEADER>0001562180-18-000748.hdr.sgml : 20180213
<ACCEPTANCE-DATETIME>20180213143144
ACCESSION NUMBER:		0001562180-18-000748
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180211
FILED AS OF DATE:		20180213
DATE AS OF CHANGE:		20180213

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Whitney Mary Anne
		CENTRAL INDEX KEY:			0001544202

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34370
		FILM NUMBER:		18602325

	MAIL ADDRESS:	
		STREET 1:		3 WATERWAY SQUARE PLACE
		STREET 2:		SUITE #110
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77380

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Waste Connections, Inc.
		CENTRAL INDEX KEY:			0001318220
		STANDARD INDUSTRIAL CLASSIFICATION:	REFUSE SYSTEMS [4953]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		610 APPLEWOOD CRESCENT
		STREET 2:		SUITE 200
		CITY:			VAUGHAN
		STATE:			A6
		ZIP:			L4K 0C3
		BUSINESS PHONE:		(905) 532-7510

	MAIL ADDRESS:	
		STREET 1:		610 APPLEWOOD CRESCENT
		STREET 2:		SUITE 200
		CITY:			VAUGHAN
		STATE:			A6
		ZIP:			L4K 0C3

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Progressive Waste Solutions Ltd.
		DATE OF NAME CHANGE:	20110503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IESI-BFC Ltd
		DATE OF NAME CHANGE:	20090522

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BFI Canada Ltd
		DATE OF NAME CHANGE:	20081015
</SEC-HEADER>
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<DESCRIPTION>PRIMARY DOCUMENT
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    <schemaVersion>X0306</schemaVersion>

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    <periodOfReport>2018-02-11</periodOfReport>

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        <issuerCik>0001318220</issuerCik>
        <issuerName>Waste Connections, Inc.</issuerName>
        <issuerTradingSymbol>WCN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001544202</rptOwnerCik>
            <rptOwnerName>Whitney Mary Anne</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3 WATERWAY SQUARE PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 110</rptOwnerStreet2>
            <rptOwnerCity>THE WOODLANDS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77380</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Sr Vice President - Finance</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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                <value>Common Shares</value>
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                    <value>1795.00</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>780.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>66.76</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>32257.00</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
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            <transactionDate>
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                </transactionShares>
                <transactionPricePerShare>
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            <transactionDate>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
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                    <value>875.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>67.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
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        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Share Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.00</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-02-11</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1795.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1795.00</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3589.00</value>
                </sharesOwnedFollowingTransaction>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
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            <securityTitle>
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            </securityTitle>
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                <value>2018-02-12</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2238.00</value>
                </transactionShares>
                <transactionPricePerShare>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2238.00</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2239.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.</footnote>
        <footnote id="F2">Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 11, 2016 and have a vesting schedule of 25% per year over a four-year period. The common shares are reported on Table 1.</footnote>
        <footnote id="F3">Represents the conversion upon vesting of restricted share units into common shares of the Issuer.  The restricted share units were awarded on February 12, 2015 and have a vesting schedule of 25% per year over a four-year period.  The common shares are reported in Table 1.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Mary Anne Whitney</signatureName>
        <signatureDate>2018-02-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SEC-DOCUMENT>
