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  <xsd:element id="wcn_NumberOfOwnedLandfillsCompanyIsSeekingToExpand" name="NumberOfOwnedLandfillsCompanyIsSeekingToExpand" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="wcn_ExplorationAndProductionWasteTreatmentRecoveryAndDisposalMember" name="ExplorationAndProductionWasteTreatmentRecoveryAndDisposalMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_ImpairmentsAndOtherOperatingCharges" name="ImpairmentsAndOtherOperatingCharges" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="wcn_DeferredCompensationPlanMember" name="DeferredCompensationPlanMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_NumberOfLandfillsOwnedAndOperatedByCompany" name="NumberOfLandfillsOwnedAndOperatedByCompany" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="wcn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityInterestAccretionExpense" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityInterestAccretionExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="wcn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationRecordedAtAcquisitionDate" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationRecordedAtAcquisitionDate" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="wcn_ProgressiveWasteSolutionsLtd.Member" name="ProgressiveWasteSolutionsLtd.Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_NotesPayableToSellersAndOtherThirdPartiesMember" name="NotesPayableToSellersAndOtherThirdPartiesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_SouthernMember" name="SouthernMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_CanadaMember" name="CanadaMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_BusinessCombinationProvisionalInformationInitialAccountingIncompleteNumberOfAcquisitions" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteNumberOfAcquisitions" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="wcn_CanadianPrimeRateMember" name="CanadianPrimeRateMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="true" />
  <xsd:element id="wcn_PermitsAndOtherMember" name="PermitsAndOtherMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_DailyRepurchaseOfSharesMaximum" name="DailyRepurchaseOfSharesMaximum" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="wcn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_TaxWithholdingsRelatedToNetShareSettlementsOfEquityBasedCompensationValue" name="TaxWithholdingsRelatedToNetShareSettlementsOfEquityBasedCompensationValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="wcn_AnnualTonsOfWasteAcceptedAtLandfill" name="AnnualTonsOfWasteAcceptedAtLandfill" nillable="true" type="dtr-types:massItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="wcn_ChiquitaCanyonLlcMember" name="ChiquitaCanyonLlcMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_ForeignCurrencyTranslationAdjustmentMember" name="ForeignCurrencyTranslationAdjustmentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_TaxWithholdingsRelatedToNetShareSettlementsOfEquityBasedCompensationShares" name="TaxWithholdingsRelatedToNetShareSettlementsOfEquityBasedCompensationShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="wcn_EstimateOfTotalNewFeesAndOtherNewTaxesOverLifeOfConditionalUsePermit" name="EstimateOfTotalNewFeesAndOtherNewTaxesOverLifeOfConditionalUsePermit" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="wcn_DeferredShareUnitsMember" name="DeferredShareUnitsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_EstimatedLifeOfRelevantCustomerRelationship" name="EstimatedLifeOfRelevantCustomerRelationship" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="wcn_CommercialMember" name="CommercialMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_ResidentialMember" name="ResidentialMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_IndustrialAndConstructionRollOffMember" name="IndustrialAndConstructionRollOffMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_TransferMember" name="TransferMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_NotesTwoThousandTwentyEightMember" name="NotesTwoThousandTwentyEightMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_ExerciseOfWarrantsShares" name="ExerciseOfWarrantsShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="wcn_DescriptionOfVariableRateBasis" name="DescriptionOfVariableRateBasis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="wcn_GoodwillAcquiredNet" name="GoodwillAcquiredNet" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="wcn_NotesTwoThousandTwentyNineMember" name="NotesTwoThousandTwentyNineMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_AllowanceForDoubtfulAccountsReceivableImpactOfChangesInForeignCurrency" name="AllowanceForDoubtfulAccountsReceivableImpactOfChangesInForeignCurrency" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="wcn_FiniteLivedIntangibleAssetsAmortizationExpenseCurrentFiscalYear" name="FiniteLivedIntangibleAssetsAmortizationExpenseCurrentFiscalYear" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="wcn_EmployeeSharePurchasePlanTwoThousandTwentyMember" name="EmployeeSharePurchasePlanTwoThousandTwentyMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_ShareBasedCompensationArrangementByShareBasedPaymentAwardMinimumEmployeeSubscriptionRate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMinimumEmployeeSubscriptionRate" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="wcn_NotesTwoThousandThirtyMember" name="NotesTwoThousandThirtyMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="wcn_FinanceLeasesInterestRate" name="FinanceLeasesInterestRate" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="wcn_ThresholdUsedForDisclosingEnvironmentalMattersInvolvingPotentialMonetarySanctions" name="ThresholdUsedForDisclosingEnvironmentalMattersInvolvingPotentialMonetarySanctions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="wcn_PercentageOfProjectedAnnualDisposalVolumeFromLandfillsWithRemainingLivesWithinThresholdPeriod" name="PercentageOfProjectedAnnualDisposalVolumeFromLandfillsWithRemainingLivesWithinThresholdPeriod" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="wcn_ThresholdPeriodUsedForMeasurementOfProjectedAnnualDisposalVolumeFromLandfills" name="ThresholdPeriodUsedForMeasurementOfProjectedAnnualDisposalVolumeFromLandfills" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets" id="wcn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LongTermFranchiseAgreementsAndContractsMember" id="wcn_LongTermFranchiseAgreementsAndContractsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentPortionOfOperatingLeaseLiabilities" id="wcn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentPortionOfOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermPortionOfOperatingLeaseLiabilities" id="wcn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermPortionOfOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NotesTwoThousandThirtyTwoMember" id="wcn_NotesTwoThousandThirtyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewNotesTwoThousandThirtyTwoMember" id="wcn_NewNotesTwoThousandThirtyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element id="wcn_MaximumPercentageOfDailySharesRepurchaseOfAverageDailyTradingVolume" name="MaximumPercentageOfDailySharesRepurchaseOfAverageDailyTradingVolume" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictedStockUnitsTable" id="wcn_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictedStockUnitsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictedStockUnitsLineItems" id="wcn_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictedStockUnitsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract" id="wcn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubsequentEventDividendDeclared" id="wcn_SubsequentEventDividendDeclared" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NotesTwoThousandThirtyThreeMember" id="wcn_NotesTwoThousandThirtyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfAssetRetirementObligationTable" id="wcn_ScheduleOfAssetRetirementObligationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AssetRetirementObligationLineItems" id="wcn_AssetRetirementObligationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareholdersEquityAnnualTableTextBlockElements" id="wcn_ShareholdersEquityAnnualTableTextBlockElements" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NotesTwoThousandFiftyMember" id="wcn_NotesTwoThousandFiftyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NotesTwoThousandFiftyTwoMember" id="wcn_NotesTwoThousandFiftyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AccumulatedImpairmentOfIntangibleAssetsFiniteLivedExcludingGoodwill" id="wcn_AccumulatedImpairmentOfIntangibleAssetsFiniteLivedExcludingGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AccumulatedImpairmentOfIntangibleAssetsExcludingGoodwill" id="wcn_AccumulatedImpairmentOfIntangibleAssetsExcludingGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MidSouthMember" id="wcn_MidSouthMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SolidWasteMember" id="wcn_SolidWasteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdjustmentToClosurePostClosureLiabilities" id="wcn_AdjustmentToClosurePostClosureLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NotesTwoThousandThirtyFourMember" id="wcn_NotesTwoThousandThirtyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CanadianOvernightRepoRateAverageMember" id="wcn_CanadianOvernightRepoRateAverageMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RevolvingCreditAgreementMember" id="wcn_RevolvingCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DurationAxis" id="wcn_DurationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TimeFrameDomain" id="wcn_TimeFrameDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FacilitiesOtherThanRevolvingCreditAgreementMember" id="wcn_FacilitiesOtherThanRevolvingCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewNotesTwoThousandTwentyNineMember" id="wcn_NewNotesTwoThousandTwentyNineMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSharesSettledInPeriod" id="wcn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSharesSettledInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="JeffersonParishLouisianaLandfillLitigationMember" id="wcn_JeffersonParishLouisianaLandfillLitigationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustment" id="wcn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SegmentReportingInformationSegmentExpenses" id="wcn_SegmentReportingInformationSegmentExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SegmentReportingInformationEarningsBeforeInterestTaxesDepreciationAndAmortizationMargin" id="wcn_SegmentReportingInformationEarningsBeforeInterestTaxesDepreciationAndAmortizationMargin" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NotesTwoThousandThirtyFiveMember" id="wcn_NotesTwoThousandThirtyFiveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MaximumDamagesPerPlaintiffSoughtValue" id="wcn_MaximumDamagesPerPlaintiffSoughtValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CountyOfLosAngelesLitigationMember" id="wcn_CountyOfLosAngelesLitigationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AbatementFundAmountSought" id="wcn_AbatementFundAmountSought" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NotesTwoThousandThirtySixMember" id="wcn_NotesTwoThousandThirtySixMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TwoThousandTwentySixPerformanceBasedRestrictedShareUnitsPlanOneMember" id="wcn_TwoThousandTwentySixPerformanceBasedRestrictedShareUnitsPlanOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="O2026Q3DividendsMember" id="wcn_O2026Q3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherMember" id="wcn_OtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaymentsToAcquireUndevelopedLand" id="wcn_PaymentsToAcquireUndevelopedLand" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
</xsd:schema>
