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        <link:definition>11101 - Disclosure - Income taxes</link:definition>
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        <link:definition>11501 - Disclosure - Cost of revenues and general and administrative expenses</link:definition>
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  <xsd:element id="cwco_AerexIndustriesIncMember" name="AerexIndustriesIncMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DepositsHeldInForeignBank" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="cwco_DepositsHeldInForeignBank" substitutionGroup="xbrli:item" xbrli:balance="debit" />
  <xsd:element name="BulkMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_BulkMember" substitutionGroup="xbrli:item" />
  <xsd:element name="ServicesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_ServicesMember" substitutionGroup="xbrli:item" />
  <xsd:element name="ManufacturingUnitsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_ManufacturingUnitsMember" substitutionGroup="xbrli:item" />
  <xsd:element id="cwco_IncomeLossFromEquityMethodInvestmentsAndSubsidiaries" name="IncomeLossFromEquityMethodInvestmentsAndSubsidiaries" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element name="AgreementAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_AgreementAxis" substitutionGroup="xbrldt:dimensionItem" />
  <xsd:element name="AgreementDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_AgreementDomain" substitutionGroup="xbrli:item" />
  <xsd:element name="PlantAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_PlantAxis" substitutionGroup="xbrldt:dimensionItem" />
  <xsd:element name="PlantDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_PlantDomain" substitutionGroup="xbrli:item" />
  <xsd:element name="NSCAguaMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_NSCAguaMember" substitutionGroup="xbrli:item" />
  <xsd:element name="TypeOfPhasesAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_TypeOfPhasesAxis" substitutionGroup="xbrldt:dimensionItem" />
  <xsd:element name="TypeOfPhasesDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_TypeOfPhasesDomain" substitutionGroup="xbrli:item" />
  <xsd:element name="FirstPhaseMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_FirstPhaseMember" substitutionGroup="xbrli:item" />
  <xsd:element name="SecondPhaseMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_SecondPhaseMember" substitutionGroup="xbrli:item" />
  <xsd:element name="SeawaterReverseOsmosisDesalinationPlantPerDayProcessingCapacity" type="dtr-types:volumeItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="cwco_SeawaterReverseOsmosisDesalinationPlantPerDayProcessingCapacity" substitutionGroup="xbrli:item" />
  <xsd:element name="AguasDeRosaritoSapiDeCvMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_AguasDeRosaritoSapiDeCvMember" substitutionGroup="xbrli:item" />
  <xsd:element name="OperatingLeaseRightOfUseAssetNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="cwco_OperatingLeaseRightOfUseAssetNet" substitutionGroup="xbrli:item" xbrli:balance="debit" />
  <xsd:element name="OperatingLeaseAssetsCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="cwco_OperatingLeaseAssetsCurrent" substitutionGroup="xbrli:item" xbrli:balance="debit" />
  <xsd:element name="CommitmentsAndContingenciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_CommitmentsAndContingenciesTable" substitutionGroup="xbrldt:hypercubeItem" />
  <xsd:element id="cwco_CommitmentsAndContingenciesLineItems" name="CommitmentsAndContingenciesLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CaymanWaterRetailOperationsPercentageOfGrossProfit" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="cwco_CaymanWaterRetailOperationsPercentageOfGrossProfit" substitutionGroup="xbrli:item" />
  <xsd:element name="CaymanWaterRetailOperationsPercentageOfRevenue" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="cwco_CaymanWaterRetailOperationsPercentageOfRevenue" substitutionGroup="xbrli:item" />
  <xsd:element name="WSCMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cwco_WSCMember" substitutionGroup="xbrli:item" />
  <xsd:element id="cwco_PaymentForLandAndRightOfWayHeldForDevelopment" name="PaymentForLandAndRightOfWayHeldForDevelopment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cwco_AssetsContinuedOperation" name="AssetsContinuedOperation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_DividendsTextBlock" name="DividendsTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_CostOfRevenuesAndGeneralAndAdministrativeExpensesAbstract" name="CostOfRevenuesAndGeneralAndAdministrativeExpensesAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_CostOfRevenuesAndGeneralAndAdministrativeExpensesTextBlock" name="CostOfRevenuesAndGeneralAndAdministrativeExpensesTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_OtherAssetsPolicyTextBlock" name="OtherAssetsPolicyTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_ScheduleOfPropertyPlantAndEquipmentUsefulLifeTableTextBlock" name="ScheduleOfPropertyPlantAndEquipmentUsefulLifeTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_CostOfRevenuesAndGeneralAndAdministrativeExpensesTableTextBlock" name="CostOfRevenuesAndGeneralAndAdministrativeExpensesTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_PlantAndEquipmentMember" name="PlantAndEquipmentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_DistributionSystemsMember" name="DistributionSystemsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_LabEquipmentMember" name="LabEquipmentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_FairValueDeterminingMethodAxis" name="FairValueDeterminingMethodAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_FairValueDeterminingMethodDomain" name="FairValueDeterminingMethodDomain" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_DiscountedCashFlowMethodMember" name="DiscountedCashFlowMethodMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_GuidelinePublicCompanyMethodMember" name="GuidelinePublicCompanyMethodMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_EstimatedFairValuePercentageSegmentReportingInformation" name="EstimatedFairValuePercentageSegmentReportingInformation" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_CapitalizedEngineeringLaborAndMaterialsCostMember" name="CapitalizedEngineeringLaborAndMaterialsCostMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_CashAndRestrictedCashEquivalentsHeldInForeignBank" name="CashAndRestrictedCashEquivalentsHeldInForeignBank" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_NumberOfDaysAfterConsumptionBillingsAreCollected" name="NumberOfDaysAfterConsumptionBillingsAreCollected" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_NumberOfDaysAfterConsumptionBillingsAreConsideredPastDue" name="NumberOfDaysAfterConsumptionBillingsAreConsideredPastDue" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_AmountRequiredToReduceAmountOfWaterLostByPublicWaterDistributionSystem" name="AmountRequiredToReduceAmountOfWaterLostByPublicWaterDistributionSystem" nillable="true" type="dtr-types:volumeItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_AccountsReceivableTradeCurrent" name="AccountsReceivableTradeCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_AccountsReceivableOtherCurrent" name="AccountsReceivableOtherCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_WaterStockMember" name="WaterStockMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ConsumablesStockMember" name="ConsumablesStockMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_SparePartsStockMember" name="SparePartsStockMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_CapitalCommitments" name="CapitalCommitments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="cwco_ConstructionInProgressPlacedInService" name="ConstructionInProgressPlacedInService" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cwco_PeriodInWhichConstructionMustBeCompleted" name="PeriodInWhichConstructionMustBeCompleted" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_PeriodRequiredToOperateAndMaintainPlantAndAqueduct" name="PeriodRequiredToOperateAndMaintainPlantAndAqueduct" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_TradeNameMember" name="TradeNameMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeignNotSubjectToIncomeTaxes" name="IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeignNotSubjectToIncomeTaxes" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cwco_EffectiveIncomeTaxRateReconciliationPermanentItems" name="EffectiveIncomeTaxRateReconciliationPermanentItems" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_DeferredTaxAssetsLandBasisDifference" name="DeferredTaxAssetsLandBasisDifference" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_DeferredTaxAssetsStartupCosts" name="DeferredTaxAssetsStartupCosts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_DividendsPerShareDeclared" name="DividendsPerShareDeclared" nillable="true" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_WaterAndSewerageCorporationMember" name="WaterAndSewerageCorporationMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_EntityWideRevenuesMajorCustomerPercentage" name="EntityWideRevenuesMajorCustomerPercentage" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_CostOfRevenuesAndGeneralAndAdministrativeExpensesTable" name="CostOfRevenuesAndGeneralAndAdministrativeExpensesTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_DepreciationMember" name="DepreciationMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_FuelOilMember" name="FuelOilMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_EmployeeCostsMember" name="EmployeeCostsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_CostOfPlantSalesMember" name="CostOfPlantSalesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_RoyaltiesMember" name="RoyaltiesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_InsuranceMember" name="InsuranceMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_CostOfRevenuesAndGeneralAndAdministrativeExpensesLineItems" name="CostOfRevenuesAndGeneralAndAdministrativeExpensesLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ProfessionalsFeeMember" name="ProfessionalsFeeMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_DirectorsFeesAndExpensesMember" name="DirectorsFeesAndExpensesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_AmortizationOfIntangiblesMember" name="AmortizationOfIntangiblesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_OtherCreditDeviceMember" name="OtherCreditDeviceMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_BelowMarketPriceMember" name="BelowMarketPriceMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_AtMarketPriceMember" name="AtMarketPriceMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_AboveMarketPriceMember" name="AboveMarketPriceMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ManagementEmployeesMember" name="ManagementEmployeesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_EmployeesMember" name="EmployeesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_EquityIncentivePlan2008Member" name="EquityIncentivePlan2008Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_CommonStockOptionsMember" name="CommonStockOptionsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_NonExecutiveDirectorsSharePlanMember" name="NonExecutiveDirectorsSharePlanMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_NonperformancebasedGrantsMember" name="NonperformancebasedGrantsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_PerformancebasedGrantsMember" name="PerformancebasedGrantsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ShareBasedCompensationArrangementByShareBasedPaymentAwardMeasurementPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMeasurementPeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedOutstandingWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedOutstandingWeightedAverageRemainingContractualTerm" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_AdditionalConsecutiveIndividualRequisiteServicePeriod" name="AdditionalConsecutiveIndividualRequisiteServicePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_StockholdersEquityNoteConversionRatioPreferredShares" name="StockholdersEquityNoteConversionRatioPreferredShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_StockholdersEquityNoteConversionRatioCommonShares" name="StockholdersEquityNoteConversionRatioCommonShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_NumberOfDaysOfAverageTradingPriceOfCommonStock" name="NumberOfDaysOfAverageTradingPriceOfCommonStock" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_NumberOfDaysEmployeeOptionToPurchasePreferredStockMustBeExercised" name="NumberOfDaysEmployeeOptionToPurchasePreferredStockMustBeExercised" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_ClosingPriceOfCommonShares" name="ClosingPriceOfCommonShares" nillable="true" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_RetirementPlanAxis" name="RetirementPlanAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_RetirementPlanDomain" name="RetirementPlanDomain" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_TermOfForeignExchangeRiskToDollarForCertainCurrencies" name="TermOfForeignExchangeRiskToDollarForCertainCurrencies" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_EmploymentAgreementBaseAnnualSalaries" name="EmploymentAgreementBaseAnnualSalaries" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cwco_SupplementalDisclosureOfCashFlowInformationTable" name="SupplementalDisclosureOfCashFlowInformationTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_SupplementalDisclosureOfCashFlowInformationLineItems" name="SupplementalDisclosureOfCashFlowInformationLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_TransfersBetweenInventoryAndPropertyPlantAndEquipment" name="TransfersBetweenInventoryAndPropertyPlantAndEquipment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cwco_NonCashTransactionsTransfersFromConstructionInProgressToPropertyPlantAndEquipmentNet" name="NonCashTransactionsTransfersFromConstructionInProgressToPropertyPlantAndEquipmentNet" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cwco_CommonStockIssuedDuringPeriodValueIssuedForServices" name="CommonStockIssuedDuringPeriodValueIssuedForServices" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cwco_PercWaterCorporationMember" name="PercWaterCorporationMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ContractWithCustomerInProgressRevenueRecognizedAndAmountsBilledTableTextBlock" name="ContractWithCustomerInProgressRevenueRecognizedAndAmountsBilledTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_ContractWithCustomerInProgressRevenueRecognizedAndAmountsBilledDisclosureTable" name="ContractWithCustomerInProgressRevenueRecognizedAndAmountsBilledDisclosureTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ContractWithCustomerInProgressRevenueRecognizedAndAmountsBilledDisclosureLineItems" name="ContractWithCustomerInProgressRevenueRecognizedAndAmountsBilledDisclosureLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ContractWithCustomerAxis" name="ContractWithCustomerAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ContractWithCustomerDomain" name="ContractWithCustomerDomain" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ContractWithCustomerAmountBilled" name="ContractWithCustomerAmountBilled" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cwco_ContractWithCustomerNetOverbillings" name="ContractWithCustomerNetOverbillings" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cwco_BalanceSheetLocationAbstract" name="BalanceSheetLocationAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="true" />
  <xsd:element id="cwco_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchAxis" name="DefinedContributionPlanEmployerMatchingContributionPercentOfMatchAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchDomain" name="DefinedContributionPlanEmployerMatchingContributionPercentOfMatchDomain" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_DefinedContributionPlanEmployerMatchingContribution25PercentOfMatchMember" name="DefinedContributionPlanEmployerMatchingContribution25PercentOfMatchMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ManagementContractsMember" name="ManagementContractsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_OneCustomerMember" name="OneCustomerMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_ScheduleOfSupplementalDisclosureOfCashFlowInformation" name="ScheduleOfSupplementalDisclosureOfCashFlowInformation" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_InventoryCurrentAndNoncurrent" name="InventoryCurrentAndNoncurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_NumberOfDaysToSubmitListOfNonRecoverableExpenses" name="NumberOfDaysToSubmitListOfNonRecoverableExpenses" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_ConstructionInProgress" name="ConstructionInProgress" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_DisposalGroupIncludingDiscontinuedOperationLeaseCurrent" name="DisposalGroupIncludingDiscontinuedOperationLeaseCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_DisposalGroupIncludingDiscontinuedOperationLeaseNoncurrent" name="DisposalGroupIncludingDiscontinuedOperationLeaseNoncurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_DisposalGroupIncludingDiscontinuedOperationLeaseCurrentLiabilities" name="DisposalGroupIncludingDiscontinuedOperationLeaseCurrentLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="cwco_OperatingLeaseDiscontinuedOperationsPayments" name="OperatingLeaseDiscontinuedOperationsPayments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cwco_DisposalGroupIncludingDiscontinuedOperationLandAndRightsOfWay" name="DisposalGroupIncludingDiscontinuedOperationLandAndRightsOfWay" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_MexicoProjectDevelopmentMember" name="MexicoProjectDevelopmentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_OperatingLeaseLiabilitiesContinuingOperations" name="OperatingLeaseLiabilitiesContinuingOperations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="cwco_DisposalGroupIncludingDiscontinuedOperationOtherExpenseImpairment" name="DisposalGroupIncludingDiscontinuedOperationOtherExpenseImpairment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cwco_IncreaseDecreaseInAccountsReceivableAndContractWithCustomerAsset" name="IncreaseDecreaseInAccountsReceivableAndContractWithCustomerAsset" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cwco_DisposalGroupIncludingDiscontinuedOperationValueAddedTaxesReceivable" name="DisposalGroupIncludingDiscontinuedOperationValueAddedTaxesReceivable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cwco_SegmentRetailMember" name="SegmentRetailMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_EstimatedFairValueCarryingAmountExceededPercentage" name="EstimatedFairValueCarryingAmountExceededPercentage" nillable="true" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_CriteriaForRecognizingInvestmentAtCost" name="CriteriaForRecognizingInvestmentAtCost" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cwco_OperatingLeaseCostsDiscontinuedOperations" name="OperatingLeaseCostsDiscontinuedOperations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cwco_ContractWithCustomerRetainage" name="ContractWithCustomerRetainage" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cwco_DiscontinuedOperationsNonRecoverableExpenses" name="DiscontinuedOperationsNonRecoverableExpenses" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cwco_GrossProfitMember" name="GrossProfitMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cwco_NumberOfCustomers" name="NumberOfCustomers" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="cwco_PaymentsToAcquireCertificatesOfDeposit" name="PaymentsToAcquireCertificatesOfDeposit" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cwco_ValueAddedTaxReceivableAllowance" name="ValueAddedTaxReceivableAllowance" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationGoodwillImpairmentPercent" id="cwco_EffectiveIncomeTaxRateReconciliationGoodwillImpairmentPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OperatingLeaseLiabilityIncludingDiscontinuedOperations" id="cwco_OperatingLeaseLiabilityIncludingDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProvisionForUncollectedValueAddedTaxes" id="cwco_ProvisionForUncollectedValueAddedTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOtherCurrentLiabilities" id="cwco_IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOtherCurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncreaseDecreaseInContractLiability" id="cwco_IncreaseDecreaseInContractLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredTaxAssetsTaxDeferredExpenseOperatingLeaseLiabilities" id="cwco_DeferredTaxAssetsTaxDeferredExpenseOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets" id="cwco_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SubcontractorAndOtherProjectCostsMember" id="cwco_SubcontractorAndOtherProjectCostsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OfficeRentMember" id="cwco_OfficeRentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
