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  <element id="wtr_IncomeTaxesLineItems" name="IncomeTaxesLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="wtr_DeferredTaxAssetsOperatingLossCarryForwardsDomesticUtilized" name="DeferredTaxAssetsOperatingLossCarryForwardsDomesticUtilized" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="wtr_IncreaseInOperatingLossCarryforwards" name="IncreaseInOperatingLossCarryforwards" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="wtr_TotalPaymentForNorthernAndSouthernIndianaAssets" name="TotalPaymentForNorthernAndSouthernIndianaAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="wtr_CapitalizationTextBlock" name="CapitalizationTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="wtr_PennTownshipMember" name="PennTownshipMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="wtr_NumberOfSeparateSalesTransactions" name="NumberOfSeparateSalesTransactions" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="wtr_FloridaSaleSubjectToRegulatoryReviewMember" name="FloridaSaleSubjectToRegulatoryReviewMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="wtr_PercentageOfCustomersServed" name="PercentageOfCustomersServed" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="wtr_RemainingPaymentForNorthernAndSouthernAssets" name="RemainingPaymentForNorthernAndSouthernAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="wtr_OtherFinancingActivity" name="OtherFinancingActivity" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="wtr_OhioTexasNewJerseyVirginiaAndIndianaMember" name="OhioTexasNewJerseyVirginiaAndIndianaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="wtr_IllinoisAndNewJerseyMember" name="IllinoisAndNewJerseyMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="wtr_ShareUnitsVestedButNotPaid" name="ShareUnitsVestedButNotPaid" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="wtr_StockUnitsVestedButNotPaidWeightedAverageFairValue" name="StockUnitsVestedButNotPaidWeightedAverageFairValue" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="wtr_NonEquityComponentOfAllowanceForFundsUsedDuringConstruction" name="NonEquityComponentOfAllowanceForFundsUsedDuringConstruction" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="wtr_WaterAndWastewaterRatesTable" name="WaterAndWastewaterRatesTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" />
  <element id="wtr_NorthMaineUtilitiesMember" name="NorthMaineUtilitiesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
</schema>
</XBRL>