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        <ManagementAndGeneralAmt>425</ManagementAndGeneralAmt>
        <FundraisingAmt>617</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>24047</TotalAmt>
        <ProgramServicesAmt>21998</ProgramServicesAmt>
        <ManagementAndGeneralAmt>667</ManagementAndGeneralAmt>
        <FundraisingAmt>1382</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>28791</TotalAmt>
        <ProgramServicesAmt>25723</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1016</ManagementAndGeneralAmt>
        <FundraisingAmt>2052</FundraisingAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>21963</TotalAmt>
        <ProgramServicesAmt>21676</ProgramServicesAmt>
        <ManagementAndGeneralAmt>95</ManagementAndGeneralAmt>
        <FundraisingAmt>192</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>22325</TotalAmt>
        <ProgramServicesAmt>20878</ProgramServicesAmt>
        <ManagementAndGeneralAmt>658</ManagementAndGeneralAmt>
        <FundraisingAmt>789</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>21760</TotalAmt>
        <ProgramServicesAmt>21381</ProgramServicesAmt>
        <ManagementAndGeneralAmt>128</ManagementAndGeneralAmt>
        <FundraisingAmt>251</FundraisingAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>23334</TotalAmt>
        <ProgramServicesAmt>22807</ProgramServicesAmt>
        <ManagementAndGeneralAmt>52</ManagementAndGeneralAmt>
        <FundraisingAmt>475</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>138066</TotalAmt>
        <ProgramServicesAmt>138052</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5</ManagementAndGeneralAmt>
        <FundraisingAmt>9</FundraisingAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>4917</TotalAmt>
        <ProgramServicesAmt>4865</ProgramServicesAmt>
        <FundraisingAmt>52</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>6995</TotalAmt>
        <ProgramServicesAmt>5036</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1615</ManagementAndGeneralAmt>
        <FundraisingAmt>344</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>Employee recruitment</Desc>
        <TotalAmt>90</TotalAmt>
        <ProgramServicesAmt>90</ProgramServicesAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>620631</TotalAmt>
        <ProgramServicesAmt>584013</ProgramServicesAmt>
        <ManagementAndGeneralAmt>12858</ManagementAndGeneralAmt>
        <FundraisingAmt>23760</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>49951</BOYAmt>
        <EOYAmt>208533</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>111816</BOYAmt>
        <EOYAmt>111891</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>50050</BOYAmt>
        <EOYAmt>76074</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>32654</BOYAmt>
        <EOYAmt>88056</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>22491</BOYAmt>
        <EOYAmt>55534</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>22053</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>14731</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>4274</BOYAmt>
        <EOYAmt>7322</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <TotalAssetsGrp>
        <BOYAmt>271236</BOYAmt>
        <EOYAmt>547410</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>26462</BOYAmt>
        <EOYAmt>31941</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>25676</BOYAmt>
        <EOYAmt>67470</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>52138</BOYAmt>
        <EOYAmt>99411</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>94038</BOYAmt>
        <EOYAmt>186223</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TemporarilyRstrNetAssetsGrp>
        <BOYAmt>125060</BOYAmt>
        <EOYAmt>261776</EOYAmt>
      </TemporarilyRstrNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>219098</BOYAmt>
        <EOYAmt>447999</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>271236</BOYAmt>
        <EOYAmt>547410</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>228901</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>317749</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>384059</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>246030</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>175970</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>510597</CurrentTaxYearAmt>
        <TotalAmt>1634405</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>317749</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>384059</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>246030</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>175970</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>510597</CurrentTaxYearAmt>
        <TotalAmt>1634405</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>938630</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>695775</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>156</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>647</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1243</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>157</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>75</CurrentTaxYearAmt>
        <TotalAmt>2278</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>1636683</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>1009984</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.42510</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.39290</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001" />
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>14253</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>9814</DepreciationAmt>
        <BookValueAmt>4439</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>7800</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>4917</DepreciationAmt>
        <BookValueAmt>2883</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>7322</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>849532</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>849532</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>849532</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>620631</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>620631</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>620631</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Management evaluated ELP's tax positions and concluded that ELP's financial statements do not include any uncertain tax positions.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Line 4a, Regional Fellowship Programs: (continued)</FormAndLineReferenceDesc>
        <ExplanationTxt>In 2017, ELP operated five regional networks; its Eastern Program for those living and/or working in DE, NJ, NY and eastern PA; its Chesapeake Program for those living and/or working DC, MD and VA; its New England Regional Program for those living/working in CT, MA, ME, NH, RI and VT; its Pacific Northwest Program for those living and/or working in AK, OR and WA; and its new Delaware Rive Watershed Network for those working in the Delaware River Watershed. In total, 99 emerging leaders completed the program and joined our national network of Senior Fellows.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The 990 is circulated via email to all Board members, and a request is made for any questions or comments.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Each year members of the Board are asked to disclose any conflicts of interest they may have. Should a conflict arise, a board member will recuse themselves from participating in the decision process in which that conflict resides.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>Compensation for the Executive Director was determined by the Board of Trustees by making a comparison of that individual's previous salary and that of the outgoing Executive Director.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization makes its governing documents, conflict of interest policy, and financial statements available to the public upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization's Board of Directors assumes responsibility for oversight of the audit and selection of an independent accountant.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>