Liabilities / Assets
48th percentile
Higher debt load relative to assets than 48% of similar nonprofits.
EIN 23-7345974 • 501(c)3 • Eugene, OR
Profile
Our mission is to engage people with nature through interactive learning and stewardship.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
48th percentile
Higher debt load relative to assets than 48% of similar nonprofits.
Liabilities / Revenue
61st percentile
Higher debt load relative to revenue than 61% of similar nonprofits.
Net Margin
18th percentile
Higher net margin than 18% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
62nd percentile
Faster asset growth than 62% of similar nonprofits.
Revenue Growth
59th percentile
Faster revenue growth than 59% of similar nonprofits.
Assets
Down$2,443,394
Down $10,042 (-0.4%) from 2023
Liabilities
Up$133,444
Up $18,188 (+16%) from 2023
Net Assets
Down$2,309,950
Down $28,230 (-1.2%) from 2023
Revenue
Down$902,233
Down $213,469 (-19%) from 2023
Expenses
Up$1,036,834
Up $244,128 (+31%) from 2023
Net Income
Down-$134,601
Down $457,597 (-142%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
Our mission is to engage people with nature through interactive learning and stewardship.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments Other Securities | $1,032,269 | $1,099,709 | ▲ $67,440 |
| Savings and Temporary Cash Investments | $849,557 | $890,980 | ▲ $41,423 |
| Land, Buildings, and Equipment, Net | $420,721 | $389,182 | ▼ $31,539 |
| Pledges and Grants Receivable | $34,317 | $39,457 | ▲ $5,140 |
| Prepaid Expenses and Deferred Charges | $7,625 | $13,646 | ▲ $6,021 |
| Cash and Non-Interest-Bearing Accounts | $107,422 | $9,420 | ▼ $98,002 |
| Accounts Receivable | $1,525 | $1,000 | ▼ $525 |
| Total Assets | $2,453,436 | $2,443,394 | ▼ $10,042 |
| Liabilities | |||
| Deferred Revenue | $100,042 | $81,414 | ▼ $18,628 |
| Accounts Payable and Accrued Expenses | $15,214 | $52,030 | ▲ $36,816 |
| Total Liabilities | $115,256 | $133,444 | ▲ $18,188 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $1,726,886 | $1,677,446 | ▼ $49,440 |
| Net Assets With Donor Restrictions | $611,294 | $632,504 | ▲ $21,210 |
| Total Net Assets Fund Balance | $2,338,180 | $2,309,950 | ▼ $28,230 |
| Total Liabilities and Net Assets / Fund Balance | $2,453,436 | $2,443,394 | ▼ $10,042 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $244,774 | $215,692 | $460,466 |
| Equipment | $144,408 | $262,949 | $407,357 |
| Closely Held Equity Interests | $1,099,709 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $1,032,269 | - | ▲ $114,639 | $42,038 | $1,099,709 |
| 2023 | $971,779 | $7,650 | ▲ $98,362 | $40,544 | $1,032,269 |
| 2022 | $1,127,801 | $3,873 | ▼ $116,574 | $38,269 | $971,779 |
| 2021 | $950,967 | $3,807 | ▲ $214,142 | $36,008 | $1,127,801 |
| 2020 | $890,135 | - | ▲ $100,469 | $35,400 | $950,967 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Brad Van Appel | Executive Di | FT | $51,221 | $6,152 | $57,373 |
| Ilana Jakubowski | Executive Di | FT | $46,351 | - | $46,351 |
| Name | Title |
|---|---|
| Sally Stender Kesey | President |
| Carl Bybee | Member |
| Courtney Caimona | Member |
| David Laker | Member |
| Latiffe Amado | Member |
| Lauren Herbert | Member |
| Lauren Reid | Member |
| Sara Worl | Member |
| Shiloh Weaver | Member |
| Whitney Randall | Member |
| Will Short | Member |
| Kathleen Hayes | Secretary |
| Charlotte Kreitlow | Treasurer |
| Jessica Winans | Vice Preside |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $583,097 |
| Other Expenses | $434,787 |
| Total Fundraising Expense | $158,246 |
| Grants and Similar Amounts Paid | $18,950 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $301,795 | $17,312 | $60,366 | $379,473 |
| Fees for Services Other | $113,310 | $2,295 | $33,010 | $148,615 |
| Current Officers, Directors, Trustees, and Key Employees | $9,798 | $84,701 | $9,225 | $103,724 |
| Office Expenses | $27,273 | $8,077 | $22,087 | $57,437 |
| Fees for Services Accounting | $117 | $53,912 | - | $54,029 |
| Payroll Taxes | $28,554 | $14,469 | $6,181 | $49,204 |
| Other Employee Benefits | $27,442 | $6,085 | $10,304 | $43,831 |
| Insurance | $20,663 | $11,398 | - | $32,061 |
| Depreciation Depletion | $23,782 | $1,201 | $6,556 | $31,539 |
| Grants to Domestic Orgs | $18,950 | - | - | $18,950 |
| Occupancy | $9,298 | $427 | $404 | $10,129 |
| Pension Plan Contributions | $5,030 | $69 | $1,766 | $6,865 |
| Other Expenses | $2,266 | $455 | $1,067 | $3,788 |
| Advertising | $1,593 | $258 | $479 | $2,330 |
| Conferences and Meetings | $853 | $277 | $263 | $1,393 |
| Fees for Services Legal | - | $892 | - | $892 |
| Total Functional Expenses | $666,314 | $212,274 | $158,246 | $1,036,834 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| DAVID'S CHAIR | White City, OR | 501c 3 | - | $18,950 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Classes and voting: there is one class of members of this corporation. Each member is entitled to one vote on matters for which membership vote is permitted, including, at a minimum, the annual election of the board members.”
“Eligibility: membership in the corporation is open to all persons and organizations interested in its objectives, and shall be on an annual basis. The membership shall consist of those persons who indicate their intention of becoming members and pay the established fees, in accordance with regulations set by the board of directors.”
“Annual meetings: the annual meeting of the membership shall be held each year, at a time and place to be decided upon by the board of directors, for a report of corporation activities for the year just concluded, proposals for the coming year, for the election of directors, and for the transaction of such other business as may properly come before the meeting. Special meetings: special meetings of members may be called by the board of directors or by 10% of the members of the corporation on written notice that is signed, dated and given to the corporation's secretary at least 50 days before the date of such meeting, which written notice shall contain the purpose for which the meeting is called. Notice of meeting: notice of all meetings of the members shall be given to each member at the last address of record, by first class mail at least 7 days before the meeting, or by means other than first class mail at least 30 but not more than 60 days before the meeting. The notice shall include the date, time, place, and purposes of the meeting. Quorum and voting: at any regular or special meeting of the members, those members present shall constitute a quorum. A majority vote of those members present and voting shall decide all questions unless these bylaws or the law provide differently.”
“Officers of the organization review 990 before submission”
“Every board member and employee recieves a copy of the conflict of interest policy that was adopted by the the board april 20, 2009. Annually there is a conflict of interest discloure form that is signed by the board and employees.”
“The finance committee conducted an analysis of current pay rates for people in this position at similar organizations in the state using three separate independent sources, and prepared recommendations that were reviewed and approved by the board of directors.”
“The finance committee conducted an analysis of current pay rates for people in all positins at similar organizations in the state using three separate independent sources, and prepared recommendations that were reviewed and approved by the board of directors.”
“UPON REQUEST”
“Volunteers are active in many areas of the organization including office administration, organizational development, assisting at the wildflower and mushroom festivals each year, assisting at educational programs, walks and workshops, park watch volunteers, and site maintenance. 1,600 volunteer hours were recorded for 2024, valued at 32 per hour that amounts to 51,200 of support.”
“Professional fees 113,310 2,295 33,010”
“Doanted services -8,753 donated rent -26,200 total -34,953”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | true |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 15214 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 52030 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 1525 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 1000 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | OUR MISSION IS TO ENGAGE PEOPLE WITH NATURE THROUGH INTERACTIVE LEARNING AND STEWARDSHIP. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 479 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 258 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 1593 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 2330 |
| IRS990/AllOtherContributionsAmt | 0 | 263480 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | ILANA JAKUBOWSKI |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5417473817 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 34901 FRANK PARRISH RD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | EUGENE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | OR |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 97405 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 107422 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 9420 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 9225 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 84701 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 9798 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 103724 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 263 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 277 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 853 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 1393 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 503183 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 18950 |
| IRS990/CYInvestmentIncomeAmt | 0 | 15074 |
| IRS990/CYOtherExpensesAmt | 0 | 434787 |
| IRS990/CYOtherRevenueAmt | 0 | 191824 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 192152 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -134601 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 583097 |
| IRS990/CYTotalExpensesAmt | 0 | 1036834 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 158246 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 902233 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 100042 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 81414 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 6556 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 1201 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 23782 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 31539 |
| IRS990/Desc | 0 | MOUNT PISGAH ARBORETUM IS A 209-ACRE NATURAL AREA WHERE VISITORS EXPLORE SOUTHERN WILLAMETTE VALLEY ECOLOGY ON OUR SEVEN MILES OF FAMILY-FRIENDLY TRAILS. LOCATED WITHIN A 2,200-ACRE LANE COUNTY PARK, WE HOST 400,000 YEARLY VISITS. WE ARE SUPPORTED BY 2,100 MEMBERS, AND ENGAGE HUNDREDS OF VOLUNTEERS. THE ARBORETUM HAS INVESTED OVER A MILLION DOLLARS TO BUILD INFRASTRUCTURE WITHIN THE PARK. WE CONSTRUCTED AND MAINTAIN THE PARK'S MAIN PARKING LOT, ITS PRIMARY PUBLIC RESTROOMS, AND POTABLE WATER SYSTEM. IN 2005 WE OPENED THE BEAUTIFUL WHITE OAK PAVILION, WHICH NOW HELPS SUPPORT OUR NATURE EDUCATION PROGRAMS BY SERVING AS A VENUE FOR WEDDINGS, MEMORIALS, AND OTHER COMMUNITY EVENTS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonatedServicesAndUseFcltsAmt | 0 | 34953 |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 611294 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 632504 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 24 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 53912 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 117 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 54029 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 892 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 892 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 33010 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 2295 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 113310 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 148615 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 6152 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | BRAD VAN APPEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ILANA JAKUBOWSKI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JESSICA WINANS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | SALLY STENDER KESEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | CHARLOTTE KREITLOW |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | KATHLEEN HAYES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | LAUREN REID |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | SARA WORL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | CARL BYBEE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | WHITNEY RANDALL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | WILL SHORT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | LAUREN HERBERT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | COURTNEY CAIMONA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | LATIFFE AMADO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | DAVID LAKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | SHILOH WEAVER |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 51221 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 46351 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | EXECUTIVE DI |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | EXECUTIVE DI |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | MEMBER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1974 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GovernmentGrantsAmt | 0 | 114025 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 18950 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 18950 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 902233 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 191824 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 11398 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 20663 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 32061 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 15074 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 15074 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 1032269 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 1099709 |
| IRS990/IRPDocumentCnt | 0 | 7 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 478641 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 420721 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 389182 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 867823 |
| IRS990/LegalDomicileStateCd | 0 | OR |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 125678 |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | OUR MISSION IS TO ENGAGE PEOPLE WITH NATURE THROUGH INTERACTIVE LEARNING AND STEWARDSHIP. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 2338180 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2309950 |
| IRS990/NetRentalIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 191824 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 191824 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 106371 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1726886 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1677446 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 404 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 427 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 9298 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 10129 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 22087 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 8077 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 27273 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 57437 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -34953 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 10304 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 6085 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 27442 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 43831 |
| IRS990/OtherExpensesGrp/Desc | 0 | SUPPLIES |
| IRS990/OtherExpensesGrp/Desc | 1 | EQUIPMENT RENTAL & MAINT |
| IRS990/OtherExpensesGrp/Desc | 2 | SITE MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 3 | VOLUNTEER APPRECIATION |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 6448 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 45 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 45 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 3 | 1067 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 10446 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 455 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 45654 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 21013 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 8923 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 2266 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 62548 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 21058 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 8968 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 3788 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 60366 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 17312 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 301795 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 379473 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 6181 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 14469 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 28554 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 49204 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 1766 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 69 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 5030 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 6865 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 34317 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 39457 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 7625 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 13646 |
| IRS990/PrincipalOfficerNm | 0 | JESSICA WINANS |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | FESTIVALS & EVENTS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | MISCELLANEOUS |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | EDUCATIONAL PROGRAMS |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | GOVERNMENTAL CONTRACT |
| IRS990/ProgramServiceRevenueGrp/Desc | 4 | SERVICES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 119064 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 23534 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 23450 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 18300 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 4 | 7804 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 119064 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 23534 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 23450 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 18300 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 4 | 7804 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | THE ARBORETUM PROVIDES NATURE EDUCATION PROGRAMS FOR 3,000 CHILDREN AND ADULTS. EACH YEAR OVER 2,000 K-5 STUDENTS DISCOVER THE WONDERS OF NATURE ON FIELD TRIPS LED BY OUR TRAINED VOLUNTEERS. WE PROVIDE SCHOLARSHIPS FOR 50% OF THESE CHILDREN WHO COME FROM LOW-INCOME HOMES. 200 ADULTS AND FAMILIES ENJOY OUR GUIDED NATURE WALKS,AND NATURAL HISTORY WORKSHOPS. ANOTHER 6,000 VISITORS LEARN ABOUT NATURE AT OUR ANNUAL WILDFLOWER AND MUSHROOM FESTIVALS. |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | IN THE LAST FEW YEARS WE'VE BEEN DEVELOPING PERMANENT EDUCATIONAL EXHIBITS AIMED AT ENGAGING MORE PARK VISITORS IN LEARNING ABOUT SOUTHERN WILLAMETTE VALLEY ECOLOGY. FOUR EXHIBITS ARE NOW IN PLACE. WE PLAN TO CREATE FOUR MORE EXHIBITS, AS WELL AS A NEW KIOSK AT THE ARBORETUM'S ENTRANCE. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 666314 |
| IRS990/ProgSrvcAccomActyOtherGrp/GrantAmt | 0 | 18950 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 786784 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 8386 |
| IRS990/PYInvestmentIncomeAmt | 0 | 5247 |
| IRS990/PYOtherExpensesAmt | 0 | 239209 |
| IRS990/PYOtherRevenueAmt | 0 | 183384 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 140287 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 322996 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 545111 |
| IRS990/PYTotalExpensesAmt | 0 | 792706 |
| IRS990/PYTotalRevenueAmt | 0 | 1115702 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -134601 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 191824 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | true |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 849557 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 890980 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearAmt | 0 | 2642 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus1YearAmt | 0 | 1386 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus2YearsAmt | 0 | 2283 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus3YearsAmt | 0 | 14792 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus4YearsAmt | 0 | 7354 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 28457 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 503183 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 786784 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 388351 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 440644 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 224787 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 2343749 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/CurrentTaxYearAmt | 0 | 26200 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/CurrentTaxYearMinus1YearAmt | 0 | 24000 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 24000 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 24000 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 24000 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/TotalAmt | 0 | 122200 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 15074 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 5247 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | -1137 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 63551 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 17160 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 99895 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 383976 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 323671 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 325290 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 128079 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 64163 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 1225179 |
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