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Nonprofit · EIN 31-1781848

ECOSYSTEM SCIENCES FOUNDATION

Tax-exempt · BOISE, ID 83702

Financials

$300K$295K2023$177K$205K2024$389K$368K2025
Revenue Expenses · by fiscal year end
Financials of ECOSYSTEM SCIENCES FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$388,503$367,771$20,732$84,732$0$84,732
December 31, 2024990$176,844$205,342-$28,498$74,704$10,704$64,000
December 31, 2023990$300,310$295,020$5,290$112,958$20,460$92,498
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$88,800
Program service revenue
$299,564
Investment income
$54
Other revenue
$85

Expenses

Grants and similar amounts paid
$0
Other salaries and wages
$18,098
Salaries, compensation and benefits (total)
$19,995
Professional fundraising fees
$0
Occupancy
$18,000
Travel
$6,921
Program services (functional)
$344,202
Management and general (functional)
$13,569
Fundraising (functional)
$10,000

Balance sheet and other

Total assets, start of year
$74,704
Total assets, end of year
$84,732
Total liabilities, end of year
$0
Net assets, end of year
$84,732
Net assets without donor restrictions
$84,732
Gross receipts
$388,503
Employees
3
Year formed
2000
State of legal domicile
ID

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
ZACH HILLPRESIDENT
Officer
12$0
TIM MAGUIRESECRETARY
Officer
11$0
DEREK RISSOBOARD MEMBER
Officer
2.5$0
990 for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
ZACH HILLPRESIDENT
Officer
12$0
TIM MAGUIRESECRETARY
Officer
11$0
DEREK RISSOBOARD MEMBER
Officer
2.5$0
990 for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
DEREK RISSOBOARD MEMBER
Officer
2.5$0
TIM MAGUIRESECRETARY
Officer
11$0
ZACH HILLPRESIDENT
Officer
12$0

Address and contacts

Address (IRS master file)
202 N 9TH ST STE 400, BOISE, ID 83702-5767
In care of
% ZACH HILL
Signed the 990
ZACH HILL, PRESIDENT
Return prepared by
WILSON HARRIS & CO

Mission

RIVER AND WATERSHED RESTORATION

990 for the year ended December 31, 2025

Program accomplishments

  • IDAHO FORESTS ECONOMIC EVALUATION AND HEALTH ASSESSMENT / LSR- ECOSYSTEM SCIENCES FOUNDATION IS DEVELOPING A GEODATABASE (GIS) OF IDAHO DEPARTMENT OF LANDS (IDL) IMPLEMENTED PROJECTS DESCRIBING OVER 100 STATE & PRIVATE FORESTRY PROGRAM FUNDED PROJECTS THROUGHOUT THE STATE OF IDAHO SINCE 2008. THIS DATA WILL HELP IDL EVALUATE THE IMPACT OF THEIR PROGRAMS ON IMPROVING FOREST HEALTH ACROSS IDAHO. ENGAGE KEY PUBLIC, PRIVATE AND NON-PROFIT STAKEHOLDERS IN BUILDING THE STATEWIDE ECONOMIC ANALYSIS. THIS ECONOMIC ANALYSIS WILL EVALUATE IDAHOS PRIORITY LANDSCAPE AREAS AS IDENTIFIED IN THE IDAHO STATE FOREST ACTION PLAN AND COMMUNICATE THE VALUE OF ECOSYSTEM SERVICES PRODUCED BY THESE LANDSCAPES.
    Expenses $248,107
  • SILVER CREEK PROGRAM - SINCE 2011, ECOSYSTEM SCIENCES FOUNDATION HAS LED THE FORMATION OF THE SILVER CREEK ANNUAL MONITORING AND REPORTING PROGRAM AS PART OF THE ALLIANCE; AN ASSOCIATION OF CONSERVATION-MINDED LANDOWNERS WORKING COLLABORATIVELY TO PRACTICE AND PROMOTE ECOLOGICALLY AND ECONOMICALLY SOUND LAND AND WATER MANAGEMENT IN THE SILVER CREEK WATERSHED OF IDAHO. THE PROGRAM ENGAGES IN A WIDE VARIETY OF EFFORTS, INCLUDING RESOURCE MONITORING, RESEARCH, AND SUSTAINABLE RESOURCE MANAGEMENT, TO BENEFIT THE AREAS WORKING LANDSCAPES, STREAMS, WILDLIFE AND OTHER NATURAL RESOURCES.
    Expenses $73,050
  • WOOD RIVER VALLEY FOREST ENHANCEMENT WRV- THE WOOD RIVER VALLEY FOREST ENHANCEMENT COLLABORATIVE PROJECT WITH ECOSYSTEM SCIENCES FOUNDATION AND IS LED BY THE IDAHO DEPARTMENT OF LANDS IN COOPERATION WITH THE US FOREST SERVICE. THE PROJECT OCCURS IN THREE PHASES; A TREE CANOPY ASSESSMENT OF THE WOOD RIVER VALLEY; FOUR COMMUNITY AND URBAN FOREST MANAGEMENT PLANS FOR THE CITIES OF THE WOOD RIVER VALLEY; AND IMPLEMENTATION OF THE ON-THE-GROUND ACTIONS (TREE PLANTING, HAZARDOUS FUELS TREATMENTS AND OTHER ACTIONS).
    Expenses $19,995
  • SILVER CREEK STREAMFLOW FORECAST MODELING / BSU / NIFA - COMPREHENSIVE MANAGEMENT OF WATER RESOURCES IS FUNDAMENTAL TO THE WATER ALLOCATION NEEDS AND CONSERVATION EFFORTS FOR STAKEHOLDERS IN THE SILVER CREEK AND BIG WOOD RIVER WATERSHED. SURFACE WATER AND GROUNDWATER RESOURCES ARE CHALLENGED BY HYDROLOGIC EXTREMES, WATER AVAILABILITY, IRRIGATION NEEDS, AND WATER QUALITY ISSUES. THIS PROJECT WILL CONSIDER THE RELATIONSHIPS OF SURFACE AND GROUNDWATER INTERACTIONS, WATER AVAILABILITY, AND AQUATIC ECOSYSTEM HEALTH TO GAIN A BETTER UNDERSTANDING OF MANAGEMENT APPROACHES THAT CAN BALANCE AGRICULTURAL AND ECOLOGICAL NEEDS. THIS PROJECT IS FUNDED BY A GRANT FROM THE USDA, AGRICULTURAL FOOD RESEARCH INITIATIVE FOUNDATION AND APPLIED SCIENCE PROGRAM.
    Expenses $3,050

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
31-1781848
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2001
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C32)
Assets (IRS master file)
$84,732
Income (IRS master file)
$388,503

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$388,503$367,771$84,732XML
990December 2024$176,844$205,342$74,704XML
990December 2023$300,310$295,020$112,958XML
990-EZDecember 2022–––IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 31-1781848).

Questions about ECOSYSTEM SCIENCES FOUNDATION

What is the EIN of ECOSYSTEM SCIENCES FOUNDATION?
The employer identification number (EIN) of ECOSYSTEM SCIENCES FOUNDATION is 31-1781848.
Is ECOSYSTEM SCIENCES FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to ECOSYSTEM SCIENCES FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ECOSYSTEM SCIENCES FOUNDATION file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of ECOSYSTEM SCIENCES FOUNDATION due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ECOSYSTEM SCIENCES FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who are the officers and directors of ECOSYSTEM SCIENCES FOUNDATION?
The 990 for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does ECOSYSTEM SCIENCES FOUNDATION have?
On its 990 for the year ended December 31, 2025 it reported revenue of $388,503, expenses of $367,771 and total assets of $84,732 at year end.

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