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Nonprofit · EIN 73-1628865

GUADALUPE BLANCO RIVER TRUST

Tax-exempt · SEGUIN, TX 78155

Financials

$467K$482K2022$427K$423K2023$729K$503K2024
Revenue Expenses · by fiscal year end
Financials of GUADALUPE BLANCO RIVER TRUST by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
August 31, 2025990$729,066$502,760$226,306$4,853,651$47,161$4,806,490
August 31, 2024990$427,195$423,412$3,783$4,592,989$12,807$4,580,182
August 31, 2023990$467,020$481,694-$14,674$4,626,303$49,362$4,576,941
Financial details: 990 for the year ended August 31, 2025

Revenue

Contributions, gifts and grants
$634,008
of which government grants
$211,370
Program service revenue
$0
Investment income
$95,058
Net gain from sales of assets
$77,761
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$110,000
Other salaries and wages
$85,000
Salaries, compensation and benefits (total)
$233,786
Professional fundraising fees
$0
Legal fees
$67,951
Accounting fees
$14,658
Travel
$1,973
Program services (functional)
$427,262
Management and general (functional)
$75,498

Balance sheet and other

Total assets, start of year
$4,592,989
Total assets, end of year
$4,853,651
Total liabilities, end of year
$47,161
Net assets, end of year
$4,806,490
Land, buildings and equipment
$3,309,662
Publicly traded securities
$862,394
Net assets without donor restrictions
$4,459,735
Net assets with donor restrictions
$346,755
Gross receipts
$794,419
Employees
2
Volunteers
10
Year formed
2001
State of legal domicile
TX

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 August 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
DOUG DILLOWEXECUTIVE DIRECTOR
Trustee or director
50$110,000
WILLIAM A BLACKWELLPRESIDENT
Trustee or director, Officer
2$0
OSCAR H FOGLEVICE PRESIDENT
Trustee or director, Officer
1$0
DENIS R MUELLERSECRETARY/TREASURER
Trustee or director, Officer
2$0
JOHN P SCHNEIDER JRTRUSTEE
Trustee or director
1$0
MAGGIE SNOWTRUSTEE
Trustee or director
1$0
WILFRED KORTHTRUSTEE
Trustee or director
1$0
DIANE MCMAHONTRUSTEE
Trustee or director
1$0
DR STEPHEN WILSONTRUSTEE
Trustee or director
1$0
990 for the year ended August 31, 2024: 9 people
NameTitleHours / weekCompensation
DOUG DILLOWEXECUTIVE DIRECTOR
Trustee or director
50$33,000
WILLIAM A BLACKWELLPRESIDENT
Trustee or director, Officer
2$0
OSCAR H FOGLEVICE PRESIDENT
Trustee or director, Officer
1$0
DENIS R MUELLERSECRETARY/TREASURER
Trustee or director, Officer
2$0
JOHN P SCHNEIDER JRTRUSTEE
Trustee or director
1$0
MAGGIE SNOWTRUSTEE
Trustee or director
1$0
WILFRED KORTHTRUSTEE
Trustee or director
1$0
DIANE MCMAHONTRUSTEE
Trustee or director
1$0
DR STEPHEN WILSONTRUSTEE
Trustee or director
1$0
990 for the year ended August 31, 2023: 11 people
NameTitleHours / weekCompensation
TYLER SANDERSONEXECUTIVE DIRECTOR
Highest-paid employee
40$100,058
WILLIAM A BLACKWELLPRESIDENT
Trustee or director, Officer
2$0
OSCAR H FOGLEVICE PRESIDENT
Trustee or director, Officer
1$0
DENIS R MUELLERSECRETARY/TREASURER
Trustee or director, Officer
2$0
RONNIE LUSTERTRUSTEE
Trustee or director
1$0
JOHN P SCHNEIDER JRTRUSTEE
Trustee or director
1$0
MAGGIE SNOWTRUSTEE
Trustee or director
1$0
WILFRED KORTHTRUSTEE
Trustee or director
1$0
DIANE MCMAHONTRUSTEE
Trustee or director
1$0
DR STEPHEN WILSONTRUSTEE
Trustee or director
1$0
WILLIAM E WESTTRUSTEE
Trustee or director
1$0

Address and contacts

Address (IRS master file)
933 E COURT ST, SEGUIN, TX 78155-5819
In care of
% WILLIAM C BLOCK
Principal officer (990 for 2024)
DOUGLAS DILLOW, 933 EAST COURT STREET, SEGUIN, TX 78155
Signed the 990
DOUGLAS W DILLOW, EXECUTIVE DIRECTOR
Phone
(830) 379-5822
Return prepared by
ABIP PC

Mission

THE MISSION OF THE GUADALUPE-BLANCO RIVER TRUST IS TO PRESERVE THE UNIQUE NATURAL HERITAGE OF THE GUADALUPE WATERSHED FOR FUTURE GENERATIONS BY PROTECTING OPEN LANDSCAPES, WORKING FARMS AND RANCHES, AND WILDLIFE HABITAT THROUGH CONVERSATION EASEMENTS, EDUCATION, AND OUTREACH THAT CONNECTS PEOPLE TO THE WATER AND THE LAND.

990 for the year ended August 31, 2025

Program accomplishments

  • WETLAND ENHANCEMENT AND INFRASTRUCTURE IMPROVEMENT PLAN FOR THE WHITMIRE UNIT OF THE ARANSAS NATIONAL WILDLIFE REFUGE RESULTED IN THE ENHANCEMENT OF 176 ACRES OF WETLANDS THROUGH THE REPLACEMENT OF TWO OLDER WATER CONTROL STRUCTURES AS WELL AS THE ENGINEERING NECESSARY TO DEVELOP WATER MANAGEMENT AND INFRASTRUCTURE IMPROVEMENT PLAN FOR AN ADDITIONAL 230 ACRES OF WETLANDS
    Expenses $330,314
  • THE TRUST PURSUES CONSERVATION EASEMENTS TO PRESERVE NATURAL RESOURCES, ASSURE THAT LAND REMAINS IN AGRICULTURE PRODUCTION, AND TO PASS UNDEVELOPED LAND TO FUTURE GENERATIONS
    Expenses $17,056
  • EDUCATION PROGRAMS ARE CONDUCTED FOR LAND OWNERS AND FOR THE PUBLIC TO PROMOTE CONSERVATION MEASURES FOR THE LAND IN THE GUADALUPE RIVER BASIN USING PUBLICATIONS AND CONFERENCES TO FURTHER THIS GOAL
    Expenses $79,892

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 August, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025August 31, 2026January 15, 2027Not due yet
2024August 31, 2025January 15, 2026990 on file
2023August 31, 2024January 15, 2025990 on file

IRS record

EIN
73-1628865
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
2002
Accounting year ends
August
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C20)
Assets (IRS master file)
$4,853,651
Income (IRS master file)
$794,419

Filing history

FormYear endedRevenueExpensesAssetsReturn
990August 2025$729,066$502,760$4,853,651XML
990August 2024$427,195$423,412$4,592,989XML
990August 2023$467,020$481,694$4,626,303XML
990August 2022$346,451$298,433$4,538,629IRS
990August 2021–––IRS
990August 2020–––IRS
990August 2018–––IRS

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about GUADALUPE BLANCO RIVER TRUST

What is the EIN of GUADALUPE BLANCO RIVER TRUST?
The employer identification number (EIN) of GUADALUPE BLANCO RIVER TRUST is 73-1628865.
Is GUADALUPE BLANCO RIVER TRUST tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
Are donations to GUADALUPE BLANCO RIVER TRUST tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does GUADALUPE BLANCO RIVER TRUST 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 GUADALUPE BLANCO RIVER TRUST due?
The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did GUADALUPE BLANCO RIVER TRUST last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended August 2025.
Who is the principal officer of GUADALUPE BLANCO RIVER TRUST?
The 990 for the year ended August 31, 2025 names DOUGLAS DILLOW.
Who are the officers and directors of GUADALUPE BLANCO RIVER TRUST?
The 990 for the year ended August 31, 2025 lists 9 people; 1 received compensation from the organization, the highest $110,000 (DOUG DILLOW, EXECUTIVE DIRECTOR).
How much revenue does GUADALUPE BLANCO RIVER TRUST have?
On its 990 for the year ended August 31, 2025 it reported revenue of $729,066, expenses of $502,760 and total assets of $4,853,651 at year end.

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