Caddo Lake Institute Inc logo

Caddo Lake Institute Inc

Public charity · Grantmaker Karnack, TX EIN: 20-3622669 Website

Caddo Lake Institute, inc. Is a non-profit scientific and educational corporation with the mission of protecting the ecological, cultural and economic integrity of caddo lake, its associated wetlands, and surrounding plant and wildlife habitats.

Caddo Lake Institute Inc at a glance

Total assets
$2,808,916
+78.4% vs 2024
Revenue (2025)
$1,723,329
+192.5% vs 2024
Net investment income (2025)
$39,551
-84.7% vs 2024
Expenses (2025)
$561,954
+33.4% vs 2024
Latest 990 filing
Form 990, 2025 View filing

Data from IRS Form 990, 2025; updated September 2026.

Who Caddo Lake Institute Inc funds

How this funder distributes its grants

Grant Size Distribution

1 grant across all recorded years

1<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 1 grant of 1 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

States

Cities

Karnack

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$2K$4K$6K0 grants2019 0 grants2020 0 grants2021 1 grant2022 0 grants2023 0 grants2024 0 grants2025

In 2022 it made 1 grant totaling $5K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Caddo Biocontrol Alliance Karnack, TXWeevil Greenhouse Support Invasives: Fighting Giant Salvinia$5,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2025$2,808,916$1,723,329$561,954——$39,551
2024$1,574,431$589,079$421,279——$258,798
2023$1,545,028$350,730$276,881——$22,110
2022$1,225,130$916,419$279,843$5,0001$81,634
2021$608,686$368,288$248,459——$356
2020$472,934$398,203$302,560——$525
2019$352,305$370,249$294,176——$444

About Caddo Lake Institute Inc

Based on IRS filings

Caddo Lake Institute Inc is a public charity focused on Environment & Animals, based in Karnack, TX. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $2.8M in total assets. Net investment income was $40K.

Leadership & Key People

Officers and directors from IRS filings

Caddo Lake Institute Inc is led by Don Henley, President since 2021 (on filings since 2019); none of the 6 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Don Henley

    President

    Founder & Chairman of the Bo → Chairman, 2020

    Chairman → President, 2021

    On filings since 2019

    5 hrs/week

    No compensation reported

  • Christopher Campbell

    Director

    On filings since 2019

    1 hr/week

    No compensation reported

  • Jerry Cargill

    Director

    On filings since 2019

    1 hr/week

    No compensation reported

  • Rick Michaels

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • J. Marshall Jones Jr.

    Treasurer

    Director → Treasurer, 2020

    On filings since 2019

    3 hrs/week

    No compensation reported

  • Sandra Haverlah

    Secretary

    Secretary & Treasurer → Secretary, 2020

    On filings since 2019

    2 hrs/week

    No compensation reported

Former officers (3)
  • Former: Laura-Ashley Overdyke (2020–2022) — Executive Director
  • Former: Richard Michaels (2019–2020) — Director
  • Former: Laura Ashley Overdyke (2019) — Executive Director

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Caddo Lake Institute Inc

How large is Caddo Lake Institute Inc?

Caddo Lake Institute Inc reported $2.8M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.7M.

What is Caddo Lake Institute Inc?

Caddo Lake Institute Inc is a public charity focused on Environment & Animals, based in Karnack, TX. It holds $2.8M in total assets as of 2025.

Where does Caddo Lake Institute Inc operate?

Caddo Lake Institute Inc has awarded grants in Texas.

What is Caddo Lake Institute Inc's EIN?

Caddo Lake Institute Inc's EIN (Employer Identification Number) is 20-3622669. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated September 2026. Sourced from IRS Form 990 filings.

Data update history

(3)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2019 (received by the IRS November 13, 2020)
  2. Added Form 990 for fiscal year 2025 (received by the IRS August 5, 2026)
  3. IRS filings on file for fiscal years 2020–2024

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Figures come from Caddo Lake Institute Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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