Nonprofit · EIN 92-1506279
GREENWATER FOUNDATION
Tax-exempt · RICHMOND, VA 23294
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $35,747 | $153,238 | -$117,491 | $561,104 | $0 | $561,104 |
| December 31, 2024 | 990 | $1,238,127 | $564,734 | $673,393 | $678,593 | $126 | $678,467 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $12,898
- Program service revenue
- $22,500
- Investment income
- $349
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $6,250
- Salaries, compensation and benefits (total)
- $6,948
- Professional fundraising fees
- $0
- Legal fees
- $1,320
- Accounting fees
- $2,273
- Depreciation
- $99,526
- Program services (functional)
- $37,442
- Management and general (functional)
- $113,383
- Fundraising (functional)
- $2,413
Balance sheet and other
- Total assets, start of year
- $678,593
- Total assets, end of year
- $561,104
- Total liabilities, end of year
- $0
- Net assets, end of year
- $561,104
- Land, buildings and equipment
- $554,221
- Gross receipts
- $35,747
- Employees
- 1
- Volunteers
- 10
- Year formed
- 2023
- State of legal domicile
- VA
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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Margaret Ruxton | Executive Dir. Trustee or director, Officer | 20 | $6,250 |
| Mark Miller | Chairman Trustee or director | 1 | $0 |
| Scott Thompson | Director Trustee or director | 1 | $0 |
| Allen Shimada | Director Trustee or director | 1 | $0 |
| Dr Alexander More | Director Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Mark Miller | Chairman Trustee or director | 1 | $0 |
| Margaret Ruxton | Executive Dir. Trustee or director | 1 | $0 |
| Scott Thompson | Director Trustee or director | 1 | $0 |
| Allen Shimada | Director Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 8401 MAYLAND DRIVE S, RICHMOND, VA 23294-4648
- In care of
- % G MARK MILLER
- Mailing address (990-N for 2023)
- 104 N Galveston Street, Arlington VA 22203
- Principal officer (990-N for 2023)
- G Mark Miller, 104 N Galveston Street, Arlington VA 22203
- Signed the 990
- Margaret Ruxton, Executive Director
- Phone
- (786) 493-3111
- Return prepared by
- Castellon Professional Services PC
Mission
Greenwater Foundation provides leadership of marine conservation and humanitarian efforts undertaken by diverse organizations governments, universities, NGOs, and private companies by providing coordination of affordable vessels and science assets to achieve more efficient operations and larger collaboration all over the world.
Program accomplishments
- To provide leadership of marine conservation and humanitarian efforts undertaken by diverse organizationsExpenses $37,442 · revenue $22,500
What it must file and when
IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 92-1506279
- 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
- 2023
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Science and technology (U21)
- Assets (IRS master file)
- $561,104
- Income (IRS master file)
- $35,747
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $35,747 | $153,238 | $561,104 | XML |
| 990 | December 2024 | $1,238,127 | $564,734 | $678,593 | XML |
| 990-N for 2023 Officer: G Mark Miller | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
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 92-1506279).
Questions about GREENWATER FOUNDATION
- What is the EIN of GREENWATER FOUNDATION?
- The employer identification number (EIN) of GREENWATER FOUNDATION is 92-1506279.
- Is GREENWATER FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2023.
- Are donations to GREENWATER FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does GREENWATER FOUNDATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of GREENWATER 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 GREENWATER FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of GREENWATER FOUNDATION?
- The 990-N for 2023 names G Mark Miller.
- Who are the officers and directors of GREENWATER FOUNDATION?
- The 990 for the year ended December 31, 2025 lists 5 people; 1 received compensation from the organization, the highest $6,250 (Margaret Ruxton, Executive Dir.).
- How much revenue does GREENWATER FOUNDATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $35,747, expenses of $153,238 and total assets of $561,104 at year end.
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