Nonprofit · EIN 13-3204621
RIVERKEEPER INC
Tax-exempt · OSSINING, NY 10562
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $5,707,926 | $5,302,890 | $405,036 | $4,781,884 | $312,156 | $4,469,728 |
| June 30, 2024 | 990 | $5,238,510 | $4,677,637 | $560,873 | $4,454,127 | $389,435 | $4,064,692 |
| June 30, 2023 | 990 | $4,370,702 | $4,299,455 | $71,247 | $3,924,883 | $421,064 | $3,503,819 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $4,976,643
- of which government grants
- $419,199
- Program service revenue
- $160
- Investment income
- $118,343
- Net income from fundraising events
- $610,720
- Other revenue
- $612,780
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $427,419
- Other salaries and wages
- $2,657,581
- Salaries, compensation and benefits (total)
- $3,801,970
- Professional fundraising fees
- $0
- Legal fees
- $26,909
- Accounting fees
- $24,740
- Occupancy
- $144,563
- Travel
- $48,054
- Depreciation
- $38,097
- Program services (functional)
- $3,526,220
- Management and general (functional)
- $657,819
- Fundraising (functional)
- $1,118,851
Balance sheet and other
- Total assets, start of year
- $4,454,127
- Total assets, end of year
- $4,781,884
- Total liabilities, end of year
- $312,156
- Net assets, end of year
- $4,469,728
- Land, buildings and equipment
- $215,307
- Net assets without donor restrictions
- $996,480
- Net assets with donor restrictions
- $3,473,248
- Gross receipts
- $5,856,389
- Employees
- 45
- Volunteers
- 2,503
- Year formed
- 1983
- State of legal domicile
- NY
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| LINDE OSTRO | FMR VICE PRESIDENT OF DEVELOPMENT Highest-paid employee | 40 | $204,676 | $31,031 |
| TRACY BROWN | PRESIDENT AND RIVERKEEPER Officer | 40 | $216,240 | $18,175 |
| ROBIN MEADOWS | CHIEF FINANCIAL AND OPERATING OFFICER Officer | 40 | $165,610 | $6,224 |
| NICHOLAS GROOMBRIDGE | CHAIR OF BOARD OF DIRECTORS Trustee or director, Officer | 3 | $0 | $0 |
| KARENNA GORE | VICE CHAIR OF BOARD OF DIRECTORS Trustee or director, Officer | 3 | $0 | $0 |
| MARTIN HAMPEL | TREASURER OF BOARD OF DIRECTORS Trustee or director, Officer | 3 | $0 | $0 |
| SARAH STREET | SECRETARY OF BOARD OF DIRECTORS Trustee or director, Officer | 3 | $0 | $0 |
| KATHARINE BUTLER | DIRECTOR Trustee or director | 3 | $0 | $0 |
| JOHN GARVER | DIRECTOR Trustee or director | 3 | $0 | $0 |
| AVERY GILBERT | DIRECTOR Trustee or director | 3 | $0 | $0 |
| JOY JAMES | DIRECTOR Trustee or director | 3 | $0 | $0 |
| ELLEN KOZAK | DIRECTOR Trustee or director | 3 | $0 | $0 |
| DALE KUTNICK | DIRECTOR Trustee or director | 3 | $0 | $0 |
| STEVE LIESMAN | DIRECTOR Trustee or director | 3 | $0 | $0 |
| TIMON MALLOY | DIRECTOR Trustee or director | 3 | $0 | $0 |
8 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARY MCNAMARA | DIRECTOR Trustee or director | 3 | $0 |
| JUDITH MOGUL | DIRECTOR Trustee or director | 3 | $0 |
| EMMANUEL MORLET | DIRECTOR Trustee or director | 3 | $0 |
| AKILA SIMON | DIRECTOR Trustee or director | 3 | $0 |
| GREGORY SIMPSON | DIRECTOR Trustee or director | 3 | $0 |
| ERNEST TOLLERSON | DIRECTOR Trustee or director | 3 | $0 |
| COLLEEN TROGISCH | DIRECTOR Trustee or director | 3 | $0 |
| JAN WYSOCKI | DIRECTOR Trustee or director | 3 | $0 |
990 for the year ended June 30, 2024: 26 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| LINDE OSTRO | VICE PRESIDENT OF DEVELOPMENT Highest-paid employee | 40 | $196,804 | $28,957 |
| TRACY BROWN | PRESIDENT AND RIVERKEEPER Officer | 40 | $201,833 | $15,511 |
| ROBIN MEADOWS | CHIEF FINANCIAL AND OPERATING OFFICER Officer | 40 | $153,000 | $6,049 |
| JOHN LIPSCOMB | VICE PRESIDENT AND BOAT CAPTAIN Highest-paid employee | 40 | $138,954 | $15,005 |
| ERNEST TOLLERSON | CHAIR OF BOARD OF DIRECTORS Trustee or director, Officer | 3 | $0 | $0 |
| NICHOLAS GROOMBRIDGE | VICE CHAIR OF BOARD OF DIRECTORS Trustee or director, Officer | 3 | $0 | $0 |
| MARTIN HAMPEL | TREASURER OF BOARD OF DIRECTORS Trustee or director, Officer | 3 | $0 | $0 |
| SARAH STREET | SECRETARY OF BOARD OF DIRECTORS Trustee or director, Officer | 3 | $0 | $0 |
| CAROLYN MARKS BLACKWOOD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| MEGAN BOONE | DIRECTOR Trustee or director | 3 | $0 | $0 |
| KATHARINE BUTLER | DIRECTOR Trustee or director | 3 | $0 | $0 |
| JOHN GARVER | DIRECTOR Trustee or director | 3 | $0 | $0 |
| AVERY GILBERT | DIRECTOR Trustee or director | 3 | $0 | $0 |
| KARENNA GORE | DIRECTOR Trustee or director | 3 | $0 | $0 |
| JOY JAMES | DIRECTOR Trustee or director | 3 | $0 | $0 |
| ELLEN KOZAK | DIRECTOR Trustee or director | 3 | $0 | $0 |
| DALE KUTNICK | DIRECTOR Trustee or director | 3 | $0 | $0 |
| TOM LEWIS | DIRECTOR Trustee or director | 3 | $0 | $0 |
| STEVE LIESMAN | DIRECTOR Trustee or director | 3 | $0 | $0 |
| TIMON MALLOY | DIRECTOR Trustee or director | 3 | $0 | $0 |
| MARY MCNAMARA | DIRECTOR Trustee or director | 3 | $0 | $0 |
| JUDITH MOGUL | DIRECTOR Trustee or director | 3 | $0 | $0 |
| EMMANUEL MORLET | DIRECTOR Trustee or director | 3 | $0 | $0 |
| CHIEF DWAINE PERRY | DIRECTOR Trustee or director | 3 | $0 | $0 |
| AKILA SIMON | DIRECTOR Trustee or director | 3 | $0 | $0 |
| GREGORY SIMPSON | DIRECTOR Trustee or director | 3 | $0 | $0 |
990 for the year ended June 30, 2023: 27 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| LINDE OSTRO | VICE PRESIDENT OF DEVELOPMENT Highest-paid employee | 40 | $192,945 | $26,946 |
| TRACY BROWN | PRESIDENT AND RIVERKEEPER Officer | 40 | $203,500 | $14,632 |
| ROBIN MEADOWS | CHIEF FINANCIAL AND OPERATING OFFICER Officer | 40 | $150,000 | $5,667 |
| JOHN LIPSCOMB | VICE PRESIDENT AND BOAT CAPTAIN Highest-paid employee | 40 | $136,365 | $13,167 |
| ERNEST TOLLERSON | CHAIR Trustee or director, Officer | 3 | $0 | $0 |
| NICHOLAS GROOMBRIDGE | VICE CHAIR Trustee or director, Officer | 3 | $0 | $0 |
| MARTIN HAMPEL | TREASURER Trustee or director, Officer | 3 | $0 | $0 |
| SARAH STREET | SECRETARY Trustee or director, Officer | 3 | $0 | $0 |
| CAROLYN MARKS BLACKWOOD | DIRECTOR Trustee or director | 3 | $0 | $0 |
| MEGAN BOONE | DIRECTOR Trustee or director | 3 | $0 | $0 |
| KATHARINE BUTLER | DIRECTOR Trustee or director | 3 | $0 | $0 |
| MARIA CASTANEDA | DIRECTOR Trustee or director | 3 | $0 | $0 |
| JOHN GARVER | DIRECTOR Trustee or director | 3 | $0 | $0 |
| AVERY GILBERT | DIRECTOR Trustee or director | 3 | $0 | $0 |
| KARENNA GORE | DIRECTOR Trustee or director | 3 | $0 | $0 |
| ALEXANDRA HERZAN | DIRECTOR Trustee or director | 3 | $0 | $0 |
| JOY JAMES | DIRECTOR Trustee or director | 3 | $0 | $0 |
| ELLEN KOZAK | DIRECTOR Trustee or director | 3 | $0 | $0 |
| DALE KUTNICK | DIRECTOR Trustee or director | 3 | $0 | $0 |
| TOM LEWIS | DIRECTOR Trustee or director | 3 | $0 | $0 |
| STEVE LIESMAN | DIRECTOR Trustee or director | 3 | $0 | $0 |
| TIMON MALLOY | DIRECTOR Trustee or director | 3 | $0 | $0 |
| MARY MCNAMARA | DIRECTOR Trustee or director | 3 | $0 | $0 |
| EMMANUEL MORLET | DIRECTOR Trustee or director | 3 | $0 | $0 |
| CHIEF DWAINE PERRY | DIRECTOR Trustee or director | 3 | $0 | $0 |
| AKILA SIMON | DIRECTOR Trustee or director | 3 | $0 | $0 |
| GREGORY SIMPSON | DIRECTOR Trustee or director | 3 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 20 SECOR RD, OSSINING, NY 10562-4645
- Principal officer (990 for 2024)
- TRACY BROWN, 20 SECOR ROAD, OSSINING, NY 10562
- Signed the 990
- MARTIN HAMPEL, TREASURER
- Phone
- (914) 478-4501
- Website
- WWW.RIVERKEEPER.ORG
- Return prepared by
- CONDON O'MEARA MCGINTY & DONNELLY LLP
Mission
SEE SCHEDULE O
Program accomplishments
- HABITAT RESTORATION AND WATER QUALITY PROGRAM - SEE SCHEDULE O.Expenses $1,391,176
- ADVOCACY AND PATROLS PROGRAM - SEE SCHEDULE O.Expenses $1,110,016
- LEGAL, CLIMATE AND ENERGY PROGRAM - SEE SCHEDULE O.Expenses $724,100 · revenue $160
- ANY OTHER PROGRAMS OR WORK THAT FALL OUTSIDE OF THE ABOVE THREE PROGRAMS.Expenses $300,928
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 13-3204621
- 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
- 1984
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C320)
- Assets (IRS master file)
- $4,781,884
- Income (IRS master file)
- $5,856,389
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $5,707,926 | $5,302,890 | $4,781,884 | XML |
| 990 | June 2024 | $5,238,510 | $4,677,637 | $4,454,127 | IRS |
| 990 | June 2023 | $4,370,702 | $4,299,455 | $3,924,883 | XML |
| 990 | June 2022 | $4,414,432 | $4,451,759 | $3,555,297 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | 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 13-3204621).
Questions about RIVERKEEPER INC
- What is the EIN of RIVERKEEPER INC?
- The employer identification number (EIN) of RIVERKEEPER INC is 13-3204621.
- Is RIVERKEEPER INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1984.
- Are donations to RIVERKEEPER INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does RIVERKEEPER INC 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 RIVERKEEPER INC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did RIVERKEEPER INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of RIVERKEEPER INC?
- The 990 for the year ended June 30, 2025 names TRACY BROWN.
- Who are the officers and directors of RIVERKEEPER INC?
- The 990 for the year ended June 30, 2025 lists 23 people; 3 received compensation from the organization, the highest $204,676 (LINDE OSTRO, FMR VICE PRESIDENT OF DEVELOPMENT).
- How much revenue does RIVERKEEPER INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $5,707,926, expenses of $5,302,890 and total assets of $4,781,884 at year end.
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