The Potomac Conservancy Inc
Potomac Conservancy safeguards the land and waters of the potomac river and its tributaries and connects people to this national treasure.
The Potomac Conservancy Inc at a glance
In short: The Potomac Conservancy Inc reported $3K in grants paid in 2025 (a total; its filing lists no individual grants). Source: 2025 IRS Form 990.
- Grants paid (2025)
- $2,529 — reported as a total on the IRS filing, without an itemized list
- -2.8% vs 2024
- Total assets
- $3,404,656
- -10.6% vs 2024
- Revenue (2025)
- $2,484,325
- -8.8% vs 2024
- Net investment income (2025)
- $41,877
- +35.2% vs 2024
- Expenses (2025)
- $2,870,024
- +12.2% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated October 2026.
Who The Potomac Conservancy Inc funds
How this funder distributes its grants
Grant Size Distribution
2 grants across all recorded years
The most common grant size was in the $100–250K range: 1 grant of 2 (50%).
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $3K (2025) to $1.5M (2021). In 2025 it reported $3K in grants paid, as a total without an itemized list.
Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Churchill Community Foundation Germantown, MD | Stream Restoration/Conservation | $1,406,262 |
| Alliance for the Shenandoah Valley New Market, VA | Restoration/Conservation | $125,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $3,404,656 | $2,484,325 | $2,870,024 | $2,529 | Total only | $41,877 |
| 2024 | $3,810,361 | $2,723,850 | $2,558,887 | $2,603 | Total only | $30,981 |
| 2023 | $3,689,946 | $2,836,611 | $2,211,109 | $5,132 | Total only | $11,445 |
| 2022 | $2,890,201 | $2,406,622 | $1,747,165 | $3,000 | Total only | $9,087 |
| 2021 | $2,434,845 | $3,377,955 | $2,763,798 | $1,531,262 | 2 | $5,271 |
| 2020 | $1,602,437 | $2,286,876 | $1,618,809 | — | — | $6,226 |
| 2019 | $878,161 | $1,486,819 | $1,208,582 | $10,625 | 1 | $7,371 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About The Potomac Conservancy Inc
Based on IRS filings
The Potomac Conservancy Inc is a public charity focused on Environment & Animals, based in Bethesda, MD. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $3.4M in total assets. In 2025, it reported $3K in grants paid as a total on its IRS filing, without an itemized list. Net investment income was $42K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
The Potomac Conservancy Inc is led by Hedrick Belin, President on every filing since 2019; 3 of 21 officers listed in 2025 are compensated.
Officers on the 2025 filing
Hedrick Belin
President
On filings since 2019
40 hrs/week
$141K (2019) → $207K (2025)
John Froemming
Board Chair
Director → Chair, 2022
Chair → Board Chair, 2023
On filings since 2019
10 hrs/week
No compensation reported
Devereux Socas
Director
On filings since 2019
10 hrs/week
No compensation reported
Laura Griffen
Director
On filings since 2019
10 hrs/week
No compensation reported
Liz Birnbaum
Director
On filings since 2020
10 hrs/week
No compensation reported
Stephanie Flack
Director
On filings since 2020
10 hrs/week
No compensation reported
Kamil Cook
Director
On filings since 2021
10 hrs/week
No compensation reported
Adam Barnard
Director
On filings since 2022
10 hrs/week
No compensation reported
Kurt Newman
Director
On filings since 2022
10 hrs/week
No compensation reported
Rodney Bartgis
Director
On filings since 2022
10 hrs/week
No compensation reported
Affie Ambrose
Director
On filings since 2023
10 hrs/week
No compensation reported
Ayeisha Brinson
Director
On filings since 2023
10 hrs/week
No compensation reported
Jeff Franco
Director
On filings since 2023
10 hrs/week
No compensation reported
Betsy Otto Start
Director
New on the 2025 filing
10 hrs/week
No compensation reported
John Morton Start
Director
New on the 2025 filing
10 hrs/week
No compensation reported
Tim Cullen
Director
New on the 2025 filing
10 hrs/week
No compensation reported
Melissa Diemand
Vice President of Communications
On filings since 2024
40 hrs/week
$103K (2024) → $122K (2025)
Katie Blackman
Vice President of Programs
New on the 2025 filing
40 hrs/week
$121K (2025)
Barksdale Penick
Treasurer
Director → Treasurer, 2022
On filings since 2019
10 hrs/week
No compensation reported
Georgia Nassikas
Vice Chair
Secretary → Vice Chair, 2022
On filings since 2019
10 hrs/week
No compensation reported
Angie Woo Sosdian
Secretary
Director → Secretary, 2024
On filings since 2021
10 hrs/week
No compensation reported
Former officers (17)
- Former: Michelle Tetreault (2020–2024) — Director
- Former: Elizabeth Maclin (2021–2024) — Director
- Former: Mary Vasse (2023–2024) — Vice President of Development
- Former: Katharine Blackman (2024) — Vice President of Programs & Operations
- Former: Kenny Mendez (2019–2023) — Secretary · Filing note: Ended feb 23
- Former: Jeffrey Franco (2020–2022) — Director
- Former: Cheryl Campbell (2019–2021) — Director
- Former: Donald Ayer (2019–2021) — Director
- Former: Helen Morrison (2019–2021) — Treasurer
- Former: Philip Tabas (2019–2021) — Vice Chair
- Former: Rebecca Wodder (2019–2021) — Chair
- Former: Robert Hirsch (2021) — Director
- Former: Bob Hirsch (2019–2020) — Director
- Former: Heidi Fahey (2019–2020) — Director
- Former: Jason Green (2019–2020) — Director
- Former: Kristen Grimm (2019–2020) — Director
- Former: Lawrence Weinberg (2019–2020) — Chair
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $207K, to Hedrick Belin (President). 3 officers or directors reported compensation on that filing.
Frequently asked questions about The Potomac Conservancy Inc
How much does The Potomac Conservancy Inc give each year?
The Potomac Conservancy Inc reported $3K in grants paid in 2025 on its 2025 IRS Form 990, as a total without an itemized list of grants. In 2024 it reported $3K in grants paid.
How large is The Potomac Conservancy Inc?
The Potomac Conservancy Inc reported $3.4M in total assets on its 2025 IRS Form 990. Its revenue that year was $2.5M.
What is The Potomac Conservancy Inc?
The Potomac Conservancy Inc is a public charity focused on Environment & Animals, based in Bethesda, MD. It holds $3.4M in total assets as of 2025.
Where does The Potomac Conservancy Inc operate?
The Potomac Conservancy Inc has awarded grants in Maryland, Virginia.
What is The Potomac Conservancy Inc's EIN?
The Potomac Conservancy Inc's EIN (Employer Identification Number) is 52-1842501. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990 filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS May 17, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 4, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS June 14, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS August 12, 2025)
- Added Form 990 for fiscal year 2019 (received by the IRS March 23, 2020)
- Added Form 990 for fiscal year 2025 (received by the IRS May 27, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in The Potomac Conservancy Inc's focus areas in our free grants database
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