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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees The Potomac Conservancy Inc. Katharine Blackman

Katharine Blackman

Highest compensated employee

Vice President of Programs and Operations at The Potomac Conservancy Inc.

Fiscal year ended September 30, 2024. Published on January 25, 2026.

$107,711

2024

Total compensation

Katharine Blackman has been listed as an employee of The Potomac Conservancy Inc. in Form 990 filings since fiscal year 2024.

Annual compensation details

$107,711

Vice President of Programs and Operations

2024

$104k

40 hrs/wk

$4k

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Total compensation by year

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Revisions to this profile

January 25, 2026:

2024 The Potomac Conservancy Inc. 990 published

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2024

Other employees at The Potomac Conservancy Inc.

Hedrick Belin

President

$203,530

$175,606 No related comp$27,924

Mary Vasse

Vice President, Development

$113,935

$110,028 No related comp$3,907

Melissa Diemand

Vice President, Communications

$107,135

$103,282 No related comp$3,853