Dobbs Ferry, NY

Friends of the Old Croton Aqueduct, Inc.

EIN 13-3570850

Environment & Animal Welfare Parks, Trails & Green Spaces

Mission

To protect, preserve, and promote the Old Croton Aqueduct and its trail in both Westchester County and New York City, and to secure the resources and public awareness necessary to keep this historic greenway unspoiled in perpetuity.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

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About Friends of the Old Croton Aqueduct, Inc.

Friends of the Old Croton Aqueduct, Inc. (FOCA) is a volunteer, donor-supported 501(c)(3) based in Dobbs Ferry, NY that advocates for, stewards, and interprets the 41-mile Old Croton Aqueduct historic greenway. The organization operates the Keeper’s House visitor center, publishes maps and guides, and runs public programming including guided walks, cleanups, and community events. Founded and tax-exempt in 1990, FOCA partners with New York State Parks and New York City agencies to fund and carry out conservation and preservation projects (stone wall repair, invasive plant removal, trail signage and step reconstruction), runs educational outreach for families and schools, and maintains an active calendar of events and volunteer stewardship work in the last several years.

Notable achievements

Keeper’s House restoration

Led the multi-year rehabilitation of the 1840s Keeper’s House in Dobbs Ferry (rehabilitation completed in 2016), returning the building to use as FOCA’s visitor center and exhibition space and preserving an important historic asset.

Native-plant restoration

Commissioned and implemented invasive-plant removal and native-planting work along the trail, removing more than two tons of invasive species and planting over 500 native plants to restore habitat and trail ecology.

Trail infrastructure & access improvements

Designed, fundraised for, and rebuilt a hazardous trail section (Cedar and Main steps) to improve safety and accessibility; also funded and installed wayfinding signage and supported projects that improved trail connections (including work related to the High Bridge reopening).

At a glance

Total assets: $308K
Annual revenue: $213K
Tax status: 501(c)(3)Public charity
EIN: 13-3570850
Location: Dobbs Ferry, NY
Website: aqueduct.org
On Mahalo since: May 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

Recipient of a 2016 New York State Preservation Award for the Keeper’s House restoration.

Awarded a 2016 Greater Hudson Heritage Network Award for Excellence for the Keeper’s House rehabilitation.

Listed and rated by major nonprofit databases and evaluators (appears on Charity Navigator with a two‑star profile) and recognized as a partner by New York State Parks and related heritage organizations.

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