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Data / Nonprofits / Massachusetts / Wellfleet / Environment

Environment nonprofits in Wellfleet, MA: 6 registered with the IRS

6 environment nonprofits are registered with the IRS in Wellfleet, MA, 6 of them 501(c)(3) charities; the 2 that report revenue took in $2 million. The largest by revenue: Friends of Herring River Wellfleet-Truro ($1.6 million), Wellfleet Conservation Trust ($446,828).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Friends of Herring River Wellfleet-Truro501(c)(3)2009$1.6 million$751,1592025-12
Wellfleet Conservation Trust501(c)(3)1986$446,828$14.1 million2024-12
Commonskeepers Inc501(c)(3)2026$0$02026-04
Friends of Wellfleet Ponds501(c)(3)2025$0$02025-12
New England Chapter of the Society for Ecological Restoration501(c)(3)2009$0$02026-01
Wellfleet Arbor Committee Inc501(c)(3)2018$0$02024-12

Other causes in Wellfleet, MA

Every nonprofit in Wellfleet, MA · Environment nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.