Skip to the page

Data / Nonprofits / Connecticut / Washington DT / Environment

Environment nonprofits in Washington DT, CT: 4 registered with the IRS

4 environment nonprofits are registered with the IRS in Washington DT, CT, 4 of them 501(c)(3) charities; the 1 that report revenue took in $4.6 million. The largest by revenue: Steep Rock Association Inc ($4.6 million).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Steep Rock Association Inc501(c)(3)1943$4.6 million$32.4 million2025-09
Association for the Protection of C Onnecticut Lakes501(c)(3)2026
Federated Garden Clubs of Connecticut Inc501(c)(3)1967$0$02025-06
Financial Industry Climate Leadership Network LTD501(c)(3)2022$0$02024-12

Other causes in Washington DT, CT

Every nonprofit in Washington DT, CT · 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.