Data / Nonprofits / California / Riverside / Environment
Environment nonprofits in Riverside, CA: 21 registered with the IRS
21 environment nonprofits are registered with the IRS in Riverside, CA, 21 of them 501(c)(3) charities; the 10 that report revenue took in $13.8 million. The largest by revenue: Santa Ana Watershed Association of RCDS ($4 million), International Conservation Foundation ($3.9 million), Southwest Resource Management Association ($3.1 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
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Santa Ana Watershed Association of RCDS | 501(c)(3) | 2003 | $4 million | $4.3 million | 2024-12 |
| International Conservation Foundation | 501(c)(3) | 2022 | $3.9 million | $238,130 | 2025-06 |
| Southwest Resource Management Association | 501(c)(3) | 2012 | $3.1 million | $50.8 million | 2025-06 |
| Rivers & Lands Conservancy | 501(c)(3) | 1989 | $2.4 million | $69.9 million | 2025-03 |
| Rural Association of Mead Valley | 501(c)(3) | 2021 | $186,236 | $196,000 | 2025-12 |
| Inland Empire Kids Outdoors | 501(c)(3) | 2020 | $101,392 | $3,961 | 2025-07 |
| Solid Waste Association of North America Inc | 501(c)(3) | 1986 | $62,628 | $111,236 | 2025-09 |
| Citizens United for Resources and Environment Inc | 501(c)(3) | 2001 | $54,002 | $703,661 | 2024-12 |
| Uganda-Saint Bruno Water and Energy Project Inc | 501(c)(3) | 2021 | $25,073 | $38,304 | 2024-12 |
| Friends of Riversides Hills | 501(c)(3) | 2010 | $20,718 | $738,710 | 2025-12 |
| Adult Work Experiences | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Canyon Lake Community Gardeners | 501(c)(3) | 2022 | $0 | $0 | 2023-03 |
| Friends of the Arrowhead Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Gates Cactus and Succulent Society | 501(c)(3) | 2019 | $0 | $0 | 2026-06 |
| Greenergypedia | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Grid Alternatives | 501(c)(3) | 2014 | |||
| Inland Urban Forest Council | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Patriot Farms Ca | 501(c)(3) | 2025 | |||
| R-Now | 501(c)(3) | 2023 | |||
| Repeat Reuse Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Wild Dominica Conservancy | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
Other causes in Riverside, CA
- Religion-related 285
- Human services 173
- Education 160
- Recreation and sports 94
- Arts, culture and humanities 80
- Community improvement and capacity building 56
- Philanthropy, voluntarism and grantmaking foundations 53
- Mental health and crisis intervention 43
- Health care 37
- Youth development 34
- Animal-related 33
- Housing and shelter 32
- Public and societal benefit 32
- Crime and legal-related 22
- International, foreign affairs and national security 20
- Employment 17
- Food, agriculture and nutrition 10
- Mutual and membership benefit 9
- Public safety, disaster preparedness and relief 8
- Civil rights, social action and advocacy 7
- Medical research 6
- Science and technology 4
Every nonprofit in Riverside, CA · 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.