Data / Nonprofits / Idaho / Caldwell / Environment
Environment nonprofits in Caldwell, ID: 5 registered with the IRS
5 environment nonprofits are registered with the IRS in Caldwell, ID, 4 of them 501(c)(3) charities.
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Idaho Interfaith Power & Light | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Owyhee Gardeners Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Polum Bolum Inc | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Southwest Idaho Dahlia Society | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| The Idaho State Horticultural Society Inc | 501(c)(5) | 2014 | $0 | $0 | 2025-12 |
Other causes in Caldwell, ID
- Education 35
- Human services 23
- Recreation and sports 21
- Religion-related 20
- Community improvement and capacity building 9
- Philanthropy, voluntarism and grantmaking foundations 9
- Youth development 6
- Arts, culture and humanities 6
- Crime and legal-related 6
- Mental health and crisis intervention 5
- Public and societal benefit 5
- Housing and shelter 4
- Science and technology 3
- Animal-related 3
- Employment 3
Every nonprofit in Caldwell, ID · 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.