Data / Nonprofits / Idaho / Post Falls / Environment
Environment nonprofits in Post Falls, ID: 4 registered with the IRS
4 environment nonprofits are registered with the IRS in Post Falls, ID, 4 of them 501(c)(3) charities; the 2 that report revenue took in $131,974. The largest by revenue: Concerned Citizens Protecting the Spokane River ($95,963), Idaho Washington Aquifer Collaborative Inc ($36,011).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Concerned Citizens Protecting the Spokane River | 501(c)(3) | 2025 | $95,963 | $21,359 | 2025-12 |
| Idaho Washington Aquifer Collaborative Inc | 501(c)(3) | 2023 | $36,011 | $24,818 | 2025-12 |
| The@adventurers Guild Inc | 501(c)(3) | 2026 | |||
| Western Mining Preservation | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
Other causes in Post Falls, ID
- Religion-related 32
- Recreation and sports 26
- Education 21
- Human services 16
- Arts, culture and humanities 9
- Animal-related 8
- Youth development 7
- Housing and shelter 5
- Health care 4
- Public and societal benefit 4
- Mental health and crisis intervention 4
- Diseases, disorders and medical disciplines 3
- Community improvement and capacity building 3
- Employment 3
- Science and technology 3
- Philanthropy, voluntarism and grantmaking foundations 3
Every nonprofit in Post Falls, 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.