Data / Nonprofits / South Dakota / Sioux Falls / Environment
Environment nonprofits in Sioux Falls, SD: 15 registered with the IRS
15 environment nonprofits are registered with the IRS in Sioux Falls, SD, 14 of them 501(c)(3) charities; the 5 that report revenue took in $1.1 million. The largest by revenue: Northern Prairies Land Trust ($595,730), Friends of the Big Sioux River ($186,258), Pickerel Lake Conservancy ($140,844).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Northern Prairies Land Trust | 501(c)(3) | 2000 | $595,730 | $500,766 | 2025-08 |
| Friends of the Big Sioux River | 501(c)(3) | 2015 | $186,258 | $201,961 | 2025-12 |
| Pickerel Lake Conservancy | 501(c)(3) | 2013 | $140,844 | $431,700 | 2024-12 |
| Crooks Conservation & Gun Club Inc | 501(c)(4) | 2021 | $130,966 | $300,661 | 2025-09 |
| 29-90 Sportsmans Club | 501(c)(3) | 2001 | $7,582 | $25,939 | 2025-12 |
| Building Sustainable Connections | 501(c)(3) | 2022 | $0 | $0 | 2026-03 |
| Great Plains Climbing Coalition | 501(c)(3) | 2022 | $0 | $0 | 2026-05 |
| Grossnet | 501(c)(3) | 2025 | |||
| Ida South Dakota Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Ironfox Farm | 501(c)(3) | 2022 | $0 | $0 | 2026-01 |
| Minnehaha Master Gardeners | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Sodak Compost | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| South Dakota Lakes & Streams | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| Teen Lead Foundation | 501(c)(3) | 2025 | |||
| Water Is Life Corporation | 501(c)(3) | 2025 |
Other causes in Sioux Falls, SD
- Religion-related 126
- Education 108
- Philanthropy, voluntarism and grantmaking foundations 104
- Human services 98
- Recreation and sports 85
- Arts, culture and humanities 72
- Community improvement and capacity building 64
- Health care 63
- Public and societal benefit 28
- Youth development 25
- Food, agriculture and nutrition 19
- Mental health and crisis intervention 19
- Housing and shelter 17
- Animal-related 17
- Diseases, disorders and medical disciplines 16
- Crime and legal-related 14
- Mutual and membership benefit 12
- International, foreign affairs and national security 12
- Civil rights, social action and advocacy 11
- Employment 8
- Medical research 8
- Public safety, disaster preparedness and relief 6
- Science and technology 3
Every nonprofit in Sioux Falls, SD · 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.