Environment nonprofits in South Dakota

Environment nonprofits in South Dakota. Browse 113 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. 29-90 Sportsmans Club

    EIN 911823803 · Headquarters: Sioux Falls, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. 84Th Infantry Div Railsplitters Society

    EIN 596158925 · Headquarters: Sioux Falls, SD, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  3. Association of National Grasslands Inc

    EIN 521331158 · Headquarters: Philip, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Badlands National Park Conservancy

    EIN 830728866 · Headquarters: RAPID CITY, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Badlands Resource Conservation and Development Area Council Inc

    EIN 460424711 · Headquarters: Cody Lake Township, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Bear Butte Creek Historical Preservation Council

    EIN 851403504 · Headquarters: Sturgis, SD, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Beautify Spearfish

    EIN 852036513 · Headquarters: Spearfish, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Belle Fourche River Watershed Partnership

    EIN 311743529 · Headquarters: BELLE FOURCHE, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Big Sioux Nursery Inc

    EIN 460442973 · Headquarters: WATERTOWN, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Black Hills 4 Wheelers

    EIN 460456636 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Black Hills Cave and Natural Conservancy

    EIN 843404766 · Headquarters: Rapid City, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Black Hills Flyfishers

    EIN 460376755 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Black Hills Jeeps

    EIN 510519097 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Black Hills Resource Conservation & Development Association Incorporat

    EIN 460420790 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  15. Brookings Wildlife Federation

    EIN 363428767 · Headquarters: Brookings, SD, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  16. Buffalo Nations Grasslands Alliance

    EIN 863303913 · Headquarters: Lower Brule, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Building Sustainable Connections

    EIN 881684571 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Burke Lake Restoration Committee Inc

    EIN 920510088 · Headquarters: BURKE, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Butterfly House & Aquarium Inc

    EIN 522370420 · Headquarters: SIOUX FALLS, SD, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  20. Camp Jorgensen

    EIN 260369953 · Headquarters: Meckling, SD, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Central Rockies Sustainable Forestry Education Program

    EIN 331028768 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Charles Mix County Lake Restoration Organization

    EIN 460413119 · Headquarters: LAKE ANDES, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Citizens Against Missouri River Pumped Storage Project Inc

    EIN 920251197 · Headquarters: Burke, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Clean Water Legacy

    EIN 470982430 · Headquarters: Rapid City, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Conata Conservation Trust

    EIN 820944203 · Headquarters: SCENIC, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Coteau Sports and Conservation Club

    EIN 460361592 · Headquarters: SISSETON, SD, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  27. Cows Condos Critters & Communities Association

    EIN 460459766 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  28. Crooks Conservation & Gun Club Inc

    EIN 460379605 · Headquarters: SIOUX FALLS, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Dakotas Chapter - International Society of Arboriculture

    EIN 850698987 · Headquarters: Aberdeen, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Defenders of the Black Hills Inc

    EIN 320117272 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Enemy Swim Preservation Association

    EIN 862442975 · Headquarters: WEBSTER, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Farwide Conservation Inc

    EIN 874476498 · Headquarters: Hecla, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Festival of Lights Parade Inc

    EIN 921307990 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Friends of Gavins Point National Fish Hatchery Inc

    EIN 870780969 · Headquarters: Yankton, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Friends of the Big Sioux River

    EIN 473343873 · Headquarters: SIOUX FALLS, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Friends of the Firesteel Llc

    EIN 842422700 · Headquarters: MITCHELL, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Friends of the Missouri National Recreational River

    EIN 474694038 · Headquarters: Tyndall, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Friends Of The Paha Sapa Grotto

    EIN 834525611 · Headquarters: Custer, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Great Plains Climbing Coalition

    EIN 882208693 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Great Plains Tribal Water Alliance

    EIN 204096132 · Headquarters: Pine Ridge, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Green Aberdeen

    EIN 811903877 · Headquarters: Aberdeen, SD, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  42. Greening Vermillion

    EIN 472162515 · Headquarters: Vermillion, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Habitat One

    EIN 995041440 · Headquarters: SPEARFISH, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Hill City Evergreen Garden Club

    EIN 462329251 · Headquarters: Hill City, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Ida South Dakota Inc

    EIN 821333601 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Ironfox Farm

    EIN 872005225 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Izaak Walton League of Amercia Inc

    EIN 460344281 · Headquarters: Madison, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Keep Hot Springs Beautiful

    EIN 562628184 · Headquarters: HOT SPRINGS, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Keep Yankton Beautiful Inc

    EIN 460461576 · Headquarters: YANKTON, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Kreyer Conservation

    EIN 874829823 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  51. Lake Campbell Improvement Assosciat Ion

    EIN 460366191 · Headquarters: Brookings, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Lake Herman Development Assoc Inc

    EIN 475233383 · Headquarters: Madison, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Lakota Women Initiative

    EIN 331341850 · Headquarters: Parmelee, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Lead City Beautification

    EIN 411974491 · Headquarters: Lead, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Little Spearfish Conservation & Historic Preservation Assoc

    EIN 311587760 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Maka Foundation

    EIN 364572801 · Headquarters: LOWER BRULE, SD, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  57. Mansfield Community Betterment Association

    EIN 363639889 · Headquarters: Mansfield, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Mccook Lake Izaak Walton League

    EIN 460404242 · Headquarters: NORTH SIOUX CITY, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Mccook Lake Recreation Area Association

    EIN 460366411 · Headquarters: MCCOOK LAKE, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Memorial Care Trust T-313 of Sunset

    EIN 466016409 · Headquarters: ABERDEEN, SD, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  61. Mid Missouri River Prescribed Burn Association

    EIN 811370825 · Headquarters: Gregory, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Minnehaha Master Gardeners

    EIN 932290232 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Missouri Breaks Chapter of the National Audubon Society Incorpora

    EIN 460350866 · Headquarters: Pierre, SD, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  64. Missouri Sedimentation Action Coalition

    EIN 460463028 · Headquarters: SPRINGFIELD, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Mothers Healing Garden

    EIN 204832831 · Headquarters: Dell Rapids, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Nature Partners Foundation

    EIN 990666381 · Headquarters: Hot Springs, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Norbeck Society

    EIN 203517046 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. North Central Resource Conservation and Developement Association Inc

    EIN 460361335 · Headquarters: Pierre, SD, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Northern Plains Grassland Reclamation Project

    EIN 273048442 · Headquarters: Ipswich, SD, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  70. Northern Prairies Land Trust

    EIN 460457858 · Headquarters: SIOUX FALLS, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Northwest South Dakota Regional Landfill Association Inc

    EIN 460425339 · Headquarters: LEMMON, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Operation Butterfly

    EIN 923493935 · Headquarters: Harrold, SD, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Organic Grassfed Beef Coalition

    EIN 204985262 · Headquarters: VERMILLION, SD, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  74. Pennington County Master Gardeners Inc

    EIN 352384635 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Pickerel Lake Conservancy

    EIN 454731685 · Headquarters: SIOUX FALLS, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Prairie Hills Audubon Society of Western South Dakota Inc

    EIN 411926033 · Headquarters: Black Hawk, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Preserve French Creek Inc

    EIN 922316254 · Headquarters: CUSTER, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  78. Punished Woman Lake Association

    EIN 920721779 · Headquarters: South Shore, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Quality of Life for South Dakota

    EIN 822153745 · Headquarters: MISSION HILL, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Randall Resource Conservation and Development Association Incorporat

    EIN 363497314 · Headquarters: Pickstown, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Rapid City Garden Club

    EIN 460375163 · Headquarters: RAPID CITY, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Rapid Creek Preservation Association Inc

    EIN 371542782 · Headquarters: Rapid City, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Recycle605

    EIN 831933795 · Headquarters: Vermillion, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Red Cloud Renewable

    EIN 811578843 · Headquarters: PINE RIDGE, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Rural Water Center Inc

    EIN 465763019 · Headquarters: MADISON, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Sawyer Memorial Park Trust Inc

    EIN 466062080 · Headquarters: Deadwood, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Scotland Lake Henry Association

    EIN 460432618 · Headquarters: Scotland, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Sd Agricultural Land Trust

    EIN 843127026 · Headquarters: PIERRE, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Second Century Habitat Fund Inc

    EIN 814526362 · Headquarters: PIERRE, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Seed Testing Research Foundation

    EIN 460512390 · Headquarters: BROOKINGS, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Sioux Empire Gem & Mineral Society

    EIN 460354495 · Headquarters: Canton, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Sodak Compost

    EIN 873958302 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. South Central Resource Conservation and Development

    EIN 460420820 · Headquarters: Murdo, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. South Dakota Arborists Association

    EIN 460403341 · Headquarters: Pierre, SD, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  95. South Dakota Association of Conservations Districts Inc

    EIN 466017029 · Headquarters: Pierre, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. South Dakota Envirothon Program Inc

    EIN 862922912 · Headquarters: Belle Fourche, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. South Dakota Family Forests Association

    EIN 237333341 · Headquarters: RAPID CITY, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. South Dakota High School Activities Association

    EIN 460226282 · Headquarters: PIERRE, SD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. South Dakota Lakes & Streams

    EIN 460423872 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. South Dakota Master Gardeners

    EIN 460446593 · Headquarters: HARTFORD, SD, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

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