Environment nonprofits in Maine

Environment nonprofits in Maine. Browse 497 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. 30 Mile River Watershed Association

    EIN 261526329 · Headquarters: Mount Vernon, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. 7 Lakes Alliance

    EIN 043047156 · Headquarters: Belgrade Lakes, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. A Climate to Thrive

    EIN 810836597 · Headquarters: MOUNT DESERT, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Acadia Center

    EIN 010518193 · Headquarters: Rockport, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Acton-Shapleigh Youth Conservation Corps

    EIN 204795221 · Headquarters: Springvale, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Adm Exploration Foundation Inc

    EIN 264151752 · Headquarters: North Yarmouth, ME, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  7. Alamoosook Lake Association

    EIN 475467746 · Headquarters: Orland, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Alford Lake Lermond Pond Association

    EIN 300800339 · Headquarters: Rockport, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Algae Foundation

    EIN 462312083 · Headquarters: POLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Allagash Atv Riders

    EIN 113777511 · Headquarters: ALLAGASH, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Almanac Region Land Trust

    EIN 850529567 · Headquarters: Springfield, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. American Rhododendron Society

    EIN 010434542 · Headquarters: Harpswell, ME, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  13. American Rose Society

    EIN 581783776 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  14. Anaskimin

    EIN 800482087 · Headquarters: Turner, ME, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  15. Androscoggin Land Trust Inc

    EIN 010452701 · Headquarters: AUBURN, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Androscoggin River Alliance

    EIN 331141968 · Headquarters: Lewiston, ME, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  17. Androscoggin River Watershedcouncil C/o Avcog

    EIN 204449646 · Headquarters: AUBURN, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Annabessacook Lake Improvement Association

    EIN 931496408 · Headquarters: Winthrop, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Arundel Conservation Trust

    EIN 830555017 · Headquarters: Kennebunkport, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Assoc of Us Delegates to the Gulf of Maine Council on the Marine Environment

    EIN 753215772 · Headquarters: Ogunquit, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Association to Promote and Protect the Lubec Environment

    EIN 861128993 · Headquarters: Lubec, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Augusta Trails

    EIN 943469294 · Headquarters: AUGUSTA, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Back River Alliance

    EIN 261186307 · Headquarters: Westport Island, ME, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  24. Bagaduce Watershed Association

    EIN 743057210 · Headquarters: Penobscot, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Bangor Area Storm Water Group Inc

    EIN 562585669 · Headquarters: Orono, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Bangor Beautiful Inc

    EIN 920296801 · Headquarters: BANGOR, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Bangor Greendrinks Inc

    EIN 460943227 · Headquarters: Bangor, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Bangor Land Trust

    EIN 330997433 · Headquarters: BANGOR, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Bath Community Garden

    EIN 562445746 · Headquarters: Bath, ME, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  30. Bauneg Beg Lake Association

    EIN 010400845 · Headquarters: North Berwick, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Beautify Rumford

    EIN 920504191 · Headquarters: Rumford, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Belfast Bay Watershed Coalition

    EIN 202286326 · Headquarters: Belfast, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Belfast Garden Club

    EIN 010545805 · Headquarters: Belfast, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Belgrade Rome Special Needs Food Pantry

    EIN 800440623 · Headquarters: BELGRADE, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Belize Conservation Group

    EIN 853393088 · Headquarters: NOBLEBORO, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Belize Federation of Fishers

    EIN 981520158 · Headquarters: DEER ISLE, ME, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  37. Berry Dexter Wilson Watershed Association

    EIN 842802407 · Headquarters: N Monmouth, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Between the Rivers Nature Center

    EIN 264625767 · Headquarters: BANGOR, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Bickford Place Road Corporation

    EIN 203059272 · Headquarters: Belgrade, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Biddeford Coastal Coalition

    EIN 562338659 · Headquarters: Biddeford Pool, ME, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  41. Biddeford Pool Land Trust

    EIN 016148805 · Headquarters: BIDDEFORD POOL, ME, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  42. Biodiversity Research Institute

    EIN 010515381 · Headquarters: PORTLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Bioregional Conservancy & Reclamation Trust

    EIN 016153292 · Headquarters: UNITY, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Blandings Park Wildlife Sanctuary

    EIN 371525240 · Headquarters: Biddeford, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Blue Hill Garden Club Inc

    EIN 571157496 · Headquarters: Blue Hill, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Blue Hill Heritage Trust

    EIN 222655830 · Headquarters: BLUE HILL, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Boothbay Civic Association Inc

    EIN 222819005 · Headquarters: Boothbay, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Boothbay Harbor Waterfront Preservation

    EIN 831192450 · Headquarters: Boothbay Harbor, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Boothbay Region Garden Club Inc

    EIN 200324602 · Headquarters: Boothbay, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Boothbay Region Land Trust

    EIN 010371869 · Headquarters: Boothbay Harbor, ME, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Boothbay Region Maritime Foundation

    EIN 831916460 · Headquarters: Boothbay Harbor, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Borneo Research Council

    EIN 208418924 · Headquarters: Phillips, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Brewer Land Trust

    EIN 331149382 · Headquarters: Brewer, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Brooklin Garden Club

    EIN 833450534 · Headquarters: Brooklin, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Brunswick Area Citizens for a Safe Environment

    EIN 510670765 · Headquarters: Brunswick, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Brunswick Downtown Association

    EIN 753131242 · Headquarters: Brunswick, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Brunswick-Topsham Land Trust Inc

    EIN 222714194 · Headquarters: Brunswick, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Bunganut Pond Association Inc

    EIN 364943934 · Headquarters: Alfred, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Camden Garden Club

    EIN 010383583 · Headquarters: CAMDEN, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Camden Hills Wildlife Trust

    EIN 993040968 · Headquarters: Camden, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Campaign Earth

    EIN 043701935 · Headquarters: Gorham, ME, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Cape Elizabeth Land Trust

    EIN 222736834 · Headquarters: Cape Elizabeth, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Casco Bay Trail Alliance

    EIN 842432839 · Headquarters: Yarmouth, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Casco-naples Earth Day Organization

    EIN 832538662 · Headquarters: Naples, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Cat Action Treasury Inc

    EIN 850435896 · Headquarters: CAPE NEDDICK, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Center for an Ecology Based Economy

    EIN 463113400 · Headquarters: Norway, ME, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  67. Center for Climate Adaptation Research

    EIN 833432356 · Headquarters: SACO, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Center for Ecological Teaching and Learning

    EIN 843232950 · Headquarters: Edmunds Township, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Chemo Pond Lake Association

    EIN 823104195 · Headquarters: Clifton, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Chewonki Foundation Inc

    EIN 010269460 · Headquarters: Wiscasset, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. China Region Lakes Alliance

    EIN 010498816 · Headquarters: China, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Chiputneticook Lakes International Conservancy

    EIN 030465585 · Headquarters: Orient, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Clary Lake Association

    EIN 010495730 · Headquarters: Whitefield, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Clearwater Lake Improvement Association

    EIN 352922168 · Headquarters: Farmington, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Clemons Pond Association

    EIN 273081722 · Headquarters: Hiram, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Cliff Island Coporation for Athletics & Conservation Education

    EIN 010351986 · Headquarters: Cliff Island, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Coastal Maine Botanical Gardens Inc

    EIN 010476545 · Headquarters: Boothbay, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Coastal Mountains Land Trust

    EIN 222795691 · Headquarters: Camden, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Coastal Recycling Corporation

    EIN 010458954 · Headquarters: Hancock, ME, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  80. Coastal Rivers Conservation Trust

    EIN 237303162 · Headquarters: Damariscotta, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Coastal Studies For Girls

    EIN 141920541 · Headquarters: Freeport, ME, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990

  82. Coastx

    EIN 992674132 · Headquarters: KITTERY POINT, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Cobbosseecontee Lake Association

    EIN 842081478 · Headquarters: Manchester, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Cobscook Bay Resource Center Inc

    EIN 010529806 · Headquarters: Eastport, ME, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Coggins Hill Preservation Association

    EIN 872114612 · Headquarters: UNION, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Cold Stream Campowners Association

    EIN 263875103 · Headquarters: Enfield, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Coleman Pond Association

    EIN 223045865 · Headquarters: Lincolnville, ME, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  88. Collaborative for Bioregional Action Learing & Transformation Inc

    EIN 933630457 · Headquarters: PORTLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  89. Collins Pond Improvement Association

    EIN 815352681 · Headquarters: Windham, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Community Conservation Initiative

    EIN 882387323 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Community Lakes Association

    EIN 300846239 · Headquarters: Greenwood, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Conservation Media Group

    EIN 812985353 · Headquarters: CAMDEN, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Covenant Community Land Trust Inc

    EIN 016061779 · Headquarters: Orland, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Crabtree Neck Land Trust

    EIN 100011413 · Headquarters: HANCOCK, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Craigs Pond Association

    EIN 203465981 · Headquarters: Bangor, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Cranberry Meadow Preserve

    EIN 843842904 · Headquarters: Belfast, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Crawford-pocomoonshine Watershed Association

    EIN 222760756 · Headquarters: Calais, ME, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  98. Crescent Lake Watershed Association

    EIN 263683137 · Headquarters: RAYMOND, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Damariscotta Lake Watershed Association

    EIN 010343953 · Headquarters: JEFFERSON, ME, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  100. Damariscotta Mills Fish Ladder Restoration

    EIN 331520758 · Headquarters: Nobleboro, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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