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Department of the Interior grants

Browse 26 open Department of the Interior funding opportunities from grants.gov. See deadlines and award amounts, then find the ones you qualify for.

Open grants from this agency

• F26AS00062: Great Lakes Fish and Wildlife Restoration Act FY 2026
  Fish and Wildlife Service · closes Oct 13, 2026
• FY26 Bureau of Land Management Youth Conservation Corps - Bureau wide      
  Bureau of Land Management · closes Oct 16, 2026
• FY2026 Implementation of the Quagga and Zebra Mussel Action Plan (QZAP) in the Western United States
  Fish and Wildlife Service · closes Oct 24, 2026
• F26AS00071 Cooperative Endangered Species Conservation Fund: Habitat Conservation Plan Land Acquisition Grants
  Fish and Wildlife Service · closes Oct 30, 2026
• Cooperative Agreement for Affiliated Partner with the Southern Appalachian Cooperative Ecosystem Studies Unit (CESU)
  Geological Survey · closes Oct 30, 2026
• F25AS00332 Highlands Conservation Act – Competitive Funding Round
  Fish and Wildlife Service · closes Oct 31, 2026
• F25AS00379 Highlands Conservation Act - Base Funding Round
  Fish and Wildlife Service · closes Oct 31, 2026
• Exploring and Enhancing Outdoor and Heritage Tourism in the Chesapeake Bay Watershed
  National Park Service · closes Nov 4, 2026
• WATER RESOURCES RESEARCH ACT PROGRAM NATIONAL COMPETITIVE GRANTS FY2026 (104g General)
  Geological Survey · closes Nov 12, 2026
• F26AS00030 Cooperative Endangered Species Conservation Fund: Recovery Land Acquisition Grant Program
  Fish and Wildlife Service · closes Nov 20, 2026
• Native American Affairs: Fiscal Year 2025 Colorado River Basin Tribal Drought Resiliency Program
  Bureau of Reclamation · closes Nov 20, 2026
• F26AS00023 FY2026 Prescott Marine Mammal Rescue and Response Grant Program
  Fish and Wildlife Service · closes Nov 30, 2026
• F26AS00104 State ANS Management Plan 2026
  Fish and Wildlife Service · closes Dec 16, 2026
• F26AS00084 Aquatic Invasive Species Grants to Great Lakes Tribes - Fiscal Year 2026 Great Lakes Restoration Initiative
  Fish and Wildlife Service · closes Dec 31, 2026
• F26AS00083 Aquatic Invasive Species Grants to Great Lakes States - Fiscal Year 2026 Great Lakes Restoration Initiative
  Fish and Wildlife Service · closes Dec 31, 2026
• F26AS00085 Aquatic Invasive Species Interjurisdictional Grants to the Great Lakes States and Tribes - Fiscal Year 2026 Great Lakes Restoration Initiative
  Fish and Wildlife Service · closes Dec 31, 2026
• National Parks Business Plan Internship
  National Park Service · closes Jan 4, 2027
• F26AS00105 National Fish Passage Program
  Fish and Wildlife Service · closes Apr 30, 2027
• WaterSMART: Desalination Construction Projects
  Bureau of Reclamation · closes Aug 26, 2027
• Title XVI Water Reclamation and Reuse Projects
  Bureau of Reclamation · closes Aug 26, 2027
• WaterSMART Enhancing Water Resources Projects
  Bureau of Reclamation · closes Sep 8, 2027
• NPS Cooperative Ecosystems Studies Units (CESU) Master Cooperative Agreements
  National Park Service · closes Dec 31, 2027
• WaterSMART Cooperative Watershed Management Program
  Bureau of Reclamation · closes Feb 15, 2028
• F24AS00298 Cooperative Agriculture
  Fish and Wildlife Service · closes Mar 7, 2029
• Outdoor Recreation Legacy Partnership Program (ORLP) Recurring Notice 5 Year
  National Park Service · closes Nov 1, 2030
• Readiness and Recreation Initiative (RARI) – Recurring 5 Year Notice
  National Park Service · closes Nov 30, 2030

About Department of the Interior grants

The Department of the Interior posts federal funding opportunities on grants.gov throughout the year. This page tracks the 26 currently open, refreshed daily, so you can see live deadlines in one place instead of searching the federal portal.

Award sizes and eligibility vary by program. Before applying, confirm your organization is registered in SAM.gov and check each opportunity's eligibility on grants.gov. Grant Match can tell you which of these Department of the Interior grants fit your organization in seconds.

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