Department of the Interior grants

Every open and upcoming grant from Department of the Interior, with deadlines, award amounts and eligibility.

37 open, 1 coming up

Due in October 2026

FY2026 Implementation of the Quagga and Zebra Mussel Action Plan (QZAP) in the Western United States

Department of the Interior $50K to $600K Small businesses eligible

Closes today
Cooperative Agreement for Affiliated Partner with the Southern Appalachian Cooperative Ecosystem Studies Unit (CESU)

Department of the Interior $1 to $330K Others (see eligibility details)

Closes in 6 days
F26AS00071 Cooperative Endangered Species Conservation Fund: Habitat Conservation Plan Land Acquisition Grants

Department of the Interior $10K to $26M State governments

Closes in 6 days
F25AS00332 Highlands Conservation Act – Competitive Funding Round

Department of the Interior $25K to $3.9M State governments

Closes in 7 days
F25AS00379 Highlands Conservation Act - Base Funding Round

Department of the Interior $25K to $2.3M State governments

Closes in 7 days

Due in November 2026

Exploring and Enhancing Outdoor and Heritage Tourism in the Chesapeake Bay Watershed

Department of the Interior $10K to $50K Small businesses eligible

Closes in 11 days
WATER RESOURCES RESEARCH ACT PROGRAM NATIONAL COMPETITIVE GRANTS FY2026 (104g General)

Department of the Interior Up to $120K Others (see eligibility details)

Closes in 19 days
Cooperative Agreement for affiliated Partner with Californian Cooperative Ecosystem Studies Unit

Department of the Interior $1 to $35K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for affiliated Partner with Chesapeake Watershed Cooperative Ecosystem Studies Unit

Department of the Interior $1 to $450K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for affiliated Partner with Great Lakes-Northern Forest Cooperative Ecosystem Studies Unit

Department of the Interior $1 to $485K Small businesses eligible

Closes in 21 days
Cooperative Agreement for affiliated Partner with Northern Great Plains Cooperative Ecosystem Studies Unit

Department of the Interior $1 to $450K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for affiliated Partner with Rocky Mountain Cooperative Ecosystem Studies Unit

Department of the Interior $1 to $100K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for Affiliated Partner with the Colorado Plateau Cooperative Ecosystem Studies Unit (CESU)

Department of the Interior $1 to $90K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for Affiliated Partner with the Great Lakes-Northern Forest Cooperative Ecosystem Studies Unit (CESU)

Department of the Interior $1 to $150K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for Affiliated Partner with the Hawaiʻi-Pacific Islands Cooperative Ecosystem Studies Unit (CESU)

Department of the Interior $1 to $435K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for Affiliated Partner with the North Atlantic Coast Cooperative Ecosystem Studies Unit (CESU)

Department of the Interior $1 to $350K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for Affiliated Partner with the Pacific Northwest Cooperative Ecosystem Studies Unit (CESU)

Department of the Interior $1 to $200K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for Affiliated Partner with the Pacific Northwest Cooperative Ecosystem Studies Unit (CESU)

Department of the Interior $1 to $360K Others (see eligibility details)

Closes in 21 days
Cooperative Agreement for Affiliated Partner with the Rocky Mountains Cooperative Ecosystem Studies Unit (CESU)

Department of the Interior $1 to $375K Others (see eligibility details)

Closes in 21 days
F26AS00030 Cooperative Endangered Species Conservation Fund: Recovery Land Acquisition Grant Program

Department of the Interior $10K to $14.2M State governments

Closes in 27 days
Native American Affairs: Fiscal Year 2025 Colorado River Basin Tribal Drought Resiliency Program

Department of the Interior $50K to $1M Federally recognized tribal governments

Closes in 27 days
F26AS00023 FY2026 Prescott Marine Mammal Rescue and Response Grant Program

Department of the Interior Up to $150K Nonprofits eligible

Closes Nov 30

Due in December 2026

F26AS00104 State ANS Management Plan 2026

Department of the Interior $5,000 to $150K State governments

Closes Dec 16
F26AS00083 Aquatic Invasive Species Grants to Great Lakes States - Fiscal Year 2026 Great Lakes Restoration Initiative

Department of the Interior $100K to $600K Small businesses eligible

Closes Dec 31
F26AS00084 Aquatic Invasive Species Grants to Great Lakes Tribes - Fiscal Year 2026 Great Lakes Restoration Initiative

Department of the Interior $20K to $100K Small businesses eligible

Closes Dec 31
F26AS00085 Aquatic Invasive Species Interjurisdictional Grants to the Great Lakes States and Tribes - Fiscal Year 2026 Great Lakes Restoration Initiative

Department of the Interior $20K to $924K Small businesses eligible

Closes Dec 31

Due in January 2027

National Parks Business Plan Internship

Department of the Interior Up to $1.7M Nonprofits eligible

Closes Jan 4, 2027
F26AS00088 Endangered Species Conservation – Wolf Livestock Loss Compensation and Prevention

Department of the Interior $10K to $675K Federally recognized tribal governments

Closes Jan 15, 2027

Due in April 2027

F26AS00105 National Fish Passage Program

Department of the Interior $1 to $1M Small businesses eligible

Closes Apr 30, 2027

Due in August 2027

Title XVI Water Reclamation and Reuse Projects

Department of the Interior $1,000 to $40M Others (see eligibility details)

Closes Aug 26, 2027
WaterSMART: Desalination Construction Projects

Department of the Interior $1,000 to $120M Others (see eligibility details)

Closes Aug 26, 2027

Due in September 2027

WaterSMART Enhancing Water Resources Projects

Department of the Interior $50K to $3M Others (see eligibility details)

Closes Sep 8, 2027

Due in December 2027

NPS Cooperative Ecosystems Studies Units (CESU) Master Cooperative Agreements

Department of the Interior Others (see eligibility details)

Closes Dec 31, 2027

Due in February 2028

WaterSMART Cooperative Watershed Management Program

Department of the Interior $50K to $300K Others (see eligibility details)

Closes Feb 15, 2028

Due in March 2029

F24AS00298 Cooperative Agriculture

Department of the Interior Small businesses eligible

Closes Mar 7, 2029

Due in November 2030

Outdoor Recreation Legacy Partnership Program (ORLP) Recurring Notice 5 Year

Department of the Interior $300K to $15M State governments

Closes Nov 1, 2030
Readiness and Recreation Initiative (RARI) – Recurring 5 Year Notice

Department of the Interior $250K to $3M State governments

Closes Nov 30, 2030

Coming up

Forecast by the funder but not open yet. Dates are estimates.

USDA/USDOI Joint Fire Science Program (JFSP)

Department of the Interior Small businesses eligible

Expected, date not set

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