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Best Stillwater Grants for Nonprofits in Oklahoma

Discover active funding opportunities in Stillwater for Nonprofits. 37,000+ grants are available for a wide range of missions and programs.

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Mensa Foundation: Copper Black Award

Mensa Education And Research Foundation
Private
Countries
US $1,000

About

Founded in 1971, the Mensa Foundation was established by members of American Mensa to extend the organization’s impact. While connected by a shared purpose, the Foundation operates independently, guided by its own Board of Trustees, strategic plan, and initiatives.

Awards

Cooper Black Award for Creativity

The Copper Black Award for Creative Achievement honors Mensa members whose innovative solutions and practical creativity have brought meaningful benefits to the world.

Details

The Copper Black Award annually recognizes Mensa International members who have demonstrated a specific creative achievement with practical value. This award honors innovations that have been implemented, at least in part, to benefit others.

Award Components

Humanities & Social Science STEM / STEAM Education

FY 2027 Continuation of Solicitation for the Office of Science Financial Assistance Program

United States Department of Energy (DOE)
Federal Government
American Samoa, Guam +4 more
US $5,000 - US $10,000,000
The FY 2027 Continuation of Solicitation invites applications to support various program areas, including Advanced Scientific Computing, Basic Energy Sciences, Fusion Energy Sciences, and more. This annual open solicitation from the Department of Energy (DOE) allows research proposals throughout the fiscal year. Applications must align with SC's mission and can be submitted until September 30, 2027, or until a new solicitation is issued. Detailed submission processes are outlined in 10 C.F.R. part 605.
Energy Science Physics +1 more

Dairy Business Innovation Initiatives Program (DBI) Fiscal Year 2026

USDA: Agricultural Marketing Service (AMS)
Federal Government
United States
US $2,300,000 - US $3,450,000
The Dairy Business Innovation Initiatives Program (DBI) for Fiscal Year 2026, administered by the USDA's Agricultural Marketing Service, invites applications from existing initiatives to support the dairy industry. With approximately $12.65 million available, the program aims to diversify dairy markets, enhance farmer income, and promote regional milk production. Funding will prioritize equipment and infrastructure projects, which are vital for strengthening the capacity of dairy businesses and fostering innovation in processing and marketing.
Agriculture Agricultural Economics Business Development

WATER RESOURCES RESEARCH ACT PROGRAM NATIONAL COMPETITIVE GRANTS FY2026 (104g General)

US Department of the Interior: Geological Survey (USGS)
Federal Government
American Samoa, Guam +5 more
Up to US $120,000
The Water Resources Research Act Program National Competitive Grants FY2026, administered by the U.S. Geological Survey, aims to support innovative research initiatives at Water Resources Research Institutes across the U.S. and its territories. These grants facilitate essential studies on water management, addressing critical water resource challenges while promoting collaboration among states. This program seeks to enhance the understanding of water issues, ultimately contributing to sustainable management practices and informed decision-making in water resource policy.
Hydrology Freshwater Conservation Environmental Policy

Fiscal Year 2026 Wildlife Crossings Pilot Program

DOT Federal Highway Administration
Federal Government
American Samoa, Guam +4 more
Unspecified amount
The Fiscal Year 2026 Wildlife Crossings Pilot Program aims to enhance public safety by reducing wildlife-vehicle collisions and improving habitat connectivity for various species. With approximately $80 million available through cost reimbursable grants, this initiative supports eligible projects that address these critical environmental and safety concerns. The program may also distribute leftover funds from previous years, contingent on availability, fostering innovative solutions in wildlife management and transportation safety.
Land / Habitat Conservation Community / Public Safety Wildlife Health +1 more

The Science, Mathematics and Research for Transformation (SMART) Scholarship for Service Program Cooperative Agreement

US DOD: Office of the Secretary of Defense
Federal Government
American Samoa, Guam +4 more
US $1,300,000,000
The SMART Scholarship-for-Service Program, managed by the Department of War, aims to enhance the U.S. military's technical workforce by offering competitive scholarships for STEM degrees. With a funding cap of $1.3 billion over ten years, the program prepares scholars for critical roles in national defense, ensuring a pipeline of skilled professionals. Since its inception in 2005, over 8,000 scholarships have been awarded, fostering a strong connection between education and service in defense-related fields.
Education - Higher Education Workforce Preparation & Job Readiness STEM / STEAM Education

Prioritization Process Pilot Program (PPPP) Competitive Grant Program

DOT Federal Highway Administration
Federal Government
American Samoa, Guam +4 more
Up to US $2,000,000
The Prioritization Process Pilot Program (PPPP) Competitive Grant Program, funded by the DOT Federal Highway Administration, offers up to $26 million for innovative transportation planning in FYs 2024-2026. Grants of up to $2 million will support the development of transparent, data-driven prioritization processes for project selection in transportation plans, ensuring that funded projects deliver public benefits and meet community needs.
Urban Planning Community Development & Revitalization Public Infrastructure

Assessing and Managing Manganese Behavior in Drinking Water Distribution and Premise Plumbing Systems RFP

Water Research Foundation
Private
Countries
Up to US $400,000

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

WRF was formed in 2018 through the integration of three highly respected research collaboratives: WateReuse Research Foundation, Water Environment Research Foundation, and Water Research Foundation. Separately, these organizations focused on research to support varied segments of the water sector—water reuse, wastewater and stormwater, and drinking water, respectively. Now a One Water organization, WRF delivers the research programming the sector needs to address the most pressing water issues holistically.

5425 - Assessing and Managing Manganese Behavior in Drinking Water Distribution and Premise Plumbing Systems

Grant Information

  • Characterize spatial and temporal variability of manganese (Mn) concentrations and speciation in distribution systems and potential impacts in premise plumbing.
  • Investigate Mn speciation and its influences on interactions with water chemistry, corrosion control treatment, and complexing agents, and assess implications for Mn occurrence, stability, and release in distribution systems and premise plumbing.
  • Evaluate the relationships between Mn stability and release, including long-term legacy deposit mobilization, in relation to chemical, hydraulic, and biological processes in distribution systems.
  • Evaluate strategies for mitigating Mn accumulation and release, including corrosion control treatments such as phosphate blends, and assess operational practices such as flushing and other system maintenance activities.
  • Recommend monitoring strategies to identify system-specific risks, support detection of Mn accumulation, and inform responses to anticipated regulatory changes.
Sanitation & Clean Drinking Water

Small Business Innovation Research and Small Business Technology Transfer Programs Phase II (364020)

USDA: National Institute of Food and Agriculture (NIFA)
Federal Government
American Samoa, Guam +4 more
US $600,000 - US $650,000
The USDA SBIR/STTR programs aim to enhance scientific excellence and technological innovation through federal funding, fostering a robust national economy. By supporting small businesses in addressing federal research needs, these programs encourage the commercialization of federally funded research. Specifically, the STTR program promotes partnerships between small businesses and research institutions, such as universities and federal laboratories, to advance cooperative research and development efforts.
Entrepreneurship Economic Services & Development Emerging Technology Development +1 more

Technical Assistance and Training Grant Program (364019)

USDA: Rural Utilities Service (RUS)
Federal Government
American Samoa, Guam +4 more
Unspecified amount
The Technical Assistance and Training Grant Program by the USDA's Rural Utilities Service provides funding for essential technical assistance and training aimed at resolving water and waste management issues. This program supports applicants in preparing loan and grant applications, enhancing the operational efficiency of water systems, and ensuring compliance with best practices in facility management. However, grant funds cannot be used for duplicating existing services or for capital expenditures.
Rural Development Public Infrastructure Fish Conservation

Solid Waste Management Grant Program (364018)

USDA: Rural Utilities Service (RUS)
Federal Government
American Samoa, Guam +4 more
Up to US $1,000,000
The Solid Waste Management Grant Program, administered by the USDA's Rural Utilities Service, invites applications for FY 2027 funding. This initiative aims to enhance solid waste management in rural communities through technical assistance and training. Eligible organizations can receive grants to develop sustainable waste management practices, addressing critical issues like water pollution and emerging contaminants, while promoting hazardous waste collection. This program supports operational improvements and capital financing applications to ensure long-term environmental health.
Freshwater Conservation Environmental Contamination & Pollution Environmental Health +1 more

HIV Prevention and Alcohol (R61/R33 Clinical Trials Optional)

US Dept. of Health & Human Services: National Institutes of Health (NIH)
Federal Government
American Samoa, Guam +4 more
Unspecified amount
The HIV Prevention and Alcohol R61/R33 funding opportunity aims to advance innovative HIV prevention strategies through a phased research approach. The R61 phase focuses on developing and pilot testing interventions, addressing key implementation questions for diverse populations. Following successful milestones, the R33 phase expands testing of these interventions and explores their effectiveness and sustainability, particularly in relation to alcohol use and related health issues.
Infectious & Parasitic Diseases HIV / AIDS Preventative Healthcare

ROSES 2025: A.18 Geosphere

National Aeronautics and Space Administration (NASA)
Federal Government
American Samoa, Guam +4 more
Unspecified amount
The NASA ROSES 2025: A.18 Geosphere program provides funding for research on solid-Earth processes across various scales. It aims to enhance understanding of the Earth's structure and dynamics, particularly in the core, mantle, and lithosphere. Key areas of focus include Earth Surface Properties, Crustal Dynamics, and Earth Interior. This initiative supports advancements in managing natural resources, assessing geohazards, and exploring the forces driving plate tectonics, ultimately contributing to improved hazard forecasting and mitigation strategies.
Earth Science Geology Disaster Preparedness

Distressed Cities Technical Assistance (DCTA) Program for Fiscal Years 2026 and 2027

US HUD: Office of Community Planning and Development (CPD)
Federal Government
American Samoa, Guam +4 more
US $400,000 - US $3,000,000
The Distressed Cities Technical Assistance (DCTA) Program provides competitive funding for eligible applicants to deliver technical assistance to local governments serving economically distressed communities of 50,000 or fewer residents. Selected awardees collaborate closely with HUD to enhance the capabilities of UGLG officials and staff, ensuring they effectively address community needs. Applicants may focus on broad HUD jurisdictions or specific areas as specified in the program's NOFO.
Economic Services & Development Community Development & Revitalization Rural Development

Unlocking Value and Opportunities from Carbon Flows in Water Utilities RFP

Water Research Foundation
Private
Canada, United States
Up to US $300,000

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5430 - Unlocking Value and Opportunities from Carbon Flows in Water Utilities

Grant Information

  • Identify carbon flows across drinking water, stormwater, wastewater, and advanced treatment systems. Carbon flows may include source water, stormwater, process emissions, process inputs, residuals, and biogas.
  • Identify the most relevant carbon recovery, capture, conversion, storage, and avoidance opportunities.
  • Evaluate value creation pathways, including products, avoided costs, and environmental attributes, and mechanisms and partnerships needed to put them into practice.
  • Assess how opportunities vary across system types and local contexts by focusing on more common scenarios for utilities.
  • Provide practical, research-based insights to support identification, prioritization, evaluation, and advancement of carbon management opportunities under site-specific conditions and constraints.
  • Evaluate implications for greenhouse gas (GHG) accounting, environmental attribute claims, and other potential benefits across pathways.
Water Resource Management Carbon / Greenhouse Gas Reduction Green Infrastructure

Practical Playbook for Adaptive Utility Capital Improvement Planning Under Deep Uncertainty RFP

Water Research Foundation
Private
Countries
Up to US $250,000

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5411 - Practical Playbook for Adaptive Utility Capital Improvement Planning Under Deep Uncertainty

Grant Information

  • Assess current utility practices for incorporating adaptive or flexible decision making into capital improvement planning (CIP) at the portfolio or programmatic level.
  • Identify where deep uncertainty most affects CIP decision points, including investment areas prone to lock-in or points of no return.
  • Document the institutional processes, frameworks, and governance structures that have enabled utilities to embed adaptive and flexible investment strategies.
  • Quantify how adaptive capital strategies compare to traditional CIP approaches in terms of lifecycle costs, rate stability, financial risk exposure, and avoided or deferred capital investments across a range of plausible future conditions.
  • Establish practical criteria to help utilities determine which types of capital investments are well suited for adaptive approaches.
  • Develop a practitioner-focused playbook that equips utilities to apply adaptive CIP in practice, including case studies, decision trees, trigger points, vulnerability assessment tools, financial and risk insights, and governance guidance.
  • Produce tiered recommendations that allow utilities to adopt adaptive CIP practices incrementally.
Water Resource Management Environmental Policy

Optimizing PFAS Treatment Systems for Multi-contaminant Removal and Operational Benefits RFP

Water Research Foundation
Private
Countries
Up to US $450,000

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5418 - Optimizing PFAS Treatment Systems for Multi-contaminant Removal and Operational Benefits

Project Objectives

Environmental Contamination & Pollution Water Resource Management Carbon / Greenhouse Gas Reduction

Investigation of Non-Point Sources of PFAS in Sewersheds and Potential Mitigation Strategies RFP

Water Research Foundation
Private
Countries
Up to US $250,000

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5426 - Investigation of Non-Point Sources of PFAS in Sewersheds and Potential Mitigation Strategies

Grant Information

  • Evaluate the impact of non-point or dispersed sources of per- and polyfluoroalkyl substances (PFAS) in the sewershed (including PFAS-contaminated groundwater infiltration) on PFAS mass loading to wastewater treatment plants.
  • Assess how PFAS loading from non-point or dispersed sources of PFAS in the sewershed may affect treatment efficiency and reuse water quality.
  • Improve understanding of PFAS precursor contributions.
  • Identify potential strategies to mitigate PFAS loading from non-point or disbursed sources of PFAS in the sewershed.
  • Water Resource Management Sanitation & Clean Drinking Water

    BJA FY 2026 Paul Coverdell Forensic Science Improvement- Competitive Grants Program

    US Department of Justice: National Institute of Justice (NIJ)
    Federal Government
    American Samoa, Guam +4 more
    Up to US $500,000
    The BJA FY 2026 Paul Coverdell Forensic Science Improvement- Competitive Grants Program aims to enhance forensic science and medical examiner/coroner services across the U.S. This funding opportunity supports state and local government laboratories in improving their capabilities to ensure justice and public safety. Applications are due by November 5, 2026, at 8:59 p.m. ET, promoting advancements in forensic practices to better serve law enforcement and communities.
    Crime & Justice Community / Public Safety

    BJA FY26 Paul Coverdell Forensic Science Improvement - Formula Grants Program

    US Department of Justice: National Institute of Justice (NIJ)
    Federal Government
    American Samoa, Guam +4 more
    Unspecified amount
    The BJA FY26 Paul Coverdell Forensic Science Improvement - Formula Grants Program supports state agencies in enhancing forensic science capabilities. The program aims to improve public safety by funding initiatives that strengthen forensic science and support law enforcement efforts. Eligible applicants can submit their full applications through JustGrants by November 6, 2026. This funding is crucial for addressing ongoing challenges in the justice system, including violent crime and public safety concerns.
    Crime & Justice Community / Public Safety

    OJJDP FY 2026 Multistate Mentoring Programs

    US DOJ: Office of Juvenile Justice & Delinquency Prevention (OJJDP)
    Federal Government
    American Samoa, Guam +4 more
    US $1,000,000 - US $4,000,000
    The OJJDP FY 2026 Multistate Mentoring Programs aims to provide crucial mentoring services to at-risk youth, helping them avoid delinquency and victimization. This funding opportunity emphasizes the importance of one-on-one, group, and peer mentoring approaches. The program aligns with the U.S. Department of Justice's commitment to public safety and juvenile justice reform, addressing the needs of vulnerable populations and fostering positive youth development.
    Youth Services Crime & Justice Youth Development & Leadership +1 more

    OJJDP FY 2026 Strengthening Internet Crimes Against Children (ICAC) Technological Investigative Capacity

    US DOJ: Office of Juvenile Justice & Delinquency Prevention (OJJDP)
    Federal Government
    American Samoa, Guam +4 more
    Up to US $675,000
    The OJJDP FY 2026 Strengthening Internet Crimes Against Children (ICAC) program aims to enhance the technological investigative capacity of ICAC task forces nationwide. Through this funding opportunity, the program will support the development and refinement of investigative tools and methods to combat child sexual abuse material, exploitation, and trafficking. The deadline for application submission is November 5, 2026, at 8:59 p.m. ET, emphasizing the urgency of addressing these critical issues.
    Crime & Justice Human Trafficking Crime Victim Services +1 more

    Fiscal Year (FY) 2027 Department of War (DoW) Multidisciplinary Research Program of the University Research Initiative (MURI) (363905)

    US DOD: U.S. Army Materiel Command
    Federal Government
    American Samoa, Guam +4 more
    Up to US $7,500,000
    The FY 2027 Department of War Multidisciplinary Research Program (MURI) funds U.S. academic teams engaged in innovative basic research addressing future defense challenges. Established in 1985, MURI emphasizes collaboration across multiple scientific disciplines to tackle complex, DoW-relevant issues. By fostering partnerships among faculty, postdoctoral researchers, and students, the program aims to advance the U.S. defense industrial base and nurture a skilled scientific workforce, contributing to significant breakthroughs in military technology and economic growth.
    Engineering Science Workforce Preparation & Job Readiness +1 more

    OJJDP FY 2026 Victims of Child Abuse Act Training and Technical Assistance for Child Abuse Professionals

    US DOJ: Office of Juvenile Justice & Delinquency Prevention (OJJDP)
    Federal Government
    American Samoa, Guam +4 more
    Up to US $2,850,000
    The OJJDP FY 2026 Victims of Child Abuse Act Training and Technical Assistance program aims to enhance the skills of child abuse professionals. This initiative will promote coordinated investigations and improve intervention strategies for child abuse victims. By providing essential training on effective interviewing, investigative techniques, and interagency collaboration, the program seeks to elevate the quality of care and support available to affected children and families. Applications are due by November 5, 2026.
    Youth Services Crime & Justice Crime Victim Services

    BJA FY 2026 Rural Violent Crime Reduction Initiative

    Bureau of Justice Assistance
    Federal Government
    American Samoa, Guam +4 more
    Up to US $250,000
    The BJA FY 2026 Rural Violent Crime Reduction Initiative aims to empower local law enforcement in rural areas to combat violent crime effectively. This funding opportunity provides resources for personnel, technology, and data analytics to enhance crime prevention strategies. Eligible applicants can utilize updated equipment and training to address specific violent crime challenges, ensuring safer communities through innovative approaches and strategic resource allocation. Applications are due by November 6, 2026.
    Crime & Justice Rural Development Community / Public Safety +1 more

    Fiscal Year (FY) 2027 Department of War Multidisciplinary Research Program of the University Research Initiative (MURI)

    US DOD: Dept. of the Navy, Office of the Chief of Naval Research
    Federal Government
    American Samoa, Guam +4 more
    Unspecified amount
    The Fiscal Year 2027 Department of War Multidisciplinary Research Program aims to fund innovative research teams from U.S. universities. Established in 1985, this initiative addresses complex challenges faced by the Department of War, fostering collaboration across various scientific disciplines. By integrating world-class faculty and graduate students, the program seeks to cultivate a skilled workforce poised to enhance the U.S. defense capabilities and contribute to the advancement of the defense industrial base.
    Engineering Education - Higher Education Science +1 more

    BJA FY 2026 Students, Teachers, and Officers Preventing (STOP) School Violence Program

    US DOJ: Office of Justice Programs
    Federal Government
    American Samoa, Guam +4 more
    Up to US $2,000,000
    The BJA FY 2026 Students, Teachers, and Officers Preventing (STOP) School Violence Program aims to enhance school safety by funding initiatives that train staff and students, develop threat assessment teams, and implement technology solutions like anonymous reporting systems. This program supports effective strategies to identify and mitigate risks of school violence, ensuring students have the tools necessary to foster a secure learning environment while adhering to the guidelines set forth by the STOP School Violence Act.
    Community / Public Safety Violence Prevention School Safety +1 more

    Stillwater Grants for Nonprofits Highlights

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    Last updated: October 5, 2026. Next update: November 1, 2026.