Grants & Funding Opportunities
Explore current state and federal funding opportunities supporting water treatment, desalination, reuse, infrastructure, watershed collaboration, and technical assistance.
Last updated: August 11, 2026
Federal Funding Opportunities
Desalination and Water Purification Research Program: Research Projects OPEN
Bureau of Reclamation • Opportunity R26AS00052
Due Sept. 29, 2026
Supports innovative laboratory- and pilot-scale research that reduces the cost, energy requirements, and other barriers to treating impaired water for beneficial use. Projects should demonstrate broad applicability and a pathway toward commercialization.
$5.7M available $100K-$800K per award No cost share 15 expected awards
Eligible applicants: Public and private institutions of higher education, state and local governments, Tribal governments and organizations, nonprofits, businesses, individuals, and other eligible entities. Federal agencies and foreign entities are not eligible.
View Opportunity on Simpler.Grants.gov →
WaterSMART Desalination Construction Projects OPEN
Bureau of Reclamation • Opportunity R26AS00034
Round 1: Aug. 26, 2026
Supports construction of eligible ocean or brackish-water desalination projects. Projects must meet federal feasibility and program requirements.
$120M available Up to 25% federal share 75% non-federal match 10 expected awards
Eligible applicants: Sponsors of eligible ocean or brackish-water desalination projects with feasibility studies that meet Reclamation requirements.
View Opportunity →
WaterSMART Title XVI Water Reclamation and Reuse Projects OPEN
Bureau of Reclamation • Opportunity R26AS00079
Round 1: Aug. 26, 2026
Supports eligible water-reclamation and reuse projects that develop and supplement local water supplies.
$40M available Up to $20M-$40M 75% non-federal match 10 expected awards
Eligible applicants: States, Tribes, municipalities, irrigation, water, and wastewater districts, and other organizations with water or power-delivery authority sponsoring eligible projects. Higher-education institutions are not eligible to apply directly.
View Opportunity →
WaterSMART Enhancing Water Resources Projects OPEN
Bureau of Reclamation • Opportunity R26AS00017
Round 1: Sept. 9, 2026
Supports projects that enhance water supplies, improve water-resource management, and increase resilience in the western United States.
$50K-$3M per award 30 expected awards Generally 25% match Implementation projects
Eligible applicants: Western states, Tribes, irrigation and water districts, water or power-delivery authorities, qualifying watershed groups, and conservation nonprofits partnered with an eligible entity. Higher-education institutions are not eligible to apply directly.
View Opportunity →
Community & State Funding Opportunities
WaterSMART Cooperative Watershed Management Program OPEN
Bureau of Reclamation • Opportunity R26AS00349
Due Oct. 7, 2026
Supports watershed-group development, restoration planning, and collaborative approaches to water-management challenges.
$25M available $50K-$300K per award No cost share Up to 3 years
Eligible applicants: Existing watershed groups and eligible entities seeking to establish or develop a watershed group that represents diverse water-use interests and makes decisions by consensus.
View Opportunity →
Rural, Small, and Tribal Wastewater Technical Assistance Grant OPEN
U.S. Environmental Protection Agency
Due Aug. 14, 2026
Supports technical-assistance providers helping rural, small, and Tribal communities address wastewater infrastructure, operations, workforce, compliance, and financial-management needs.
$25.5M available Technical assistance Training & capacity building Rural, small & Tribal focus
Eligible applicants: Organizations qualified to provide technical, managerial, financial, engineering, operational, training, and compliance assistance to rural, small, and Tribal wastewater systems.
View Opportunity →
New Mexico Unit Fund Pilot Cycle II OPEN
New Mexico Finance Authority • $26 million available
Due Aug. 25, 2026
Funds planning, design, and construction of water-utilization projects in Catron, Grant, Hidalgo, and Luna counties. Public higher-education institutions must partner with an eligible Tribe, Pueblo, or political subdivision in the region.
$26M available No general project cap Grant funding Planning, design & construction
Eligible applicants: Local governments, acequias, water and conservation districts, mutual domestic associations, land grants, Tribes and Pueblos, and partnered public higher-education institutions in the four-county region.
View Opportunity →
Water Project Fund Technical Assistance Program AVAILABLE
New Mexico Finance Authority • Free professional assistance
First come, first served
Offers engineering, hydrologic, geospatial, accounting, legal, facilitation, and planning support for water and wastewater systems that lack the financial resources to obtain these services independently.
$3.5M program Free assistance No repayment Rolling availability
Eligible applicants: New Mexico water and wastewater systems with planning or technical needs and insufficient financial resources, with priority for small and disadvantaged communities.
View Program →
Please note: Deadlines, available funding, and eligibility requirements may change. Review the official funding announcement before preparing or submitting an application.