Frequently asked questions
How many clean water grants are available?
Grantoria currently lists 214 clean water grants, of which 16 are open for applications right now. The database is refreshed daily from official federal sources (Grants.gov and SAM.gov).
When is the next deadline?
The next application deadline is October 20, 2026 — about 1 days away. Deadlines vary by program; open any grant to see its exact closing date and application window.
Who is eligible for clean water grants?
Eligibility is set by each funding program, but clean water grants in this category most often support: Public Authority, Nonprofits, Tribal Nation and Small Business (SBA-defined). Check each grant's eligibility summary for the exact applicant types and requirements.
How much funding is available?
Award sizes range from $1K to $5B, depending on the program and applicant. Each grant shows its specific funding range where the agency has published one.
Is Grantoria free to use?
Yes — Grantoria is completely free. No account or subscription is required to browse clean water grants, view deadlines and eligibility, or reach the official application.
How do I apply?
Open any grant to see its full profile — eligibility, required documents, deadlines and a direct link to the official application on the funding agency's website. You apply through the federal portal; Grantoria simply helps you find the right opportunity.
About Clean Water grants
Clean water grants support critical projects that improve water quality, treatment infrastructure, and access to safe drinking water across America. With 214 active grants currently listed, funding sources like the Environmental Protection Agency and Bureau of Reclamation prioritize initiatives addressing water safety and conservation needs in underserved communities.
Awards typically range from $1,000 to $2.4 million, with most opportunities using competitive applications. State governments, public universities, and nonprofits are primary recipients, funding research, capital projects, and operational programs. Many grants target rural communities, low-income areas, and communities of color. Note that 39% require cost-sharing, so filtering by application type and recipient category helps identify the best opportunities for your organization.