As of October 2026, Grantoria lists 214 Clean Water Grants — 16 open right now, across 66 funding agencies. Award amounts range $1K to $5B. The next application deadline is October 20, 2026. All listings are free, with direct links to the official application.
The Regional Site Readiness Program aims to better prepare sites for industrial development across the state. Input from community leaders and economic development experts has raised…
🏛 Illinois Department of Commerce and Economic Opportunity⏰ Oct 20, 2026
The purpose of this Notice of Funding Opportunity (NOFO) is to support eligible Tribes and intertribal consortia to implement approved Nonpoint Source (NPS) management programs developed…
🏛 Environmental Protection Agency📋 CFDA 66.460⏰ Nov 9, 2026💰
up to $175,000
The principal objective of the Damage Assessment, Remediation and Restoration Program (DARRP) Restoration Implementation Grants is for NOAA to collaborate with non-federal partners to implement marine…
🏛 DOC NOAA - ERA Production📋 CFDA 11.463⏰ Nov 18, 2026💰
$2,500,000 – $100,000,000
DOE CMEI is dedicated to securing America’s energy future by reinforcing domestic critical mineral supply chains, driving next-generation energy technology and manufacturing research, and promoting affordable,…
🏛 Golden Field Office📋 CFDA 81.087⏰ Dec 1, 2026💰
$2,000,000 – $20,000,000
HRE Round 50 Tributary Restoration and Resiliency is a New York State grant opportunity administered by the New York State Department of Environmental Conservation. Total program…
🏛 New York State Department of Environmental Conservation⏰ Dec 17, 2026
This grant program provides reimbursement funding for public schools and regulated child care facilities located in Pennsylvania for lead reduction activities at water fixtures with appropriate…
🏛 Pennsylvania Department of Environmental Protection⏰ Dec 31, 2026
CMEI intends to issue, on behalf of AFFO, a NOFO titled, “Leveraging Domestic Infrastructure and Resources to Unleash Alternative Chemicals, Fuels, and Feedstocks”. This NOFO will…
The Funding Infrastructure in North Dakota (FIND) program allows for political subdivisions to submit one application, for eligible infrastructure projects, to be reviewed by the Department…
🏛 North Dakota Funding for Infrastructure in North Dakota⏰ Jun 30, 2027
This program provides reimbursement of environmental cleanup costs resulting from a release of heating oil from an underground tank system. Reimbursements are subject to a $1,000…
🏛 Pennsylvania Department of Environmental Protection⏰ Jun 30, 2027💰
up to $4,000
Through WaterSMART, the Bureau of Reclamation (Reclamation) leverages Federal and non-Federal funding to work cooperatively with States, Tribes, and other entities as they plan for and…
🏛 Bureau of Reclamation📋 CFDA 15.591⏰ Aug 26, 2027💰
$1,000 – $120,000,000
Through WaterSMART, the Bureau of Reclamation (Reclamation) leverages Federal and non- Federal funding to work cooperatively with States, Tribes, and other entities as they plan for…
🏛 Bureau of Reclamation📋 CFDA 15.504⏰ Aug 26, 2027💰
$1,000 – $40,000,000
The objective of the WaterSMART Enhancing Water Resources Projects funding opportunity is to invite eligible entities to apply for funding to implement projects per the authorizing…
🏛 Bureau of Reclamation📋 CFDA 15.507⏰ Sep 8, 2027💰
$50,000 – $3,000,000
The National Institute of Environmental Health Sciences (NIEHS) is announcing the continuation of the Superfund Hazardous Substance Research and Training Program, referred to as Superfund Research…
🏛 National Institutes of Health📋 CFDA 93.143⏰ Sep 25, 2028💰
up to $1,750,000
Drinking Water Fluoridation RFA is a New York State grant opportunity administered by the New York State Department of Health. Total program funding is approximately $2,500,000.…
🏛 New York State Department of Health⏰ Sep 28, 2028
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.
