As of September 2026, Grantoria lists 154 Clean Water Grants for Public Authority — 7 open right now, across 52 funding agencies. Award amounts range $1K to $5B. The next application deadline is September 16, 2026. All listings are free, with direct links to the official application.
The Illinois Environmental Protection Agency (Illinois EPA) is seeking proposals for nonpoint source (NPS) pollution control projects (Projects) to prevent, eliminate, or reduce water quality impairments…
The Bureau of Reclamation"s Desalination and Water Purification Research (DWPR) Program aims to increase water supplies by reducing the costs, energy requirements, and other barriers to…
🏛 Bureau of Reclamation📋 CFDA 15.506⏰ Sep 29, 2026💰
$100,000 – $800,000
Tire-Derived Aggregate (TDA) is made from shredded tires as an alternative to conventional lightweight aggregates that is: Lightweight Free-draining Less expensive Eligible Applicants Include: -All California local…
🏛 Department of Resources Recycling and Recovery (California)⏰ Oct 15, 2026💰
$10,000 – $375,000
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
The After School Education and Safety (ASES) Program is the result of the 2002 voter-approved initiative, Proposition 49. These programs are created through partnerships between schools…
🏛 CA Department of Education (California)⏰ Dec 3, 2026💰
$50,000 – $203,500
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 Charter School Facility Grant Program provides annual grants to offset annual on-going facility costs for charter schools that service a high-percentage of students eligible for…
In 2019, Senate Bill 200 (SB200) established the Safe and Affordable Drinking Water (SADW) Fund to address funding gaps and provide solutions to water systems, especially…
🏛 State Water Resources Control Board (California)⏰ Aug 31, 2020💰
$2,000,000 – $10,000,000
The Cleanup and Abatement Account (CAA) was created by Water Code Sections 13440-13443 to provide grants for the cleanup or abatement of a condition of pollution…
🏛 State Water Resources Control Board (California)⏰ Jun 15, 2020💰
$200,000 – $6,000,000
The Conservancy’s Explore the Coast Overnight Program was created to expand more opportunities for all Californians to stay overnight at the coast, particularly individuals and youth…
🏛 Coastal Conservancy (California)⏰ Jan 29, 2021💰
$250,000 – $5,000,000,000
The Inland Wetland Conservation Program (IWCP) jurisdiction matches that of the Central Valley Joint Venture and includes most of the watershed of the Central Valley. The…
Through the passage of Propositions 47, 55, 1D, and most recently, 51, $1.4 billion has been made available to charter schools for construction of new facilities…
🏛 State Treasurer's Office (California)💰
up to $1,000,000
The Charter School Revolving Loan Fund (CSRFL) Program provides low-cost loans of up to $250,000 to charter schools, with priority given to schools opening in the…
🏛 State Treasurer's Office (California)💰
$100,000 – $250,000
How many clean water grants for public authority are available?
Grantoria currently lists 154 clean water grants for public authority, of which 7 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 September 16, 2026 — about 11 days away. Deadlines vary by program; open any grant to see its exact closing date and application window.
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 for public authority, 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.