Clean Water Grants for Public Authority

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.

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154total grants
7open now
52agencies
$1K–$5Bfunding range
Sep 16next deadline
OPEN 40 days left Moderate to apply

Tire-Derived Aggregate Grant Program

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
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OPEN Hard to apply

WaterSMART: Desalination Construction Projects

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
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OPEN Hard to apply

Title XVI Water Reclamation and Reuse Projects

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
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ROLLING Moderate to apply

Charter School Facility Grant Program – (SB740)

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…

🏛 State Treasurer's Office (California) ⏰ Apr 19, 2019 💰 $100,000 – $250,000
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ROLLING Moderate to apply

Explore the Coast Overnight

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
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ROLLING Hard to apply

Inland Wetlands Conservation

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…

🏛 Wildlife Conservation Board (California) ⏰ Jan 15, 2025 💰 $500,000 – $2,000,000
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ROLLING Moderate to apply

Charter School Facilities Program (CSFP)

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
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ROLLING Hard to apply

The Charter School Revolving Loan Fund Program

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
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Frequently asked questions

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.