Clean Water Grants for Public Authority

As of October 2026, Grantoria lists 168 Clean Water Grants for Public Authority — 5 open right now, across 52 funding agencies. Award amounts range $1K to $5B. The next application deadline is October 22, 2026. All listings are free, with direct links to the official application.

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168total grants
5open now
52agencies
$1K–$5Bfunding range
Oct 22next deadline
OPEN 58 days left Hard to apply

HRE Round 50 Tributary Restoration and Resiliency

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
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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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CLOSING SOON 🔥 Closing today Moderate to apply

Illinois Regional Site Readiness Program

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
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Explore related grants

Clean Water grants by state

California (151) Pennsylvania (18) Ohio (18) Illinois (10)

Clean Water grants by applicant

Public Authority (168) Nonprofits (155) Tribal Nation (128) Small Business (SBA-defined) (112) Individuals (105) City / Municipal Government (79) County Government (71) 501(c)(3) Public Charity (42) Special District (37) State Government (36) Public K-12 School (36) Low-income (26)

Frequently asked questions

How many clean water grants for public authority are available?
Grantoria currently lists 168 clean water grants for public authority, of which 5 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 22, 2026 — about 2 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.

The free database of U.S. federal grants for nonprofits and grant writers — updated daily from official sources, Grants.gov, SAM.gov and other official resources.

✓ 100% free   ✓ No account required   ✓ Direct links to official applications

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