Clean Water Grants for Nonprofits

As of October 2026, Grantoria lists 155 Clean Water Grants for Nonprofits — 6 open right now, across 57 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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155total grants
6open now
57agencies
$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

ROSES 2025: A.17 Hydrosphere

The close date above is the date for the Step-2 proposal due date. The Step-1 proposal due date is October 8, 2026. Step-2 proposals cannot be…

🏛 NASA Headquarters 📋 CFDA 43.001 ⏰ Jan 28, 2027
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OPEN Hard to apply

WaterSMART Enhancing Water Resources Projects

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
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OPEN Moderate to apply

Drinking Water Fluoridation RFA

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
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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) Public K-12 School (36) State Government (36) Low-income (26)

Frequently asked questions

How many clean water grants for nonprofits are available?
Grantoria currently lists 155 clean water grants for nonprofits, of which 6 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 nonprofits, 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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