Clean Water Grants in Illinois

As of October 2026, Grantoria lists 10 Clean Water Grants in Illinois — 1 open right now, across 4 funding agencies. Award amounts range $20K to $8.1M. The next application deadline is October 20, 2026. All listings are free, with direct links to the official application.

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10total grants
1open now
4agencies
$20K–$8.1Mfunding range
Oct 20next deadline
OPEN 11 days left 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) Ohio (18) Pennsylvania (18) Illinois (10)

Clean Water grants by applicant

Public Authority (168) Nonprofits (154) 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 in illinois are available?
Grantoria currently lists 10 clean water grants in illinois, of which 1 is 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 11 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 in illinois?
Eligibility is set by each funding program, but clean water grants in illinois in this category most often support: Public Authority, City / Municipal Government, County Government and Public K-12 School. Check each grant's eligibility summary for the exact applicant types and requirements.
How much funding is available?
Award sizes range from $20K to $8.1M, 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 in illinois, 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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