Illinois Environmental Protection Agency’s Water Quality Grants fund research, planning, and practical projects to improve water quality and reduce pollution across Illinois.
Funder: Illinois Environmental Protection Agency
Due Dates: November 5, 2025 (GIGO) | November 19, 2025 (GHP) | October 8, 2025 (Section 604(b)) | September 16, 2026 (Section 319(h))
Funding Amounts: Up to $5,000,000 per program; GIGO: $75,000–$2,500,000 per award; GHP: up to 80% of project costs; Section 319(h): up to 60% of project costs; Section 604(b): varies.
Summary: Supports Illinois-based projects to improve water quality, manage stormwater, reduce pollution, and implement best management practices.
Key Information: Multiple programs with distinct deadlines, eligibility, and match requirements—review each program's NOFO for details.
The Illinois Environmental Protection Agency (Illinois EPA) offers several Water Quality Grant programs to support local projects that improve and protect water resources across Illinois. These grants fund initiatives such as green infrastructure construction, nonpoint source pollution reduction, water quality management planning, sewer and overflow upgrades, and agricultural best management practices. Eligible projects may include stormwater management, watershed planning, wetland creation, edge-of-field nitrate reduction, and educational outreach, all aimed at safeguarding Illinois' rivers, streams, and lakes.