How to Get the Cost-Share Drainage Assistance Program
DuPage County Stormwater Management · Unincorporated DuPage County (Chicago suburbs), IL
What you get
Reimburses residents 50% of eligible costs, up to $5,000 per project, for water-quality solutions including rain gardens, bioswales, and bioretention. Only properties in unincorporated DuPage County qualify, so homes inside a city or village do not. A nonrefundable $200 fee per property is due with the application. Applications for the next cycle are due March 1, 2027 (DuPage County Stormwater Management program page; last verified September 2026).
- Residential: 50% of eligible costs, up to $5,000 per project
Are you eligible?
- Be a DuPage County Stormwater Management customer
- Property located in: DuPage County (unincorporated)
- Property owned by the applicant in unincorporated DuPage County
- Rain garden, bioswale, or bioretention project
- Nonrefundable $200 application fee per property
- Reimbursement of 50% up to $5,000
Before you start
Do not remove turf or begin work before you have written approval. This program requires pre-approval. Starting early can disqualify the project even if everything else is correct.
The application checklist
How to apply for the Cost-Share Drainage Assistance Program
These are the steps this application actually takes.
- 1
Check eligibility
Make sure you qualify with DuPage County Stormwater Management before you start.
- 2
Get pre-approval if required
Some programs require approval before any work begins. Check with DuPage County Stormwater Management and take before photos of the existing yard first.
- 3
Do the work
Complete the project, take before and after photos, and save every receipt.
- 4
Submit your application
Send DuPage County Stormwater Management the completed application with your photos and receipts, then watch for the confirmation.
Get help applying
Want a hand with the application?
A 30-minute call with Stephen, the founder. He reads the Cost-Share Drainage Assistance Program rules with you, tells you what to photograph and file first, and answers anything this page does not cover.
Confirm your project ZIP first. If this program does not serve your address, do not buy; check your city or utility on the rebates page instead.
One-time $29.99. Guidance, not filing: you submit to the program yourself. Not legal or financial advice. Rebate amounts and approval are decided by the program.
Every program listed cites its official source, and each program page shows the date we last verified it against that source. Program details change throughout the year, so always confirm requirements, amounts, and eligibility directly with the program before starting work. Pollinator Patch is not affiliated with any rebate program and does not guarantee approval.
See a problem with a program? Report it
Programs change throughout the year. If something here is out of date or wrong, tell us and we'll check it against the provider.