Westmont, Illinois – Date Issued: February 4, 2026
DuPage County Stormwater Management is currently accepting input on their Countywide Water Quality Program. Comments will be accepted through February 17, 2026.
The County is providing an online engagement webpage regarding DuPage County’s National Pollution Discharge Elimination Systems (NPDES) Permit No. ILR40, which allows DuPage County and its municipalities to discharge stormwater into waterways.
The Countywide Water Quality Program includes a partnership of DuPage County and 41 municipalities and townships working together to meet water quality goals. Included within this partnership, the Illinois Environmental Protection Agency granted DuPage County Stormwater Management a countywide permit to meet federal water quality requirements, including:
• Public Education and Outreach on Water Quality Topics
• Public Involvement and Participation
• Illicit Discharge Detection and Elimination
• Construction Site Erosion and Sediment Controls
• Post-Construction Best Management Practices for Water Quality
• Pollution Prevention and Good Housekeeping for Municipal Operations
• Water Quality Monitoring Program
A public comment webpage has been created where visitors can view an informational video on DuPage County’s Water Quality Program, download the complete program plan, and
submit electronic comments.
DuPage County Stormwater Management is accepting input on the program through February 17, 2026. Comments may also be sent via email to [email protected]. For more information, contact DuPage County Stormwater Management at 630-407-6673.
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