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The County of DuPage
Wheaton, Illinois

Stormwater Management Program Plan


DuPage County Stormwater Management Program Plan is being provided for compliance with the Illinois Environmental Protection Agency General NPDES Permit No. ILR40 for Discharges from Small Municipal Separate Storm Sewer Systems. This plan outlines the County’s Stormwater Program and provides guidance and materials for use by municipalities, permit applicants, and other interested residents. 


Stormwater Management Program Plan

    Public Comment

    DuPage County Stormwater Management is currently accepting input on their Countywide Water Quality Program. Comments will be accepted through February 28, 2021. There will also be an informational virtual meeting to discuss the DuPage County Countywide Water Quality Program on Thursday, February 18 at 9am. Register for the meeting at

    Comments may be submitted via email to or by mail to: 

    DuPage County Stormwater Management

    Attn: Mary Beth Falsey


    421 North County Farm Road


    Wheaton, IL 60187