Stormwater Management

Stormwater Management Guidebook

DuPage County Stormwater Management has created a guidebook to help all residents understand flooding issues and reduce future flooding impacts on their property. Please go to the DuPage County website and download the Guide to Preventing and Repairing Flood Damage (PDF).

MS-4 Annual Report

2019 - 2020 MS-4 Annual Report

NOI Waiver

DuPage County Stormwater Publications/Reports   

View past MS-4 Annual Reports in our Archive Center

Related Documents

  1. 2017 - 2018 MS4 Annual Report
  2. Build Your Own Rain Garden (PDF)
  3. General NPDES Permit ILR40 (PDF)
  4. Hanover Park Stormwater Management Plan (PDF)
  1. How-to Manual for Homeowners - Rain Gardens (PDF)
  2. Notice of Coverage - 2012 (PDF)
  3. Notice of Intent - 2013 (PDF)