Stormwater

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

FLOODPLAIN INFORMATION REQUESTS

FINDING OUT WHETHER A PROPERTY IS IN A FLOODPLAIN 

If you need to find out whether a property in Hanover Park is in a flood plain or not or if you need the Community Panel Number for Hanover Park as part of the National Flood Insurance Program, please contact the Engineering Department at 630-823-5700 between the hours of 8:00 a.m. and 4:30 p.m. 

Watershed outreach 

The goal of our Watershed Outreach Program is to develop partnerships with communities, park districts and other organizations to not only increase general awareness and appreciation for our local steams, but more importantly, to a change in behaviors to benefit the entire watershed.