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City of Warrenville
28W701 Stafford Place
Warrenville, IL 60555
Ph: 630-393-9427
Flood Investigation and Follow Up

The West Branch DuPage River (WBDR) drains through the City of Warrenville with a large tributary area originating as far north as Schaumburg in Cook County, Illinois. The river leaves Warrenville, draining into the Fawell Dam flood pool in the McDowell Grove Forest Preserve. Information about Fawell Dam and the West Branch DuPage River, in general, can be accessed at a website maintained by DuPage County by clicking here.

In September 2008, a large storm occurred that caused unprecedented flooding in the City of Warrenville. Two courses of action resulted from that flooding:

  1. At the City of Warrenville’s request, DuPage County initiated the preparation of an Addendum to the Watershed Plan for the West Branch DuPage River, including hydrologic and hydraulic modeling of the river.
  2. The City of Warrenville convened a workgroup consisting of staff and elected officials to study and answer questions regarding the impact of Fawell Dam on flooding in the City of Warrenville.

Addendum to the West Branch DuPage River Watershed Plan

Status of “Preferred Alternative” Projects – March 13, 2016

Fawell Dam Workgroup

Status of Fawell Dam Outstanding Concerns & Final Recommendations – February 13, 2012