Funding source for the IUM update initiative is provided by the Illinois Environmental Protection Agency (IEPA) Clean Water Act, Section 604b grant funds.
June 7, 2019
Please review the following IDOT Memo regarding Cofferdams (Type 1) within jurisdictional wetlands and Waters of the U.S. New Special Provision for Cofferdam (Type 1)
January 11, 2019
The Dewatering standard (Standard 813) is now available! Check it out Here
December 4, 2018
Welcome to the new Illinois Urban Manual website!