US Army Corps of Engineers
Chicago District

Morton Arboretum


Section 206, Water Resources Development Act 1996, as amended (Continuing Authority Program)

Project Description:

The Morton Arboretum project site is in Lisle, Ill., on the DuPage River East Branch.

The goal of this project is to improve fish and other aquatic habitat, while addressing streambank erosion.

Project features include adding boulders and woody structures to the river; grading the banks back to a more natural slope and stabilizing with native vegetation; and removing exotic vegetation from the floodplain and replanting with native vegetation.


Cost: Total project cost: $3.6 million; Federal cost: $2.34 million

Current Status:

The construction contract was awarded in July 31, 2015.  The required completion date is July 31, 2020. All heavy construction has been completed, and maintenance and monitoring of vegetation will continue through the life of the contract.

Project Documents:

Feasibility Report Finding of No SIgnificant Impact (FONSI) - Appendix G

Design Documentation Report




Project Manager

Nicole Toth

Project Map