Chicago District Header Image



Home > Missions > Civil Works Projects > Cook County EI

Cook County Environmental Infrastructure


WRDA 1992 (PL 102-580), Section 219(f)(54), as amended in the Consolidated Appropriations Act of 2001, (PL 106-554), see HR 4577, Chapter 14, Division B, Section 108; Section 142 of the FY 2004 Energy and Water Resources Appropriation (PL 108-137)

Project Description:

This project provides technical planning, design and construction assistance to non-federal interests who have environmental infrastructure needs in Cook County, Illinois. These needs may be related, but not limited, to development and protection of water supply and waste water systems, combined sewer overflows, and remediation of adverse water quality impacts and storm water impacts to waste water systems.  Work completed under this authorization includes construction for LaGrange, Calumet Park schools, Brookfield Zoo, feasibility and construction for Flossmoor, and construction for LaGrange Park, Olympia Fields, and Richton Park. Construction was recently awarded for sewer improvements in Oak Lawn. Pending projects identified as applicable to this authorization include Country Club Hills, Countryside, Glenview, Riverdale, Berwyn, Westchester, Elmhurst, Hinsdale, and Midlothian.



Total Project Cost:   $ 46,666,000
Federal Cost:   $ 35,000,000
Non-Federal Cost:

  $ 11,666,000

Current Status:

Funds are being used to close out the construction of water main improvements in Richton Park, and for construction of sewer improvements in Oak Lawn.  Planning is also being done for sewer and water system improvements in Country Club Hills, Glenview, and Countryside.


An Environmental Assessment for water main replacement in the City of Country Club Hills, Cook County, Ill., was made available for public review on August 18, 2017. Public comments must be received by September 18, 2017. Public comments should be sent to Planning Branch (Hoxsie), U.S. Army Corps of Engineers, 231 S. LaSalle, Suite 1500, Chicago, Illinois 60604 or via email to Questions should be directed to the Planning Branch at (312) 846-5587.


Click here for the Oak Lawn Sanitary Sewer Improvements Environmental Assessment 

Click here for the Country Club Hills Water Main Replacement Environmental Assessment


Project Manager

Monica Ott

Project Map


Click map to enlarge.