The Department of Defense, through the U.S. Army Corps of Engineers - Chicago District, is soliciting bids for the Dutch Gap Aquatic Ecosystem Restoration project located in Antioch, Lake County, Illinois. This project aims to restore approximately 785 acres of aquatic ecosystems by reestablishing hydrologic conditions and native plant communities to enhance habitats for migratory birds and local wildlife. The initiative addresses significant environmental degradation caused by intensive agriculture and aims to improve recreational opportunities while mitigating flooding risks. Interested contractors must submit their proposals by 2:00 p.m. (Central Time) on January 14, 2026, with an estimated construction cost between $5 million and $10 million. For further inquiries, contact Ericka Hillard at ericka.d.hillard@usace.army.mil or call 312-846-5378.