The U.S. Army Corps of Engineers plans to issue a solicitation for a five-year aquatic ecosystem restoration construction project in Antioch, Lake County, Illinois. The work involves restoring streams, wetlands, and native plant communities across 785 acres to improve habitat and hydrology. The estimated construction cost is between $5 million and $10 million, and the competition is full and open, unrestricted by business size. The solicitation package is planned for advertisement in the fourth quarter of Fiscal Year 2025. Contractors must be registered in SAM and the DoD PIEE system to access the solicitation and submit a bid.