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Published April 24, 2026 at 8:00 PM
Updated May 21, 2026
Site work for a civil project in Antioch, Illinois. Completed plans call for site work for a water / sewer project.
Dutch Gap Aquatic Ecosystem Restoration involves restoring stream, riparian, wetland, and buffering plant communities across a 785-acre site in Antioch, Lake County, Illinois, on land owned by Lake County Forest Preserves. The project aims to provide habitat for migratory birds and local fish and wildlife by reestablishing hydroperiods and other hydrologic and hydraulic parameters to rehydrate former hydric soils, supporting critical wetland and riparian habitats. Restoration efforts will also focus on reestablishing native plant communities that will diversify over time, increasing both the quantity and quality of native vegetation. The project addresses impacts caused by intensive agriculture, including drain tile networks, drainage ditches, and stream channelization, which have disrupted natural hydrologic processes, increased flooding risks, reduced open space for native species, diminished recreational opportunities, and degraded soils. The area is currently dominated by non-native and invasive plant species, which the restoration will work to replace with native communities. The magnitude of cost for construction is estimated between $5,000,000.00 and $10,000,000. Location: Dutch Gap Aquatic Complex, Antioch, Lake County, Illinois. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.
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Water / Sewer
$9,503,303.00
Public - Federal
Site Work
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