摘要: |
The St. Paul Engineer District announced November 29 the first-ever award for an environmental project under the Navigation and Ecosystem Sustainability Program (NESP)-a $324,000 contract to Togjak Management Services of Anchorage, Alaska, to complete a wing dam modifica- tion in Pool 2 of the Mississippi River downstream of St. Paul, Minn. The intent of the project, expected to begin in April 2023, is to improve fish habitat in the river. The project will modify 17 existing wing dams to increase the diversity of aquatic habitats and enhance ecosystem dynam- ics. Portions of each wing dam will be notched or removed to allow better movement of fish outside the main channel. Wing dams channel water to scour out the main channel, reducing the need for channel dredging. Construction is expected to be completed by September 2023. |