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  • Emsworth Locks & Dams Major Rehabilitation Project

    Emsworth Locks and Dams are located on the Ohio River immediately downstream of the City of Pittsburgh. The main channel dam and locks are located at river mile 6.2 and the back channel dam is located at river mile 6.8. The project creates the navigation pool for the City of Pittsburgh. The structural components of the Emsworth Locks and Dams are the oldest of any project on the Ohio River, dating back to 1919 to 1922 and 1935 to 1938 when Emsworth Dams were constructed. The Emsworth locks, consisting of a 110’ wide by 600’ long main chamber and 56’ wide by 360’ long auxiliary chamber, are the oldest on the Ohio River System and are in need of additional maintenance work to keep them operating safely until permanent improvements are implemented.
  • Lower Monongahela River Project

    Locks and Dams 2, 3 and 4 on the Monongahela River in Allegheny, Washington and Westmoreland counties in southwestern Pennsylvania are the three oldest currently operating-navigation facilities on the Monongahela River. These locks experience the highest volume of commercial traffic on the entire Monongahela River Navigation System and the pools created by these facilities provide industrial and municipal water, and are popular with recreational boaters.
  • Shallow Land Disposal Area

    The Shallow Land Disposal Area (SLDA) site, encompassing 44 acres of privately-owned land, is located approximately 23 miles east-northeast of Pittsburgh in Armstrong County, Pennsylvania. It is on the right bank of the Kiski River, a tributary of the Allegheny River, near the communities of Apollo and Vandergrift. Radioactive waste disposal operations were conducted between 1960 and 1970 at the site.
  • Tar Pamlico Basin Flood Risk-Management Study

    In response to recent flooding that occurred as a result of Hurricanes Matthew (2016) and Florence (2019), the U.S. Army Corps of Engineers received funding through the 2019 Additional Supplemental Appropriations for Disaster Relief (H.R. 2157) for a feasibility study to assess and recommend actions that reduce flood risk and increase resiliency within the Tar-Pamlico River Basin. A series of flood risk management alternatives designed to reduce flood risks within the basin through various combinations of structural (e.g., floodwalls, levees, detention basins), non-structural (e.g., acquisition and relocation, home elevation), and natural and nature-based measures (e.g., wetland and floodplain storage) were developed and compared with the goal of identifying and recommending an alternative that reduces flood risk while protecting environmental resources.
  • Upper Ohio River Navigation Project

    The Upper Ohio Navigation Project is part of the National Economic Development (NED) plan for improving the upper Ohio River navigation system, specifically the Emsworth, Dashields and Montgomery locks and dams. Emsworth, Dashields and Montgomery, each constructed prior to 1936, are the first three locks and dams on the Ohio River downstream of the Point of Pittsburgh. These facilities have the oldest and smallest lock chambers in the entire Ohio River Navigation System. The project replaces each auxiliary lock chamber (56’ wide by 360’ long) with a new lock chamber (110’ by 600’) at each facility. This new lock chamber would serve as the new main lock chamber. The fully-funded, total project cost for all three new chambers is $2.1 billion, which would be cost-shared jointly by the General Fund (65%) and the Inland Waterways Trust Fund (35%) (2021 Cost Level). The project’s incremental benefit-to-cost ratio is 2.4 to 1 (at the current discount rate of 2.75%).