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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.