The Army Corps of Engineers Pittsburgh District begins to refill the newly constructed lock chamber with water at the Monongahela River Locks and Dam 4 in Charleroi, Pennsylvania, May 25, 2023. The chamber will take several days to fill with approximately million gallons of water. Once filled, the Pittsburgh District will move forward with installing the miter gates and testing out the lock for navigation. The new lock is expected to go into operation in 2024. The construction project at Charleroi is part of the Lower Mon Project, sometimes referred to as a "mega project" because of


The Army Corps of Engineers Pittsburgh District begins to refill the newly constructed lock chamber with water at the Monongahela River Locks and Dam 4 in Charleroi, Pennsylvania, May 25, 2023. The chamber will take several days to fill with approximately million gallons of water. Once filled, the Pittsburgh District will move forward with installing the miter gates and testing out the lock for navigation. The new lock is expected to go into operation in 2024. The construction project at Charleroi is part of the Lower Mon Project, sometimes referred to as a "mega project" because of its size and scope. ( Army Corps of Engineers Pittsburgh District photo by Michel Sauret)


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Keywords: army, construction, corps, district, engineers, monongahela, navigation, pittsburgh, usace