Our Division & Districts

Buffalo Harbor
Great Lakes and Ohio River Division
One of nine world-wide divisions that make up the U.S. Army Corps of Engineers. They oversee seven districts that span 17 states who provide engineering services for over 58 million people.
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Buffalo River - Buffalo River Dredging, Buffalo, NY
Buffalo District
Covers 38,000 square miles across the Lower Great Lakes. They provide engineering solutions for several harbors, ports, navigation channels, and more. They play a key role in safely managing radiological waste and sediment in the region. They oversee the Mount Morris Dam and Black Rock Lock, and are a member of the International Niagara Board of Control.
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Boat shaped building on the river
Chicago District
Provides engineering solutions for water resources development in the Chicago metropolitan area, upper Illinois River watershed, Lake Michigan watershed in Wisconsin and the upper Wabash River watershed in Indiana.
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Stop log (bulk heads) openings allow the lock to be re-filled with water after winter maintenance is complete.
Detroit District
Covers 82,000 square miles and 4,000 miles of lakeshore. They manage water projects, including the Soo Locks and 94 harbors. They are the data hub for Great Lakes water levels.
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Paint Creek Lake
Huntington District
Provides engineering solutions across five states and manages over 400 miles of navigable water along the Ohio & Kanawha rivers. They've prevented over $21.6 billion in flood damage and move roughly 55 million tons of commodities through their locks and dams each year.
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Aerial view of the dam at Green River Lake in Campbellsville, Kentucky.
Louisville District
Provides military, environmental, and civil works solutions across five states. They provide engineering solutions to 18 Department of Defense installations and support Army and Air Force Reserve Centers around the world.
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Aerial view of the Chickamauga Lock Replacement project in Chattanooga, Tennessee, taken on Dec. 23, 2024.
Nashville District
Provides engineering solutions across 59,000 square miles and 1,175 navigable miles which touch seven states. They manage 14 navigation lock projects and generate $44 million in revenue from hydropower each year.
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Despite the ice and snow, the U.S. army Corps of Engineers Pittsburgh District lock operators support inland navigation year-round.
Pittsburgh District
Manages over 328 miles of navigable water, 23 navigation locks & dams, and 58 flood damage reduction projects to protect resources and wetlands across five states.
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