Chick Lock

About Us

The U.S. Army Corps of Engineers Great Lakes and Ohio River Division traces its origins to the birth of the United States.

And ever since, we have consistently forged a legacy of resilience and strength for our Nation.

Great Lakes and Ohio River Division & Districts

Great Lakes and Ohio River Division is 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 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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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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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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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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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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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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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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LRD Contact Tabs

Civil Works
(513) 684-6211
Logistics
(513) 684-6448
Contracting With Us
(513) 684-3589
Employment Opportunities
(502) 315-7432
Environmental
(513) 684-6050
Locks and Dams
(513) 684-2612
Navigation
Regulatory and Permitting
(513) 684-7261
Recreation
(513) 684-3192
Public Affairs
(513) 684-3097 or (513) 684-3010
General Questions
(513) 684-3097
Real Estate Division
(513) 684-2225
Military Programs
(513) 684-3034
Readiness and Contingency Operations
(513) 684-3085
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U.S. Army Corps of Engineers,
Great Lakes & Ohio River Division
550 Main Street, Room 10-714
Cincinnati, OH 45202-3222

Chick Lock

Through deeds, not words, we are BUILDING STRONG®