Detroit District
The Detroit District is part of the Great Lakes and Ohio River Division and operates in concert with six other districts as a region.
Established in 1841, the district covers 82,000 square miles of land in the state of Michigan and portions of Indiana, Wisconsin and Minnesota with 3,200 miles of Great Lakes shoreline. The district is headquartered in downtown Detroit with area offices in Detroit, Michigan; Duluth, Minnesota; Sault Ste. Marie, Michigan; and Grand Haven, Michigan.
81 federal navigation projects including deep and shallow draft harbors and navigation channels
9 active Confined Disposal Facilities
395 miles of navigation channels
37 miles of navigation channels
Average 80 million tons of commodities pass through the Soo Locks
4 hydrographic survey crews
4 floating plant operations
12 federal levee systems
Over 13 miles of federal levees
2,500 acres of leveed area
1 federal dam
Supporting the International Joint Commission
Execute and improve outflow regulation strategies from Lake Superior
Monitor and forecast water levels for all of the Great Lakes
Measure and monitor flow through the connecting channels
Provide state-of-the-art data and information to the public on water levels and conditions
5 hydropower units at the Soo Locks
21 megawatts total rated capacity
98% reliability rate
Provides 100% of the energy to run the Soo Locks
Facility provides 15% of base electrical need of Eastern Upper Peninsula of Michigan
Remote monitoring and operation on nights and weekends via Nashville District
20 agencies/organizations coordinated with for National Environmental Policy Act compliance
15 endangered/threatened species in our boundaries
10 invasive species managed
Habitat for numerous species of fish enhanced
$5 million in environmental sampling and analysis awarded in the past three years
Two Class A Visitor Centers in Duluth Minnesota and Sault Ste. Marie, Michigan
Ranked 2nd and 3rd in annual visitation throughout the U.S. Army Corps of Engineers
More than 500,000 visitors on average each year at each location
Protecting the Nation's aquatic resources and navigation capacity while allowing reasonable development through fair, flexible and balanced permit decisions.
Completed in 2023
2,361 General Permits and 128 Individual Permits
483 Permit Compliance Inspections
1,105 Jurisdictional Determinations
Dedicated support to military operations and disaster response
Commands preparedness and response to natural disasters
Provides technical and direct assistance to local communities during seasonal flood events
Coordinates district support to Overseas Contingency Operations
Operates and maintains a district Emergency Operations Center
Overseas the training and operation of the district's Crisis Action Team and Flood Fight Team
Provide planning, engineering, design, construction management, environmental service and technical assistance to federal agencies, state and local governments and tribal nations.
Partners include: Environmental Protection Agency, International Joint Commission, Indian Health Services, Department of Health and Human Services, U.S. Forest Service, Great Lakes Fishery Commission, Department of Treasury, General Services Administration, U.S. Coast Guard, National Park Service, Veterans Administration and National Oceanic & Atmospheric Administration.
16 federally recognized tribes consulted within three states
1 National Historic Landmark
20+ properties listed or eligible for National Register of Historic Places
8 ongoing projects with Tribes that address issues such as coastal erosion, flood risk and wild rice production


Brett M. Boyle
Commander, U.S. Army Corps of Engineers, Detroit District, Michigan...
Gregory R. Smith
Deputy Commander, U.S. Army Corps of Engineers, Detroit District, Michigan.
Kevin J. McDaniels
Deputy District Engineer, U.S. Army Corps of Engineers, Detroit District, Michigan.


Latest News

Charlevoix channel dredging scheduled to conclude by May 15
4/17/2024 UPDATED
About 13,000 cubic yards of material is scheduled to be removed from the Charlevoix Harbor channel before May 15, as part of a maintenance dredging contract under the U.S. Army Corps of Engineers,...
Corps of Engineers Start Outer Harbor Dredging in Holland, Michigan
The U.S. Army Corps of Engineers, Detroit District, will begin dredging the outer harbor in Holland, Michigan, this weekend to remove about 31,000 cubic yards of sediment from the federal navigation...
Infrastructure Innovation: New Poe Lock arrestor arm is the largest U.S. civil works component produced by 3D printer
As America’s civil works infrastructure ages, managers need innovative solutions to replace parts that have been in service for nearly a century. Often, these original components were fabricated using...



Detroit District Headquarters
477 Michigan Ave
Detroit, MI 48226


Bay City Field Office
1501 North Henry, Rm. 126
Bay City, MI 48706
(989) 684-5969

Detroit Arsenal Resident Office
6501 E. Eleven Mile, MS 119
Warren, MI 48397
(586) 282-6025

Detroit Project Office
6309 W. Jefferson, Bldg. 414
Detroit, MI 48209
(313) 226-2206

Duluth Project Office
600 Lake Ave. S.
Duluth, MN 55802
(218) 720-5260

Grand Haven Resident Office
307 S. Harbor St.
Grand Haven, MI 49417
(616) 842-5510

Michiana Branch Office
2422 Viridian Drive, Ste. 200
South Bend, IN 46628
(574) 232-1952

Marquette Field Office
228 West Washington Street, Suite 5
Marquette, MI 49855
(906) 228-2833

Sault Ste. Marie Project Office
312 W. Portage Ave.
Sault Ste. Marie, MI 49783
(906) 632-3311

General Information
Construction Projects
Emergency Operation Center
Employment Opportunities
Engineering and Technical Services
Great Lakes Navigation
Great Lakes Water Levels
Outreach Coordinator
Planning and Studies
Project Management
Public Affairs
Real Estate
Regulatory and Permits
Soo Locks
Surveys and Maps
Tribal Liaison