Detroit District
New Buffalo, Michigan Harbor Beach break wall on July 8, 2021. Water Levels
Water Levels
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The Soo Locks at sunset in Sault Ste. Marie, Michigan during Fall 2020. Soo Locks
Soo Locks
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Monarch Caterpillar on a milkweed in Jasper County, Indiana. Permits
Permits
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M/V Mesabi Miner at Sturgeon Bay Harbor and Lake Michigan Ship Canal in Wisconsin on January 14, 2023. Great Lakes Navigation
Great Lakes Navigation
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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

Leadership

Aurora DeAngelis-Caban
2/6/2024
Deputy Commander, U.S. Army Corps of Engineers, Detroit District, Michigan.
Kevin J. McDaniels
2/6/2024
Deputy District Engineer, U.S. Army Corps of Engineers, Detroit District, Michigan.
Wallace W. Bandeff
7/16/2024
Commander, U.S. Army Corps of Engineers, Detroit District, Michigan...
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History

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Latest News

Study to mitigate flood risks in Southeast Michigan receives $1.2 million
6/20/2025
The U.S. Army Corps of Engineers, Detroit District, will receive an additional $1.2 million to continue studying flooding risks in Southeast Michigan, under the Fiscal Year 2025 Work Plan. The Corps...
Army Corps of Engineers seeks public comments on proposal to renew and revise nationwide permits
6/18/2025
The U.S. Army Corps of Engineers announced today it is seeking comments on its proposal to renew and revise 56 existing nationwide permits and issue one new nationwide permit authorizing activities...
Remaining Phase 3 options awarded for New Lock at the Soo
6/16/2025
U.S. Army Corps of Engineers, Detroit District’s New Lock at the Soo project in Sault Ste. Marie, Michigan, awards a total of $95.3 million for remaining Phase 3 options to Kokosing Alberici Traylor,...
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Contact

Detroit District Headquarters
477 Michigan Ave
Detroit, MI 48226

1-888-694-8313
LREPAO@usace.army.mil

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

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

Contact the Detroit District Office

Phone

  • Bay City Field Office: 989-684-5969
  • Construction Projects: 313-226-4761
  • Contracting: 313-226-4505
  • Dams: 313-226-2225
  • Detroit Arsenal Resident Office: 586-282-6025
  • Detroit District Headquarters: 888-694-8313
  • Detroit Project Office: Not listed
  • Dredging: 313-226-6127
  • Duluth Project Office: 218-720-5260
  • Emergency Operation Center: 313-226-1323
  • Employment Opportunities: 313-226-6813
  • Engineering and Technical Services: 313-226-6794
  • Environmental: 313-226-2476
  • General Information: 888-694-8313
  • Grand Haven Resident Office: 616-842-5510
  • Great Lakes Navigation: 313-226-6127
  • Great Lakes Water Levels: 313-226-6441
  • Marquette Field Office: 906-228-2833
  • Michiana Branch Office: 574-232-1952
  • Outreach Coordinator: 313-226-3387
  • Planning and Studies: 313-226-6760
  • Project Management: 313-226-6786
  • Public Affairs: 313-226-4680
  • Real Estate: 313-226-3480
  • Recreation: 877-444-6777
  • Regulatory and Permits: 800-493-6838
  • Sault Ste. Marie Project Office: 906-632-3311
  • Soo Locks: 906-635-3464
  • Surveys and Maps: 313-226-3776
  • Tribal Liaison: 313-226-3510

Mail

  • Bay City Field Office
    1501 North Henry, Rm. 126
    Bay City, MI 48706
  • Detroit Arsenal Resident Office
    6501 E. Eleven Mile, MS 119
    Warren, MI 48397
  • Detroit District Headquarters
    477 Michigan Ave
    Detroit, MI 48226
  • Detroit Project Office
    6309 W. Jefferson, Bldg. 414
    Detroit, MI 48209
  • Duluth Project Office
    600 Lake Ave. S.
    Duluth, MN 55802
  • Grand Haven Resident Office
    307 S. Harbor St.
    Grand Haven, MI 49417
  • Marquette Field Office
    228 West Washington Street, Suite 5
    Marquette, MI 49855
  • Michiana Branch Office
    2422 Viridian Drive, Ste. 200
    South Bend, IN 46628
  • Sault Ste. Marie Project Office
    312 W. Portage Ave.
    Sault Ste. Marie, MI 49783

Email