US Army Corps of Engineers
Detroit District

Operations Office

Your source for Great Lakes dredging and survey information regarding projects in Lake Superior, Lake Michigan, Lake Huron, Lake St. Clair and western Lake Erie.


Project Overview Information

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Algoma Harbor, WI
Alpena Harbor, MI
Arcadia Harbor, MI
Ashland Harbor, WI
AuSable Harbor, MI
Bay Port Harbor, MI
Bayfield, WI
Belle River, MI
Big Bay Harbor, MI
Big Suamico River, WI
Black River, MI (Port Huron)
Black River, MI (Upper Peninsula)
Bolles Harbor, MI
Caseville Harbor, MI
Cedar River, MI
Channels in Lake St. Clair, MI
Channels in Straits of Mackinac
Charlevoix Harbor, MI
Cheboygan Harbor, MI
Chippewa Harbor, MI
Clinton River, MI
Cornucopia Harbor, WI
Detour Harbor, MI
Detroit River, MI
Duluth-Superior Harbor, MN & WI
Eagle Harbor, MI
Frankfort Harbor, MI
Grand Haven Harbor, MI
Grand Marais, MI
Grand Marais Harbor, MN
Grand River, MI
Grand Traverse Bay, MI
Grays Reef Passage, MI
Green Bay Harbor, WI
Greilickville Harbor, MI
Hammond Bay Harbor, MI
Harbor Beach Harbor, MI
Harrisville Harbor, MI
Holland Harbor, MI
Inland Route, MI
Kawkawlin River, MI
Kenosha Harbor, WI
Kewaunee Harbor, WI
Keweenaw Waterway, MI
Knife River, MN
La Pointe Harbor, WI
Lac La Belle Harbor, MI
Leland Harbor, MI
Les Cheneaux Islands, MI
Lexington Harbor, MI
Little Bay De Noc, MI
Little Lake Harbor, MI
Ludington Harbor, MI
Mackinaw City, MI
Manistee Harbor, MI
Manistique Harbor, MI
Manitowoc Harbor, MI
Marquette Harbor, MI
McQuade Harbor, MN
Menominee Harbor, MI & WI
Milwaukee Harbor, WI
Minnesota DNR Harbors, MN
Monroe Harbor, MI
Muskegon Harbor, MI
New Buffalo Harbor, MI
Oconto Harbor, WI
Ontonagon Harbor, MI
Pensaukee Harbor, WI
Pentwater Harbor, MI
Petoskey Harbor, MI
Pine River, MI
Point Lookout Harbor, MI
Pointe Mouillee CDF Entrance Channel, MI
Port Austin Harbor, MI
Port Sanilac Harbor, MI
Port Washington Harbor, WI
Port Wing Harbor, WI
Portage Lake Harbor, MI
Presque Isle Harbor, MI
Rouge River, MI
Saginaw River, MI
Saugatuck Harbor, MI
Saxon Harbor, WI
Sebewaing River, MI
Sheboygan Harbor, WI
Silver Bay Harbor, MN
South Haven Harbor, MI
St. Clair River, MI
St. James Harbor (Beaver Island), MI
St. Joseph Harbor, MI
St. Marys River, MI
Sturgeon Bay Harbor, WI
Taconite Harbor, MN
Tawas Bay Harbor, MI
Two Harbors, MN
Two Rivers Harbor, WI
Washington Island, WI
White Lake Harbor, MI
Whitefish Point, MI

Crooked River Lock & Weir Water Level Management


Operations Office
Chief, Technical Services Branch
(313) 226-4549
Fax: (313) 226-3519