US Army Corps of Engineers
Detroit District Website Website

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


Notice to Navigation Interests

2020 NTNI's:
​L20-07 12126 - Operational Status - West Lock Approach, South Canal, St. Marys Falls Canal, MI 
L20-06 12032 - COVID-19 Lock Operations Status Update, St. Marys Falls Canal, MI
L20-05 11998 - Operational Status and Lock Closings, St. Marys Falls Canal, MI
L20-04 11974 - Operational Status and Lock Closings, St. Marys Falls Canal, MI
L20-03 11811 - Ice Control Boom Removal, Course 2, Little Rapids Channel, St. Marys River, MI
L20-02 11634 - Operational Status and Lock Closings & Waterway Traffic Report, St. Marys Falls Canal, MI
L20-01 11609 - Operational Status and Lock Openings, St. Marys Falls Canal, MI



2019 NTNI's:
L19-14 - 11193 - Operational Status and Lock Closings, St. Marys Falls Canal, MI
L19-13 - 11192 - Operational Status and Lock Closings, St. Marys Falls Canal, MI
L19-12 - 11194 - Ice Control Boom Installation, Course 2, Little Rapids Channel, St. Marys River, MI
L19-11-1 - 11038-1 - Operational Status and Lock Closings, St. Marys Falls Canal, MI
L19-11 - 11038 - Operational Status and Lock Closings, St. Marys Falls Canal, MI
L19-10 - 10952 - Operational Status and Lock Closings, St. Marys Falls Canal, MI
L19-09 - 10810 - Ice Control Boom Work, Course 2, Little Rapids Channel, St. Marys River, MI
L19-08 - 10809 - Operational Status and Lock Closings, St. Marys Falls Canal, MI
L19-07 - 10738 - Operational Status and Lock Closings, St. Marys Falls Canal, MI
L19-06 - 10387 - Operational Status, St. Marys Falls Canal, MI
L19-05 - 10315 - Temporary Restricted Area, St. Marys Falls, MI
L19-04 - 10109 - Operational Status, St. Marys Falls, MI
L19-03 - 10071 - Operational Status and Lock Closings, St. Marys Falls, MI
L19-02 - 10060 - Ice Boom Status, St. Marys River, MI
L19-01 - 09817 - Operational Status and Lock Openings, St. Marys Falls, MI 

 

Crooked River Lock & Weir Water Level Management

Contact

Operations Office

Chief, Operations:
(313) 226-6127

Chief, Technical Services Branch:
(313) 226-4549

 

Coronavirus Information:

Coronavirus Information - https://www.usace.army.mil/coronavirus