Skip to main content (Press Enter).
US Army Corps of Engineers
Detroit District Website Website
®
About
Mission and Vision
Leadership
History
FAQ
Budget
Multimedia
175 Years
Highlighted Projects
Frankenmuth Dam Fish Passage Project
Pike River Ecosystem Restoration Project
New Soo Lock
Great Lakes High Water
Business With Us
Contracting
Award Results
Small Business
Outreach Program and Customer Service
Missions
Civil Works
Dam Safety Program
Project Management
Project Information Sheets
Levee Safety Program
Engineering and Construction
Section 408
Emergency Operations
Environmental Services
Feasibility Study for Boardman River
Other Public Notices
Duluth, Minnesota: Dredged Material Placement
Grand River Habitat Restoration and Invasive Species Control
Great Lakes Information
Lake Winnebago
Great Lakes Water Levels
Coastal Program
Great Lakes Navigation
Great Lakes Restoration Initiative
Military Programs
Operations
Recreation
Soo Locks Visitor Center
Frequently Asked Soo Locks Questions
Lake Superior Maritime Visitor Center
Regulatory Program and Permits
Public Notices
Contact Us
Marquette Field Office
Soo Field Office
Grand Haven Field Office
Bay City Field Office
Michiana Branch Office
Detroit District Office
Regulatory Service Requests
Apply For A Permit
Regulatory News & Outreach
Mitigation
Automated Wetland Determination Data Form
Planning
Technical/Planning Assistance
Planning and Studies
Media
News Stories
News Releases
Videos
Images
Photo Contest
Library
Locations
USACE Locations
Careers
EEO
Contact
USACE Office Locator
Freedom of Information Act
Coronavirus
Home
/
Site Map
About
Mission and Vision
Leadership
History
FAQ
Budget
District Involved Projects
Kids to Parks Day Contest
Multimedia
175 Years
Highlighted Projects
Frankenmuth Dam Fish Passage Project
Pike River Ecosystem Restoration Project
New Soo Lock
Soo Locks and Great Lakes Navigation System
Study History
Economic Analysis
Planning Process
Groundbreaking
Soo Locks History
Great Lakes Districts
Great Lakes High Water
Business With Us
Contracting
Bid Results
Award Results
Small Business
Outreach Program and Customer Service
Missions
Civil Works
Dam Safety Program
Lower Fox River Dams
Public Meetings
Project Information
Status of Repairs
FAQ
History
Soo Locks
Public Meeting Schedule
Project Information
Public Meetings
Status Of Repairs
DavisLock
MacArthur Lock
Poe Lock
Sabin Lock
Powerhouses
Compensating Works
Project Management
Project Information Sheets
Levee Safety Program
LeveeFAQ
Fort Wayne
Engineering and Construction
CQM Information
CAD Standards
GnSBranch
MaxView
CNGBranch
Section 408
Emergency Operations
Great Lakes Hydraulics and Hydrology
Environmental Services
Feasibility Study for Boardman River
Other Public Notices
Duluth, Minnesota: Dredged Material Placement
Grand River Habitat Restoration and Invasive Species Control
Great Lakes Information
Contact Information
Links
Ordinary High Water Mark and Low Water Datum
Outflows
Discharge Measurements
Download Discharge Measurements
St. Marys River
St. Clair River
Detroit River
Niagara River
St. Lawrence River
Current Regulated Outflows
Lake Winnebago
Coordinating Committee
Coordinating Committee Information
Coordinating Committee Members
Coordinating Committee Publications
Coordinating Committee Vertical Control
Coordinating Committee Hydraulics
Coordinating Committee Hydrology
Coordinating Committee Routing Model
Flood Monitoring
Detroit District Disclaimer
News and Information
Great Lakes Update Articles
Weather Information
Great Lakes Water Levels
Current Conditions
Water Level Forecast
Weekly Great Lakes Water Levels
Connecting Channels Forecast
Monthly Bulletin of Great Lakes Water Levels
Water Level Outlook
Long Term Forecast
Historical Data
Water Level Data
Document Information and Assistance
Coastal Program
Coastal Engineering Services
Wave Absorbers
Wave Absorbers Locations
Regional Sediment Management
Technical Links
Coastal Processes
Section 111 Program
winnebago
Water-Level-Data
Basin-Conditions
Great Lakes Navigation
Structure Risk Communication
Great Lakes Harbor Fact Sheets
AlgomaHarbor
Fact Sheets
Arcadia Harbor
Functional Harbor Maps
Stakeholder Meetings
Dredged Material Management and CDF Fact Sheets
Functional Harbor Maps
Historic Funding Summaries
Great Lakes Restoration Initiative
Manistique River Area Fish Tracking Project
Military Programs
Operations
Algoma Harbor
St Marys River, MI
Alpena Harbor, MI
Duluth-Superior Harbor, MN & WI
Arcadia
Ashland Harbor, WI
Black River, MI (PH)
AuSable Harbor, MI
Cedar River, MI
St Clair River, MI
Bolles Harbor, MI
Belle River, MI
Bayfield, WI
Bayport Harbor, MI
Big Bay Harbor, MI
Black River, MI (UP)
Caseville Harbor MI
Cheboygan Harbor, MI
Clinton River, MI
Frankfort Harbor, MI
Grand Haven Harbor, MI
Green Bay Harbor, WI
Big Suamico River, WI
Charlevoix Harbor, MI
Lake St Clair, MI
Cornucopia Harbor, WI
Detour Harbor, MI
Detroit River, MI
Trenton Surveys
Sweep Surveys
Trentonmicrostation
Sweepmicrostation
Grand Marais, MI
Grand Marais Harbor MN
Eagle Harbor, MI
St Marys River, MI
Grand Traverse Bay, MI
Grays Reef Passage, MI
Grelickville Harbor, MI
Hammond Bay Harbor, MI
Harbor Beach Harbor, MI
Harrisville Harbor, MI
Holland Harbor, MI
Inland Route, MI
Kenosha Harbor, WI
Kewaunee Harbor, WI
Keweenaw Waterway, MI
Knife River, MN
Lac La Belle Harbor, MI
La Pointe Harbor, WI
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, WI
Marquette Harbor, MI
Menominee Harbor, MI&WI
Milwaukee Harbor, WI
Monroe Harbor, MI
Muskegon Harbor, MI
New Buffalo, MI
Oconto Harbor, WI
Oconto Harbor, WI
Ontonagon Harbor, MI
Pensaukee Harbor, WI
Pensaukee Harbor, WI
Pentwater Harbor, MI
Petoskey Harbor, MI
Port Austin Harbor MI
Port Sanilac, MI
Port Washington Harbor, WI
Port Wing Harbor, WI
Port Wing Harbor, WI
Rouge River, MI
Saginaw River, MI
Point Lookout Harbor, MI
Pine River, MI
Port Washington Harbor, WI
Portage Lake Harbor, MI
Presque Isle Harbor, MI
St. James Harbor, MI
Saugatuck Harbor, MI
Saxon Harbor, WI
Sebewaing River, MI
Sheboygan Harbor, WI
South Haven Harbor, MI
St. Joseph Harbor, MI
Sturgeon Bay Harbor, WI
Tawas Bay Harbor, MI
Two Harbors, MN
Two Rivers Harbor, WI
Washington Island, WI
White Lake Harbor, MI
Whitefish Point
Mackinac Island Harbor, MI
Mackinac Island Harbor, MI
Grand River, MI
Algoma Harbor, WI
Channels in Straits of Mackinac, MI
Algoma Harbor, WI
Kawkawlin River, MI
Point Mouillee, MI
Point Mouillee, MI
Point Mouillee, MI
Minnesota DNR Harbors, MN
Crooked River Lock and Weir Water Levels
McQuade Harbor, MN
Taconite Harbor, MN
Silver Bay Harbor, MN
Chippewa Harbor, MI
Recreation
Soo Locks Visitor Center
Frequently Asked Soo Locks Questions
National Historic Landmark
Soo Locks History
Winter Work at the Soo Locks
Soo Locks Animation
Explore the Soo Locks
Lake Superior Maritime Visitor Center
Regulatory Program and Permits
Public Notices
Jurisdiction Determinations
JURISDICTION OVERVIEW
Jurisdiction Determinations
0904
0903
0902
0901
1004
1003
1002
1001
1104
1103
1102
1101
1204
1203
1202
1201
1304
1303
1302
1301
Contact Us
Marquette Field Office
Soo Field Office
Grand Haven Field Office
Bay City Field Office
Michiana Branch Office
Detroit District Office
Regulatory Service Requests
Apply For A Permit
Frequently Asked Questions
Regulatory News & Outreach
Mitigation
Automated Wetland Determination Data Form
Planning
Technical/Planning Assistance
Planning and Studies
Media
News Stories
Record Low Water Levels
News Releases
Videos
Images
Media Advisory
Photo Contest
Library
Home
ProjOverview
GLHH
CassTest
CassTest2
Hot Info
Government Shutdown
Shutdown Guidance
Locations
USACE Locations
Careers
EEO
Contact
USACE Office Locator
Freedom of Information Act
Great Lakes Information
Great Lakes Information
Great Lakes Information
outflows
Outflows
Outflows
Great Lakes Navigation
Great Lakes Harbor Fact Sheets
Structure Risk Communication
Stakeholder Meetings
Functional Harbor Maps
Great Lakes Harbor Fact Sheets
Coronavirus