US Army Corps of Engineers
Detroit District

Notice

Over the coming weeks, we will be updating our Great Lakes Information website.

You can expect to see some exciting new pages, along with a reorganization of the site to ease navigation. Page changes will be set up with temporary redirects, but please update any bookmarks you have saved. We hope these improvements will help to better educate, inform, and inspire everyone that visits our site.

If you experience any difficulties finding information you rely on, please contact us at (313) 226-3020 or hhpm@usace.army.mil.

Links

Buffalo District
US Army Corps of Engineers
 
CHS 
Canadian Hydrographic Service
 
Coordinated Great Lakes Physical Data - May 1977 - High Resolution PDF (~46MB)
A high resolution PDF version of the Coordinated Great Lakes Physical Data - May 1977 report.
 
Coordinated Great Lakes Physical Data - May 1977 - Medium Resolution PDF (~30MB) 
A medium resolution PDF version of the Coordinated Great Lakes Physical Data - May 1977 report.
 
Coordinating Committee on Great Lakes Basic Hydraulic and Hydrologic Data
The Coordinating Committee on Great Lakes Basic Hydraulic and Hydrologic Data. The functions and members of the Coordinating Committee.
 
GLIN 
Great Lakes Information Network
 
IJC 
International Joint Commission
 
International Great Lakes Datum 1985
The date, 1985, is the central year of the period 1982-1988 during which water information was collected for preparing the datum revision.
 
International Lake Superior Board of Control 
Information regarding the Lake Superior outflow controls on the St. Marys River.
 
International Niagara Board of Control
Information Regarding the Structures on the Niagara River and the outflow of Lake Erie
 
International St. Lawrence River Board of Control
Information regarding the Lake Ontario outflow controls on the St. Lawrence River.
 
Lake Michigan Diversion Accounting Information Web site
The diversion of water from the Lake Michigan watershed is of major importance to the Great Lakes states and to the Canadian province of Ontario. The states and province that border the Great Lakes have concerns with the long term effects of diversion. To insure that the concerns of these interested parties are considered, the U. S. Army Corps of Engineers has been given the responsibility for the accounting of flow that is diverted from the Lake Michigan watershed.
 
Navigation in southern Lake Michigan
The Chicago District operates and maintains eight navigation projects on the Illinois and Indiana shores of Lake Michigan. Our mission encompasses lock operations and maintenance, breakwater repair, maintenance dredging, and the collection of hydrographic survey data
 
NOAA
National Ocean Service
 
Ordinary High Water Mark and Low Water Datum Information
Find the Ordinary High Water mark or Low Water Datum in your area

Document Information and Assistance

NOTICE:  Not all documents accessible via this page are readable using optical character recognition (OCR). For more information and/or assistance please call 313-226-6441.