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News and Information

Lake Superior Regulation


Lake Superior Outflow and Compensating Works Gate Settings for May 2016

The May 2016 Lake Superior outflow is 2,400 cubic meters per second (84,755 cubic feet per second), effective May 3, 2016.

The gate setting of the Compensating Works for the month of May will be increased to a gate setting of a 3-gate equivalent, up from the previous 1-gate equilivent.

 

Water Level Summaries


Current Water Level Summary               

Past Water Level Summaries                              

           

 

Great Lakes Update Articles


The Current Great Lakes Update Article

Past Great Lakes Update Articles

             

Upper St. Clair Bathymetric Comparison


 

Great Lakes Datum Information


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