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News and Information

News and Information

Lake Superior Regulation

Lake Superior Outflow and Compensating Works Gate Settings for July 2016

The July 2016 Lake Superior outflow is 2,890 cubic meters per second (102,059 cubic feet per second), effective July 1, 2016.

The gate setting of the Compensating Works for the month of July will be remain at gate setting of a 3-gate equivalent.


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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