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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

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Upper St. Clair Bathymetric Comparison


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