Kitchi-Gami Almanac

Current Map of Lake Superior


Great Lakes Compact Moves Ahead

All eight of the eight states that border the Great Lakes have approved an agreement that regulates future withdrawals of water from the lakes’ basin, with Michigan the most recent state to act.

Illinois, Indiana, Minnesota, New York, Wisconsin, Ohio and Pennsylvania also have signed the Great Lakes Water Resources Compact, along with the Canadian provinces of Quebec and Ontario. It will now need approval from Congress.

Current U.S. federal law does not allow water diversions from the Great Lakes, which contain 90 percent of the United States’s fresh surface water.

Yet the compact was prompted in part by concern that states in the arid Southwest, where populations have been growing, may eventually try to tap into the Great Lakes.

“People are already looking enviously at this water,” Wisconsin Governor Jim Doyle remarked in signing the legislation this spring.


Lake Notes

Lake BulletLake Superior’s water level has made a dramatic comeback this year after mostly hovering near historic lows in 2007. In late June, the lake was 14 inches higher than last June (but still 5 inches below average).
Lake BulletMinnesota Pollution Control Agency and the U.S. Army Corps of Engineers agreed to work together on a study of the St. Louis River, St. Louis Bay and Duluth’s upper harbor that U.S. Representative Jim Oberstar of Minnesota calls “the first step of an important program to restore the river’s natural habitat.”


Lake Levels

Current Water Levels
The levels on the hydrographs are shown in both feet and meters above (+) or below (-) Chart Datum. Chart Datum, also known as Low Water Datum, for Lake Superior is 601.1 feet (183.2 meters). It is a reference plane to which water depth and Federal navigation improvement depths on navigation charts are referred.
Water Level Key


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