News Headlines
From news.glin.net:

Algae, pollution found in Grand Lake St. Marys now plague area canal
The Columbus Dispatch (7/29)
Grand Lake St. Marys was once a top recreation destination in western Ohio. Those days are long gone. Now the empty water is brimming with pollution and toxic algae.

EPA touts ‘strides’ in reducing algae in drinking water
The Detroit News (7/28)
The U.S. Environmental Protection Agency says it has made “strides” in reducing the amount of toxic algae that ends up in the nation’s drinking water.

Flint may get $7.2M in grants, loans for new pipeline
The Detroit News (7/26)
The state of Michigan is preparing a package of grants and loans to help Flint finance the construction of a new 5.5-mile pipeline that federal regulators are insisting on to test the city’s new Lake Huron water source.

New blue-green algae policies in place at water treatment plant
The Sarnia Observer (7/20)
Staff at the water treatment plant serving Sarnia and five other Ontario communities will keep an eye out this summer for blue-green algal blooms in Lake Huron, over its intake pipe.

COMMENTARY: Waukesha water decision is big win for entire region
Milwaukee Business News (7/11)
The decision by the Great Lakes governors to approve Waukesha’s request to tap Lake Michigan for its water supply is not only a big win for that city’s residents, but also a big victory for all of southeastern Wisconsin.

EDITORIAL: Keep a watchful eye on who gets our Great Lakes water
Chicago Sun-Times (7/4)
The agreement of Waukesha's request gives the power to monitor the deal to Canada and the Great Lakes states of Minnesota, Wisconsin, Illinois, Indiana, Michigan, Ohio, Pennsylvania and New York. It is no small responsibility.

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Great Lakes Commission

Consumptive Use Coefficients

To estimate consumptive use, the states and provinces apply various consumptive use coefficients as summarized in the table below.

data table

Developing more accurate consumptive use information is a regional priority. The following reports on consumptive use is available from U.S. Geological Survey Great Lakes Basin Pilot Publications page: