News Headlines
From news.glin.net:

Detroit River: The good, the bad, the ugly
The Toledo Blade (11/17)
The Detroit River's rich history spawns environmental troubles, but hope surfaces.

Council of Great Lakes Industries, Consumers Energy and other member partners seek water management tools to ensure Great Lakes sustainability
MLive (11/14)
With funding from the Great Lakes Protection Fund, the Council of Great Lakes Industries and several of its member partners are evaluating sustainable water management tools.

Michigan communities grapple with upgrading water pipes
Great Lakes Echo (11/6)
The American Society of Civil Engineers estimates that Michigan will need to invest around $15-billion in its drinking and waste water systems over the next 20 years.

Surrounded by water, Ohio River Valley experiences economic resurgence
Circle of Blue (11/5)
Communities in the Ohio River Valley are leveraging their water resources, including the Ohio River, the busiest inland waterway in the U.S., to drive economic prosperity.

St. Lawrence River Board of Control says water to stay at prescribed levels
North Country Now (11/4)
The International St. Lawrence River Board of Control says after a review of water levels in the Lake Ontario-St. Lawrence River system, they will keep them as prescribed in Plan 1958-D.

Ballville Dam decision coming soon
The News-Herald (11/4)
As city council in Fremont, Ohio, nears a decision on whether to remove the Ballville Dam on the Sandusky River, wetland loss and sediment behind the structure are possible issues.

Questions?

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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: