Lake water levels. How low will it go?

How low will it go? - mlive.com: "The International Joint Commission, a U.S.-Canadian panel that advises the two nations on Great Lakes issues, is studying water levels in lakes Michigan, Huron, Superior and Erie. A committee working on the IJC's International Upper Great Lakes Study will host a public hearing on lake levels Sunday, from 10 a.m. to noon, at Grand Valley State University's Annis Water Resources Institute, 740 W. Shoreline."