The Lakes

The Great Lakes -- Erie, Huron, Michigan, Ontario and Superior -- are among the most important bodies of water in the world. They are the largest readily accessible source of freshwater on Earth – roughly 20 percent of the total supply -- and contain more than 80 percent of North America’s surface water supply.

Ways to Connect

Great Lakes watershed gets new signs

May 27, 2016

The next time you’re taking a leisurely drive through the region’s Great Lakes watershed, you'll find some new signage displayed along the way.

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