Interactive Map of Great Lakes Watersheds - click on an individual watershed for land use and population info
| Watershed area: | 30,116 miles2 | 78,000 km2 |
|---|---|---|
| Water residence time: | 2.6 years | |
| Basin population:a | 10,017,530 U.S. citizens | 1,664,639 Canadians |
| # of fish species: | 107 (90 native, 17 introduced) | |
aCoordinating Committee on Great Lakes Basic Hydraulic and Hydrologic Data, Coordinated Great Lakes Physical Data. May, 1992
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