Major Watersheds Major River basins Portions of 10 major river drainage basins in United States are located within the State of Minnesota. Each major river basin contains many major watersheds and Minnesota has 81 majorwatersheds or portions of major watersheds distributed among Lake Superior, Upper Mississippi River, Minnesota River, St. Croix River, Cedar River, De Moines River, Red River of the North, Rainy River, Missouri River, and Lower Mississippi River major river basins.
Lighter areas indicate higher elevations while darker areas are lower elevations.
More information on majorwatersheds Please refer to the webpages related to main drainage areas to find detailed landscape, landuse, waterquality and more features of majorwatersheds.