Lake Superior Lake Superior Lake Superior (; ), the largest of the Great Lakes of North America, is also the world's largest freshwater lake by surface area, and the third largest freshwater lake by volume. The lake is shared by the Canadian province of Ontario to the north, the U.S. state of Minnesota to the west, and Wisconsin and the Upper Peninsula of Michigan to the south. The farthest north and west of the Great Lakes chain, Superior has the highest elevation of all five great lakes and drains into the St. Mary's River. The Ojibwe name for the lake is "gichi-gami"
Lake Wallenpaupack from Pennsylvania's list of impaired waters in 2016, twenty years after having been so designated. The lake is used as an educational resource to teach ecology to students of the Wallenpaupack Area School District. The Lake Wallenpaupack Watershed Management District (LWWMD) is a nonprofit organization started in 1979 and dedicated to improving the water quality of the lake. Lake Wallenpaupack Lake Wallenpaupack is a freshwater lake in northeastern Pennsylvania. It is the third largest lake in Pennsylvania measuring 52 miles of shoreline, 13 miles in length, 60 feet deep at points, and has a surface area in excess of 5,700