Lake Champlain is a 435-square-mile freshwater lake that borders two U.S. states, New York and Vermont, as well as the province of Quebec in Canada. At 120 miles long, it makes up the majority of Vermont’s western border with New York. The lake overall is rather skinny, at just 12 miles at its widest point, which provides great views of the Adirondack Mountains when looking west from the Vermont shoreline between Burlington in the north and Shoreham in the south. Lake Champlain is part of an 8,234-mile watershed that includes at least 16 major rivers, as well as water from Lake George in New York and supplies drinking water for approximately 250,000 people. The lake drains northward into the Richelieu River...