↑Although it forms one a single hydrological unit with Lake Michigan (their surfaces are at the same elevation and the water flows in either direction in the channel separating them), they are generally considered distinct lakes, and Lake Michigan is generally considered the largest lake entirely within the United States, as Lake Huron and Lake Superior are binational (shared with Canada).
↑The area of Devils Lake was taken from the summer 2011 record peak of 14.544 ft (4.433 m) MSL. Devils Lake has experienced severe flooding and has risen more than 31 kaki (9,4 m) since 1993. Area has increased by 4 times.
