The push to map all five Great Lakes bottoms is a daunting task. The lakes cover 244,106 square kilometres — and depths range from 64 metres in Lake Erie to more than 396 metres in parts of Lake ...

As of May 9, 2025, the U.S. Army Corps of Engineers update, recorded the water levels for each lake, here are the levels: Lake Superior: 601.10 feet Lake Michigan-Huron: 577.50 feet Lake St. Clair ...