9 of largest lakes of the United States by volume

Lake Okeechobee

Florida's biggest lake and the second largest freshwater body in the contiguous US is Lake Okeechobee. Florida's huge lake covers 734 square miles (1,900 square kilometers) and averages 8 ft 10 in (2.7 m).

Lake Oahe

Lake Oahe resembles a river. This is because Lake Oahe is the biggest man-made reservoir in the US. Oahe covers 685 square miles (1,774 square kilometers) and reaches 205 feet (62 meters).

Iliamna Lake

Alaska's biggest lake is Iliamna. With 1,012.5 square miles (2,622 square kilometers), Iliamna Lake is smaller than most of the lakes on this list yet exceptionally deep.

Lake of the Woods

Only a tiny portion of Lake of the Woods is in Manitoba, while the remainder is in northern Minnesota. Lake of the Woods extends 1,679 square miles (4,348.6 square kilometers).

Great Salt Lake

Great Salt Lake in Utah is the biggest natural lake west of the Mississippi. About 1,700 square miles (4,400 square kilometers) are covered.

Lake Ontario

Lake Ontario, the smallest Great Lake, is the 14th biggest lake by surface size at 7,340 square miles (19,000 square kilometers). Though smaller than Lake Erie, it is deeper at 393 cubic miles (1,640 cubic kilometers).

Lake Erie

Lake Erie is the smallest Great Lake by volume and below the three biggest. The smallest Great Lake, Lake Erie, with 116 cubic miles and 9,910 square miles (25,667 square kilometers) in surface area.

Lake Michigan

The other four Great Lakes are mostly in Canada, while Lake Michigan is totally in the US. Although Lake Michigan is the third biggest Great Lake by surface area, it is the second largest by volume.

Lake Huron

Although Lake Huron has the longest coastline, it is the second biggest Great Lake by surface area. The world's fifth biggest freshwater lake is Lake Huron.