Largest lakes & reservoirs in Southwest Region, ND by water volume
The estimated volume of water that a lake contains is measured at the lake’s normal elevation. By this measure, the world’s largest freshwater lake is Siberia’s Lake Baikal.Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet. 1 acre-foot is equal to 325,851 US gallons. Siberia’s Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater – nearly 1 million gallons for every living person on earth.
The other – and more widely used – measure of a lake’s size is the lake’s surface acreage. By that measure, the world’s largest freshwater lake is North America’s Lake Superior.
Note: In the United States, an acre foot is a unit of volume used to refer to large-scale bodies of water. It is defined by the volume of water needed to cover 1 acre of surface area to a depth of 1 foot.
You can find many of the the world’s largest lakes (by water volume) on LakeLubbers. Note: For some lakes, the water volume data is unknown or does not apply, so you may see fewer lakes than the total 2 articles we have published for Southwest Region, ND lakes.
Thinking about booking a Southwest Region, ND lake vacation home rental, cabin or hotel?
Use our free interactive vacation rental map to search and compare multiple vacation properties at a glance. Enter a lake name, a state or city and then simply click on a listing to compare all similar properties, best rates and availability for your dates.Search results: Sort lakes by water volume
Below are lakes within USA > US Midwest Region > North Dakota > Southwest Region, ND > Compared by water volume. This list does not represent all lakes in Southwest Region, ND, only the 2 Southwest Region, ND lake articles we have published on the LakeLubbers website.
Lake name ![]() |
Water vol. in ac-ft ![]() |
Lake description |
---|---|---|
Lake Oahe, ND/SD (Great Lakes Region, SD, North Dakota, South Central Region, ND, South Dakota, Southwest Region, ND, US Midwest Region, USA) |
23,137,000 ac-ft | Lake Oahe, named after an Oahe Indian Mission, roughly translates “a foundation” or “a place to stand on.” Spanning 231 miles from Pierre, South Dakot… |
Bowman Haley Lake, ND (North Dakota, Southwest Region, ND, US Midwest Region, USA) |
18,765 ac-ft | (Also known as Bowman-Haley Lake) Bowman Haley Lake, located in Southwestern North Dakota, was once a Sioux hunting ground. Bowman Haley Lake is now a 1,740-acre lake surrounded by rol… |