Largest lakes & reservoirs in Great Lakes Region, SD 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 3 articles we have published for Great Lakes Region, SD lakes.
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Below are lakes within USA > US Midwest Region > South Dakota > Great Lakes Region, SD > Compared by water volume. This list does not represent all lakes in Great Lakes Region, SD, only the 3 Great Lakes Region, SD 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… |
| Lake Francis Case, SD (Great Lakes Region, SD, South Dakota, US Midwest Region, USA) |
3,124,000 ac-ft | Lake Francis Case, one of the most popular recreation spots in the Great Plains, is located along the Missouri River in south-central South Dakota. La… |
| Lake Sharpe, SD (Great Lakes Region, SD, South Dakota, US Midwest Region, USA) |
1,621,000 ac-ft | Lake Sharpe, located on South Dakota Highways 50 and 47 near Chamberlain, and Reliance, is one of the four reservoirs constructed along the Missouri R… |