Largest lakes & reservoirs in Great Plains Country, OK 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 6 articles we have published for Great Plains Country, OK lakes.
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Below are lakes within USA > US Southwest Region > Oklahoma > Great Plains Country, OK > Compared by water volume. This list does not represent all lakes in Great Plains Country, OK, only the 6 Great Plains Country, OK lake articles we have published on the LakeLubbers website.
Lake name  |
Water vol. in ac-ft |
Lake description |
|---|---|---|
| Waurika Lake, OK (Great Plains Country, OK, Oklahoma, US Southwest Region, USA) |
190,200 ac-ft | (Also known as Waurika Reservoir, Lake Waurika) Located on Beaver Creek, a tributary of the Red River, Waurika Lake was created to provide flood damage reduction, irrigation, water supply, water qua… |
| Lake Altus-Lugert, OK (Great Plains Country, OK, Oklahoma, US Southwest Region, USA) |
132,830 ac-ft | (Also known as Lugert-Altus Reservoir) Lake Altus-Lugert is a 6,260-acre reservoir nestled in the Great Plains region of Southwest Oklahoma. The lake is located 17 miles north of the town o… |
| Lake Ellsworth, OK (Great Plains Country, OK, Oklahoma, US Southwest Region, USA) |
95,200 ac-ft | Lake Ellsworth is a 5,600-acre reservoir nestled in the Great Plains region of Southwest Oklahoma. The City of Lawton completed Ellsworth Dam in 1962,… |
| Tom Steed Lake, OK (Great Plains Country, OK, Oklahoma, US Southwest Region, USA) |
88,970 ac-ft | (Also known as Tom Steed Reservoir) Tom Steed Lake lies on West Otter Creek, nestled in the heart of the Great Plains Country, north of the Oklahoma-Texas border. Boasting 31 miles of sh… |
| Fort Cobb Lake, OK (Great Plains Country, OK, Oklahoma, US Southwest Region, USA) |
75,021 ac-ft | (Also known as Fort Cobb Reservoir) Fort Cobb Lake is in the beautiful Great Plains Country region of southwestern Oklahoma surrounded by plains, prairies and hills. The Great Plains, si… |
| Lake Lawtonka, OK (Great Plains Country, OK, Oklahoma, US Southwest Region, USA) |
55,574 ac-ft | Lake Lawtonka is a 2,400-acre reservoir with just under 20 miles of shoreline located in Comanche County, part of Great Plains Country in southwestern… |