Largest lakes & reservoirs in Oklahoma 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 48 articles we have published for Oklahoma lakes.
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Below are lakes within USA > US Southwest Region > Oklahoma > Compared by water volume. This list does not represent all lakes in Oklahoma, only the 48 Oklahoma lake articles we have published on the LakeLubbers website.
Lake name  |
Water vol. in ac-ft |
Lake description |
|---|---|---|
| Lake Texoma, OK/TX (Arbuckle Country, OK, Oklahoma, Prairies and Lakes Region, TX, Texas, US Southwest Region, USA) |
2,566,946 ac-ft | (Also known as Texoma Lake) An 89,000-acre jewel set into the landscape of Texas and Oklahoma, Lake Texoma is a sparkling wonder of deep blue water and beautiful green shores. Wi… |
| Eufaula Lake, OK (Green Country, OK, Kiamichi Country, OK, Oklahoma, US Southwest Region, USA) |
2,300,000 ac-ft | (Also known as Lake Eufaula) Spanning 105,000 acres, Eufaula Lake covers much of McIntosh and Pittsburg Counties in eastern Oklahoma. This “Gentle Giant” is the largest lake in su… |
| Grand Lake O’the Cherokees, OK (Green Country, OK, Oklahoma, US Southwest Region, USA) |
1,672,000 ac-ft | (Also known as Grand Lake Over the Cherokees) Grand Lake O’ the Cherokees stands out as a sapphire jewel tucked into the northeastern Oklahoma landscape. Created in 1940, the reservoir stretches f… |
| Broken Bow Lake, OK (Kiamichi Country, OK, Oklahoma, US Southwest Region, USA) |
954,100 ac-ft | (Also known as Broken Bow Reservoir) Broken Bow Lake is nestled in the Ouachita Mountains of McCurtain County in southeastern Oklahoma. Covering more than 14,200 acres with 180 miles of s… |
| Tenkiller Lake, OK (Green Country, OK, Oklahoma, US Southwest Region, USA) |
677,000 ac-ft | (Also known as Lake Tenkiller, Tenkiller Ferry Lake) Tenkiller Lake is an amazing place filled with fascinating history and natural beauty in the foothills of the Ozark Mountains. There’s tons of fun to… |
| Oologah Lake, OK (Green Country, OK, Oklahoma, US Southwest Region, USA) |
552,219 ac-ft | (Also known as Oolagah Reservoir) Located in the northeast corner of Oklahoma, in the Green Country region, Oolagah Lake hides a wealth of surprises for the visitor. Located just a hal… |
| Robert S. Kerr Reservoir, OK (Green Country, OK, Kiamichi Country, OK, Oklahoma, US Southwest Region, USA) |
525,688 ac-ft | (Also known as Kerr Lake) The Robert S Kerr Reservoir, located in east-central Oklahoma, is one of the most popular recreation destinations spanning the state’s Green Country a… |
| Keystone Lake, OK (Green Country, OK, Oklahoma, US Southwest Region, USA) |
505,381 ac-ft | Keystone Lake is an impressive 26,000-acre recreational gem located in north-central Oklahoma, just 15 miles west of Tulsa. Natural beauty surrounds t… |
| Kaw Lake, KS/OK (Kansas, Oklahoma, Red Carpet Country, OK, South Central Kansas, US Midwest Region, US Southwest Region, USA) |
406,540 ac-ft | (Also known as Kaw Reservoir) Kaw Lake is a large lake covering an area of 17,000 acres. Its three fingerlike “arms” lie in two midwestern states, Oklahoma and Kansas. Kaw Lake is… |
| Lake Fort Gibson, OK (Green Country, OK, Oklahoma, US Southwest Region, USA) |
365,200 ac-ft | (Also known as Fort Gibson Reservoir or Fort Gibson Lake) Fort Gibson is a historic place in United States military history. It was significant to many military expeditions; it was a site of negotiations, int… |
| Skiatook Lake, OK (Green Country, OK, Oklahoma, US Southwest Region, USA) |
322,700 ac-ft | (Also known as Skiatook Reservoir) Scenic Skiatook Lake covers 10,500 acres in northern Oklahoma’s Green Country, just 30 minutes from Tulsa. The lake’s 160 miles of shoreline are surro… |
| Sardis Lake, OK (Kiamichi Country, OK, Oklahoma, US Southwest Region, USA) |
274,333 ac-ft | (Also known as Sardis Reservoir) No visitor could be better served than by a visit to beautiful Sardis Lake. Located in Oklahoma’s Kaimichi Region, the reservoir is surrounded by moun… |