Just how big is Lake Texoma? The surface area of Lake Texoma is 93,000 acres and it has 580 miles of shoreline.
Lake Texoma is located between the Texas and Oklahoma state line and is one of the largest reservoirs in the United States and the 12th largest US Army Corps of Engineers lake.
When it comes to the amount of water volume of Lake Texoma it is huge. It has a water volume of 2,525,568 acre-ft. That’s approximately 756,993,907,779 gallons of water.

How deep is Lake Texoma?
The lake at its deepest level is 110 feet in depth. The average water depth is 39.9 feet.