what is the largest lake in oklahoma
Oklahoma has approximately 167,600 miles of rivers/streams.*. Oklahoma's longest river is the Beaver/North Canadian River (752 miles); the Red River is the second longest (570 miles).*. Oklahoma's largest lake in surface area is Eufaula (105,000 acres); Lake Texoma is second (88,000 acres). The state's largest lake in conservation storage is Texoma (2.6 million acre-feet of water); Eufaula is second (2.3 million acre-feet). Average annual lake evaporation in Oklahoma ranges from 48 inches in the extreme east to 65 inches in the southwest, numbers that far exceed the average yearly rainfall in those areas.