Konawa Reservoir is a reservoir located in Seminole County, Oklahoma. The lake covers approximately 1,350 acres and has a capacity of 23,000 acre-feet. It is owned by Oklahoma Gas and Electric Company. and was constructed in 1968-70, to provide cooling for a nearby gas-fired electric power generation plant. It impounds Jumper Creek, about 2 miles ea…Konawa Reservoir is a reservoir located in Seminole County, Oklahoma. The lake covers approximately 1,350 acres and has a capacity of 23,000 acre-feet. It is owned by Oklahoma Gas and Electric Company. and was constructed in 1968-70, to provide cooling for a nearby gas-fired electric power generation plant. It impounds Jumper Creek, about 2 miles east of the city of Konawa, Oklahoma.