Skiatook Lake is a federally-owned and operated reservoir located in Osage County, Oklahoma, 4 mi west of the town of Skiatook, 11mi east of Hominy, Oklahoma and about 18mi from Tulsa. The Skiatook Dam is located on Hominy Creek, 14miles upstream of the confluence of Hominy and Bird Creeks. The project purposes include flood control, water quality, water supply, recreation, and fish and wildlife management. The cities of Skiatook, Sand Springs, Sapulpa, and Tulsa use Skiatook Lake as a municipal water supply. Gentle rolling hills of Blackjack and Post Oak interspersed with Tallgrass prairie surround the lake. The lake is under the management of the U.S. Army Corps of Engineers, Tulsa District.SizeAt elevation 714ft above sea level, the lake has a flat surface area of about 10500acres and 160 miles of shoreline. At normal levels the lake contains 322700acre.ft of water. Skiatook Lake is the fifteenth largest lake in Oklahoma in surface area and the eleventh largest in capacity (acre-feet). (See List of lakes in Oklahoma)HistorySkiatook Dam and Lake were authorized for construction by the Flood Control Act approved October 23, 1962 . It is one of five projects in the Bird Creek Basin plan recommended to meet the comprehensive water resources needs of the area. The total cost of the project was approximately $120 million. Land acquisition started in 1973. Construction began in May 1977 and was completed in 1984.