Rock Creek reservoir, also known as Scott King reservoir, is 7 miles (11 km) north of the city of Ardmore, Carter County, Oklahoma in the United States. Created in 1979, it is operated by the city of Ardmore as a water supply recreational area. The lake has a normal surface area of 232 acres (94 ha) with 5 miles (8 km) of shoreline and a mean depth of 14.5 feet (4.4 m). The lake has a capacity of 3,550 acre-feet (4,380,000 m).