Rock Springs–Sweetwater County Airport is eight miles east of Rock Springs, in Sweetwater County, Wyoming. It is owned by the city and county. The airport sees one airline; scheduled passenger flights at Rock Springs used to be subsidized by the Essential Air Service program.Federal Aviation Administration records say the airport had 25,541 passenger boardings (enplanements) in calendar year 2008, 19,458 in 2009 and 20,993 in 2010. The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service airport (more than 10,000 enplanements per year).FacilitiesThe airport covers 1,242 acres (503 ha) at an elevation of 6,765 feet (2,062 m). It has two asphalt runways: 9/27 is 10,000 by 150 feet (3,048 x 46 m) and 3/21 is 5,228 by 75 feet (1,593 x 23 m).In the year ending December 30, 2010 the airport had 14,075 aircraft operations, average 38 per day: 85% general aviation, 15% air taxi, and