Watertown Regional Airport, formerly Watertown Municipal Airport, is a city owned public use airport located 2NM northwest of Watertown, a city in Codington County, South Dakota, United States.The National Plan of Integrated Airport Systems for 2015-2019 categorized it as a non-primary commercial service facility. As per the Federal Aviation Administration, it had 4,348 passenger boardings (enplanements) in calendar year 2013, a decrease of 30.5% from 6,254 enplanements in 2012.HistoryDuring World War II, the airfield was used by the United States Army Air Forces. It was used as a Second Air Force cold weather bomber training base as an auxiliary to Sioux Falls Army Air Field, and by Air Proving Ground Command.B-17 Flying Fortress and B-24 Liberator units underwent advanced training before going overseas. One unit that trained here was the 702d Bombardment Squadron of the 445th Bombardment Group.Facilities and aircraftWatertown Regional Airport covers 919 acres (372 ha) at an elevation of 1,749 feet (533 m) above mean sea level. It has two runways: 12/30 is 6,898 by 100 feet (2,102 x 30 m) asphalt and 17/35 is 6,893 by 100 feet (2,100 x 30 m) concrete.
