Watertown Regional Airport (IATA: ATY, ICAO: KATY, FAA LID: ATY), formerly Watertown Municipal Airport, is two miles northwest of Watertown in Codington County, South Dakota. The National Plan of Integrated Airport Systems for 2015-2019 categorized it as a non-primary commercial service facility. Federal Aviation Administration data says it had 4,348 passenger boardings (enplanements) in calendar year 2013, a decrease of 30. 5% from 6,254 enplanements in 2012.

Official Website: http://www.watertownsd.us/index.aspx?nid=146
Wikipedia link: http://en.wikipedia.org/wiki/Watertown_Regional_Airport
Airnav link: http://airnav.com/airport/KATY
Contact Number: +1 605-882-6209
Airport Address: 2416 Boeing Ave, Watertown, SD 57201, United States