Lake Elmo Airport (FAA LID: 21D) is a public airport located just outside the city of Lake Elmo in Washington County, Minnesota, about 12 miles east of the central business district (CBD) of St. Paul. The airport covers 640 acres (259 ha) and has two runways. There are 74,227 takeoffs and landings annually and 183 aircraft are based at the facility. It is also home to a Civil Air Patrol squadron.
During World War II the airfield was used by the United States Army Air Forces
The Lake Elmo Airport is connected to the contamination at the Baytown Township Ground Water Plume Superfund site. The site is listed due to trichloroethylene contamination of a groundwater aquifer used for local drinking water supplies.
- ^ http://www.gcr1.com/5010web/airport.cfm?Site=21D&AptSecNum=0
- ^ a b MSP Reliever Airports: Lake Elmo Airport