USA Swimming is the National Governing Body for the sport of swimming in the United States. USA Swimming promotes the culture of swimming by creating safe and healthy opportunities for athletes and coaches of all backgrounds to participate and advance in the sport through clubs, events and education. Their membership is comprised of swimmers of every age and ability, all the way up to the Olympic Team, as well as coaches, officials and volunteers.
USA Swimming is responsible for selecting and training teams for international competition, including the Olympic Games, and administer competitive swimming in accordance with the Ted Stevens Olympic & Amateur Sports Act. 

Additional information can be found at: https://www.usaswimming.org/