United States Water Polo National Training Center 11200 Lexington Dr, Los Alamitos, CA90720 This site is located with in the U.S. National Reserve Base in Los Alamitos. Pool times and coaches available vary by…More training schedules and time of year. The pool is available to rent out for practice, team and individual training. Lifeguards are present, but also have various hours depending on the time of year and schedules. Call ahead for information regarding personal attention or team training times/open pool hours.