Mt. Baldy Aquatics is a nonprofit 501(c)(3) organization under the direction of a parent volunteer board of directors elected annually by the membership. MBA has been in operation since 1975 and routinely has 40-80 swimmers in the water ranging in age from 7 to 18 years old.

MBA practices at Pendleton Pool, 210 E. 2nd Street in Claremont, CA, which is on the Pomona College campus and includes a 6-lane, 25-yard competition pool and springboard diving area.