High Quality Content by WIKIPEDIA articles! Orinda Aquatics (OAPB) is a year-round swimming program located in Moraga, California. The community program serves nearly 1,000 swimmers in the Lamorinda area including Orinda, Moraga, Lafayette, and the surrounding areas. It is a non-profit organization directed at all levels of swimming and dedicated to the maximum development of each swimmer as an athlete and as an individual. Orinda Aquatics has approximately 115 year-round swimmers, 30+ College swimmers, over 550 Fall (summer-recreational) swimmers, 125 high school pre-season swimmers, and swimmers who participate in its spring clinics. In addition, it has a Masters program for swimmers who are ages 19 and up.