Macau Olympic Aquatic Centre instead of chlorine. Macau Olympic Aquatic Centre The Macau Olympic Aquatic Centre (; ) is an aquatic center in Taipa, Macau, China. Inaugurated on March 28, 2003, the aquatic center covers a total area of 3,220 m and has a seating capacity of 1,500. The Aquatic Centre includes a diving pool 25 meters by 25 meters (with an adjustable floor capable of reaching a maximum depth of 5 meters) and a 50m swimming pool with 10 lanes. Both facilities comply with the latest FINA standards and are eligible for holding international competitions. Water quality is maintained by a sophisticated sanitizing
Swimming pool pool, certified by the Guinness Book of World Records The recreational diving center Nemo 33 near Brussels, Belgium previously held the record until the Y-40 was completed. The Fleishhacker Pool in San Francisco was the largest heated outdoor swimming pool in the United States. Opened on 23 April 1925, it measured and was so large that the lifeguards required kayaks for patrol. It was closed in 1971 due to low patronage. In Europe, the largest swimming pool opened in 1934 in Elbląg (Poland), providing a water area of . One of the largest swimming pools ever built was reputedly created