The Main Competition Pool of the IU Natatorium is 50-meters with eight racing lanes. Two moveable Bulkheads allow for long or short course events as well as hosting water polo and synchronized swimming. The seating capacity of the Natatorium is 4,700 making it the largest indoor pool in the United States. There is also room for additional seating of 1,500 on deck. The depth of the pool is 9 feet at the ends and 10 feet at center of pool. Water temperature is kept at 79 degrees. The main pool contains six underwater windows for television and coaching analysis. There are approximately one million gallons of water in the main pool. Currently there have been 101 American Records and 15 World Records set in the pool to date.
(IUPUI Natatorium Website)