carnival games. In 2002, the $1.3 million Splash Playground was opened in Tempe Beach Park. The playground was both a way for kids to have fun in the water, and to learn about the water cycle before closing in 2017. The water kept flowing across the playground, where it was eventually collected, filtered, cleaned, and re-circulated in a state-of-the-art system. The amphitheater accommodates 5,000 people for concerts or outdoor trade shows. Boat Rentals of America operates its boat concession out of Tempe Beach Park. The Arizona State University Sailing Club, the Arizona Yacht Club and private boat owners sail out of the Tempe Town Lake Marina on the north bank of the lake. Several rowing clubs practice and race on the lake, including Rio Salado Rowing Club, Arizona State University's Rowing Club, Tempe Town Lake Rowing, and Tempe Junior Crew, as well as many private owners. All boat owners must have licenses. The Arizona Dragon Boat Association, the Gila Dragons Dragon Boat Team and several outrigger clubs all have their home on the lake. Events Annual events at Tempe Beach Park include the Fiesta Bowl New Year's Eve Block Party, Circle K Tempe Music Festival, Oktoberfest, APS Fantasy of Lights, Fourth of July fireworks show, and AVP Pro Beach Volleyball (now held in Glendale as of 2007). There are numerous charity walks and events at Tempe Town Lake, including the AIDS Walk Arizona & 5k Run and the Walk to Save Animals. The lake is the host of multiple triathlon events, including the Tempe International Triathlon, Life Time Tri, and Ironman Arizona Triathlon. The Ironman Arizona Triathlon each November. The swim portion of the race is held in Tempe town lake. Several regattas for rowing, sailing, and dragon boating occur throughout the year. There is also the annual Rowers Triathlon, which consists of a 4,000 meter erg piece, body circuits, and a five kilometer run. Description The lake was completed in 1999, using inflatable rubber barriers in the riverbed to confine water within its boundaries. It is nearly long, with an average surface area of , and an average depth of , for a total average volume of . The maximum depth of the lake reaches . The lake was initially filled with of water purchased from the Central Arizona Project. Evaporation and other water losses of per day are compensated through additional purchase of CAP water, exchanges of reclaimed