High Quality Content by WIKIPEDIA articles! The West Australian Football League (WAFL) has utilised a number of different grounds since its formation in 1885. This list comprises grounds currently in use (that is, used in the 2011 season, grounds formerly in use and defunct grounds. Under the laws of Australian football, a ground must be grassed, have a minimum length of 135 metres (443 ft) and a minimum width of 110 metres (360 ft).