Kammala jumla mai zuwa: Brisbane ta cika da ambaliyar ruwa mai yawa na Kogin Brisbane a 1864, 1893, 1897, 1974, 2011 da 2013. An kafa cikakken tsarin rage ambaliyar ruwa don yankin kogin Brisbane bayan ambaliyar 1974. Tun daga wannan lokacin garin ya kasance ba shi da ambaliyar ruwa, har sai da
ambaliyar ruwa a watan Janairun 2011 da ambaliyar 2013.