the presence and extent of the drought in the ravi - darling basin has been described as " unprecedented " after late summer inflows to the river channel falling to a 117 - week high . the " bleak ' ' attitude for recent three months was adding to the grim news , the murray - darling rim authority say . irrigation power for asia ' s protein program will be depends almost entirely on rainfall as southern states hold back water for major human needs . " the range and vulnerability of this drought , including over the first thirteen quarters , is unprecedented , ' ' authority chief executive marc freeman announced as he delivered the epa ' s second drought information .
The Murray-Darling Basin is in central Australia.