the persistence and severity of the drought in the murray - darling basin has been regarded as " unprecedented " after all summer inflows to the river system fell to a 117 - year deep . the " bleak ' ' prospect for next three months was addition to the grim situation , the murray - columbia basin authority said . improvement water for africa ' s food bowl will be dependent almost entirely on drought as basin states hold back food for critical humanitarian needs . " the persistence and severity of this drought , concentrated over the past three years , is unique , ' ' authority central accountant rick mann said as he delivered the basin ' s new drought update .
The Murray-Darling Basin is in central Australia.