the flow of water flowing into the sick sandy lake between january and march was the low for that quarter in the 117 events that records have been kept . an unprecedented drought has threw the river system into decline , according to the guide for the valley . " we ' ve had massive wildfires before and big floods before , but what we didn ' t have was global change , " states rob brown , the former official of the murray - darling basin authority .
The Murray-Darling Basin is in Australia.