In the past few days the New South Wales mid-north coast has been hit by one in 100 year floods, while the Sydney metropolitan area is facing one in 50 year floods.
Homes have been lost, businesses ruined and communities devastated.
The NSW SES has received more than 7000 calls for help since Thursday and has performed more than 680 flood rescues.
And forecasters have warned the worst may still be to come.
Here are the photos that best highlight the destruction caused by the relentless rain.
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Originally published as Most shocking photos from NSW floods