Greater Sydney Catchment
How much rain have we had?
Warragamba (24hrs to 9am)
How much water is in our dams?
How much water have we used?
The March 2021 rain event generated a major spill event at Warragamba Dam.
The volume of water spilling from Warragamba dam during the March 2021 rain event peaked at 500 GL/day – equivalent to the amount of water that Sydney Harbour is estimated to hold
Other Sydney supply dams also received inflows, with Nepean, Cataract, Cordeaux and Avon dams all spilling