Dams and reservoirs

Dams and reservoirs

How Does It Work button

In the Greater Sydney region, WaterNSW manages a total of 21 storage dams (11 major dams) that can hold more than 2.6 million megalitres of water. Water for these dams is collected from five catchment areas covering 16,000 square kilometres.

WaterNSW is responsible for dam safety and for managing the water stored in all its dams and storages.

For details on each of the major storages for Sydney's drinking water:

What is a megalitre?

One megalitre is equal to 1,000,000 litres of water or a one metre deep Olympic-size swimming pool.

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55.7
Thursday 25 April
-0.4
1,437,192 ML
2,581,850 ML
9,952 ML
1,422 ML
-10,664 ML
Thursday 25 April