Sydney’s Warragamba Dam has been overflowing, leading to concerns over the possibility of flooding in the region
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Sydney’s Warragamba Dam has been overflowing, leading to concerns over the possibility of flooding in the region

Since early Sunday morning, Warragamba Dam in Sydney’s southwest has been overflowing.

The weekend’s torrential downpour that lashed Sydney caused the dam, which was already at high levels, to start severely overflowing.

According to Water NSW, it is currently spewing water that is about equal to the amount of water in Sydney Harbour on any given day.

Before hitting a peak of 515 gigaliters on Sunday afternoon, the dam had an average spill rate of 240 gigaliters, which is greater than the 500 liters in Sydney Harbour.

The dam continued to overflow on Monday, but that amount dropped overnight to 380 gigalitres.

The rain that fell in the watershed today will have an impact on the spill volume from Warragamba, according to a statement from Water NSW.

In the Sydney network, “All Water NSW large dams continue to leak, but the rate is also decreasing.”

The spill volume and downstream tributary flows will ultimately combine to have an influence on the downstream.

As a result of the overflow, flooding may become a problem for areas near Warragamba Dam and in Western Sydney.

“Major to moderate flooding is the obvious concern,” Weatherzone meteorologist Andrew Schmidt told Daily Mail Australia.

“With all these dams at such high capacity before the rain occurred.”

According to forecasters, Sydney has already experienced the hardest rain from the wet weather phenomenon, and flooding is now the main worry for the next few days.

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