There are calls for the state government to reintroduce water restrictions in Sydney as the drought continues.

The desalination plant will be switched on in days when dam levels reach 60 per cent, the automatic trigger point.

New South Wales Greens water spokesman Justin Field tells Steve Price the plant is necessary but expensive and should be part of a strategic plan.

“It offers some support for our falling dam levels and water security, so it’s going to be turned on.

“But it makes no sense if we’re going to turn it on, it’s going to cost us more money, that we continue to allow the dam to run down by not encouraging water safety measures, including water restrictions.”

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