NSW strategy paper recommends increased desalination, stormwater recycling and efficiency measures – but not drinking purified wastewater

Greater Sydney faces a 13% shortfall in its water supply within 20 years if the city continues to grow at its current rate while climate change makes rainfall less predictable.

A draft strategy on the city’s future water supply, released by the New South Wales government on Tuesday, says Sydney will need between 40 to 70 gigalitres extra within 20 years.

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