One new overseas-acquired case of COVID-19 was recorded in the same period, bringing the total number of cases in NSW since the beginning of the pandemic to 5111.
QLD has also recorded only one new case of the COVID-19 virus overnight, acquired overseas and detected in hotel quarantine.
NSW Health said 85,175 tests had been conducted this week in NSW, with 6249 in the past 24 hours.
Traces of COVID-19 were reported after sewage surveillance detection at Lennox Head on April 1, but there wee no traces detected on April 3.
The Courier Mail reported while there are now 72 active cases in Queensland, health authorities are confident they have the southeast's two clusters under control.