WA reported a drop of about 1,000 cases of COVID overnight, with 6,158 new infections reported on Saturday.
There were also five deaths, four men and a 90-year-old woman, dating back to June 2.
There are currently 272 people with COVID in WA Hospital, with 11 in the intensive care unit.
The new cases bring the total number of active cases in the state to 39,264 and the total recorded since the start of the pandemic to 810,225 infections.
The 3,919 daily cases were confirmed from rapid self-reported positive antigen tests, while 2,239 were identified from 8,013 PCR tests.
It comes after the state government eased its mandatory vaccination policy on Friday.
The decision of the WA government to abandon the vaccination mandate for most workers in the state provoked a mixed reaction from WA companies.
While major companies such as Coles, Woolworths and BHP have decided to continue to block unvaccinated workers out of their jobs, the measure has led others such as Rio Tinto and Woodside Energy to drop their vaccination requirements, paving the way for hesitant workers. with vaccination rejoining the workforce.
Although the non-jab, jobless mandate for the resource sector in late 2021 sparked protests from FIFO workers, it is believed that all but 2 to 3 percent of workers met the requirements. .