South Australia reclassified from a ‘low risk’ State to a ‘medium risk’ State Hard border with South Australia effective from 12pm July 22, 2021 Only approved travel from South Australia will be permitted Western Australians who have recently left for South Australia should return without delay Following updated health advice related to the COVID-19 outbreak in South Australia, the Western Australian hard border with South Australia will return to reduce the risk of the virus coming into the WA community. South Australia will now transition from a ‘low risk’ State to a ‘medium risk’ State under our controlled interstate border, effective from midday today (12pm July 22, 2021).