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COVID-19 pandemic has severe impacts on human health and economy worldwide. Aerosols and droplets are the major routes of transmission of SARS-CoV-2 coronavirus causing COVID-19 disease. However, wastewater is a possible transmission pathway. Therefore, many studies have been published about the relation of wastewater and COVID-19 disease. Many studies have shown the presence of viral RNA in wastewater throughout the world recently. Therefore, research on wastewater treatments and disinfection methods are needed. Communities must make sure that the virus is not transmitted via treated wastewater. This review focuses on the Saudi Arabian wastewater treatment and disinfection techniques to assess the possibility of SARS-CoV-2 transmission through wastewaters. In view of the current pandemic situation, the wide analysis of wastewater treatments in Saudi Arabia is needed. The review gives guidelines to develop the wastewater treatment in Saudi Arabia.