The local active COVID-19 caseload reached 100 Saturday.
Lambton Public Health reported 16 new cases of the infection with 11 cases deemed resolved.
Since the pandemic began in March 2020 there have been 3,903 confirmed cases of the virus in Sarnia-Lambton, and 3,733 recoveries.
The death toll is unchanged at 70 and there are three outbreaks, down one since Friday.
On Friday, Bluewater Health had two COVID-positive patients in hospital.