The Sarnia Police Service said Joseph McMillan has been found.
The 45-year-old was reported missing Sunday morning but has since been located and is safe.
Police thank the public for their help in the matter.
Sarnia police seized over $20,000 worth of fentanyl, cocaine and other controlled substances in a drug bust Thursday.
The advisory was issued on Thursday, March 27 after 500 to 700 litres of crude oil spilled into the river from Suncor's cooling water system.
The group acknowledged Friday afternoon that William Tooshkenig had died.
A 35-year-old Sarnia man has been charged with drug trafficking after three people were allegedly caught smoking fentanyl behind an Exmouth Street business.
Sarnia police are reminding motorists that disobeying road closed signs could you land in some troubled waters.
Strathroy-Caradoc Police responded to a serious motor vehicle collision on Longwoods Road, between Glen Oak Road and Sutherland Road, at around 12:40 p.m. Wednesday.