Police allege the officer struck a light standard in the area of Courtneypark Drive and Hurontario Street around 1 a.m. Sunday, then drove off.
They say he was arrested shortly afterward.
Const. Wayne Parkins of Peel Regional Police is charged with impaired driving, excess blood alcohol and failure to remain at the scene of an accident.
Police say he has been suspended with pay and is due in court Sept. 17.