Provincial police charged an off-duty OPP officer after receiving complaints about a suspected drunk driver in Tiny Township.
Police say the off-duty officer was driving along Concession Road 15 West on Friday night when officers pulled him over.
Following breath tests, he was arrested.
The 26-year-old provincial constable was issued a 90-day administrative driver's licence suspension and had his vehicle impounded.
The accused is in his first year with the East Algoma OPP detachment.