On Wednesday at 3:25 p.m., the Rainy River District OPP received a report of a traffic complaint on Highway 11 in Dawson Township.
Officers located the vehicle and driver in the area.
The driver, a 52-year-old Watten Township woman, failed the roadside test and was arrested and taken to the OPP detachment for breath tests.
The vehicle also was towed from the scene and impounded for the mandatory seven days.
The driver subsequently was charged with having a blood alcohol level over .08 mg.
She will appear in court in Fort Frances on July 4.