A woman was apprehended drink driving in Port Lincoln on Wednesday night with a child under 16 years old in the car.
Just after 11:45pm, police were performing mobile random breath testing on Liverpool Street when they stopped a Toyota station wagon.
The driver returned a positive reading of 0.137.
The 41-year-old Port Lincoln woman had her licence disqualified for six months and had her car impounded for 28 days.
Police also reported her for drink driving with a child under 16 years in the vehicle and failure to have an approved child restraint fitted.
She will be summonsed to appear in court at a later date.