A number of cows were seen wandering the suburban streets of Harrisdale earlier this week after a motorist crashed into a paddock fence.
Police allege about 3.30am on February 5 a single occupant of a Mercedes sedan crashed into the paddock fence along Warton Road near Nicholson Road.
The 19-year-old Piara Waters man was taken to Armadale Hospital with minor injuries.
He has since been charged with one count of exceeding 0.08g of alcohol per 100ml of blood.
He will appear at the Armadale Magistrates Court at a later date.
Anyone who witnessed the incident or saw the vehicle driving in the area prior to the crash was asked to call Crime Stoppers on 1800 333 000 or make a report online at crimestopperswa.com.au.
Reports to Crime Stoppers can be made anonymously.