A 37-year-old Adelaide man has been reported for drink driving after being caught with a blood alcohol reading more than five times the legal limit at Encounter Bay.

Police stopped the man on Mill Road, Encounter Bay, around 7.30pm on Tuesday, 17 June, for a mobile driver test. He returned a blood alcohol reading of 0.252.

The man was issued a 12-month instant loss of licence and had his vehicle impounded for 28 days. He will be summonsed to appear in court at a later date.