Limestone Coast Police detected two drink drivers on Saturday night.
At 6.30pm police stopped a 60-year-old man on Williams Road, Millicent for a mobile driver test.
He recorded a blood alcohol reading of 0.072.
Police checks revealed his vehicle was also was unregistered and uninsured.
He was reported for those offences and had his car impounded for 28 days.
At 10.30pm, a 23-year-old man was pulled over on Clezy Crescent, Mount Gambier.
He recorded a blood alcohol reading of 0.142.
The man was reported for drink driving
and issued with a six month instant loss of licence.
His vehicle was also impounded for 28 days.
Both drivers will be summonsed to appear in court at a later date.