Police are investigating three recent reports of graffiti in Millicent.
Officers believe the incidents are linked and are investigating some positive lines of enquiry.
Sometime between January 23 and 24, a toilet block on North Terrace was damaged by graffiti.
Furthermore, at some time between January 25 and 26, a toilet block alongside the Millicent Visitor Information Centre on Mount Gambier Road was also spray-painted.
The toilet block on North Terrace was again vandalised on January 31.
Anyone with further information is asked to contact Crime Stoppers online at www.crimestopperssa.com.au or via phone on 1800 333 000.
The vandalism has created extra work for the outside work crews of Wattle Range Council.