Police are appealing for public assistance to identify two men they believe were involved in a criminal damage at a water facility in Pykes Creek Road, Myrniong.
At 7.30pm on Tuesday 7 March two men entered the water facility after cutting and removing the access chain at the gate to the Tower Bridge.
The men are then believed to have damaged and removed a number of items which electronically monitor the water levels.
Investigators have released images and CCTV of the men they believe may be able to assist with their enquiries.
Anyone with information is asked to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au