Crews are on the scene trying to repair it.
Engineers from Wannon Water are working to repair a burst water main in East Warrnambool.
It's believed a pipe ruptured near the Simpson and Bostock Street intersections earlier this afternoon.
It's not known how long repairs will take, but Wannon Water is working to make them as quickly as possible.
The main has damaged parts of the footpath, as well as a section of the nature strip.
It's not known how many customers have been affected by the incident.
Anyone experiencing issues with their water supply is asked to contact Wannon Water.
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