Apamurra is a locality in the Murray Mallee between the Mount Lofty Ranges and the Murray River in South Australia. Description. Apamurra was a station and siding on the Sedan railway line. The last train left the Apamurra silos in 2005. Its name is derived from an Aboriginal name for fresh water. A mural was created on a section of a pipeline in Apamurra. It was the first serious pipeline mural in South Australia.