The site is significant as a place with multiple layers of history, use and association with prominent people and industrial processing. A Heritage Precinct is established in the Lake Macquarie DCP and relates to lots along the eastern and western sides of Main Road between First Street in the north to Eighth Street in the south.

Heritage Conservation Strategy

Responding to the landmark qualities of the site by providing public access to Munibung Hill and by creating a landmark landscape form for the containment cell as a reflection of past activity on the site and as a viewing platform over the site.