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Adelaide wharf

Adelaide Refinery

The former Adelaide Refinery at Port Stanvac, located south of Adelaide near Lonsdale, was demolished in early 2014 and a project is underway to remediate the site to a standard suitable for future industrial use.

Mobil is working closely with the South Australian Government, the Environment Protection Authority (EPA), other government departments and agencies as well as the Onkaparinga City Council, to ensure we take every care to minimise the impact of the project on our neighbours and avoid any risk to the surrounding community and the environment.

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Regular updates on activity are provided to the adjacent O’Sullivan Beach community, both at community meetings and directly via the Neighbourhood Watch newsletter.

If you have any queries about the Adelaide Refinery or would like more information, please contact us.


Mobil is responsible for assessing the environmental condition of the former Adelaide Refinery site and subsequently remediating it to a standard that is suitable for future use. We entered into a Voluntary Site Contamination Assessment Proposal with the EPA under which we have committed to carry out certain environmental assessment and remediation works, primarily focused on the boundaries of the refinery site.

After operations ceased in 2003, Mobil engaged an SA EPA-accredited Site Environmental Auditor to oversee regular environmental assessments of the refinery site and ensure there were no impacts offsite, such as into Gulf St Vincent. We continue to work cooperatively with the Auditor and the EPA on all aspects related to the environmental condition and assessment of the site. Mobil’s environmental consultants conduct six-monthly sampling and analysis of some 150 groundwater wells around the site. 

Sufficiently remediating the site to a standard suitable for future industrial use is likely to take up to 10 years.

Port Stanvac wharf

The industrial Port Stanvac wharf, which extended 670 metres into the deep waters of Gulf St Vincent at the former Adelaide Refinery site has been removed and Mobil is finalising remediation of the foreshore in order to be able to hand the area back to the South Australian government.

Following commitment by the South Australian Government in late 2015, Mobil has agreed to fund upgrade works of the 215-metre rock groyne that forms part of the wharf structure so that it can be retained for future use. 

Upgrade works estimated at over $5 million include adding a walkway along the top of the groyne so that it can be safely accessed once the foreshore area is reopened to the public.

Mobil is prioritising works along the foreshore so it can be safely opened to the public for recreational purposes such as fishing and diving by around 2020 (subject to approval by the South Australian Environment Protection Authority and as determined by the South Australian Government).

To ensure public safety, access to the refinery site and area surrounding the former wharf is necessarily restricted.  Marine area restrictions are established and enforced by the South Australian Government, as outlined in the exclusion zone notice and associated published Regulations.


Downloadable community announcements, fact sheets and images:

Adelaide Refinery videos:

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