World Ocean Day marks next milestone to clean Vaucluse and Diamond Bay’s blue backyard

We're one step closer to changing history!

Below the cliffs of Vaucluse and Diamond Bay, wastewater flows directly into the ocean untreated and this is no longer acceptable. It’s time for change and we’re continuing to work to ensure this iconic area of Sydney gets the clean, blue backyard it deserves.

After years of planning, we’ve landed a solution that has the support of the local and wider Sydney community. Our solution will see wastewater diverted away from the ocean and sent to a nearby treatment plant in Bondi, maximising the use of Sydney Water’s existing network while keeping construction and environmental impacts to a minimum. We still need to build new infrastructure, but it’s just enough to get the job done.

We’ve been assessing the potential construction and environmental impacts of building this solution. This work is now complete and we have a Review of Environmental Factors (REF) for you to look at.

Head to the document library on the right to read our latest newsletter, providing an overview of the proposed solution and download the full REF.

Meet the team
With physical distancing in place, we have opted to host three virtual community information sessions. If you have some questions and would like to speak to the project team, please join one of our Zoom sessions.

  • Tuesday 16 June, 5.30pm to 7pm
  • Thursday 18 June, 5.30pm to 7pm
  • Wednesday 24 June, 5.30pm to 7pm

To register, go to

Make a submission

As this is a formal process, please send your written submissions to by Sunday 28 June 2020.

Spread the word

We’ve created a new app to share project information as we progress through planning and into construction. Download the App to your phone or tablet by following the prompts We want to reach out to as many people as possible, feel free to share the app with your friends, family or neighbours to keep everyone up-to-date on the project.

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