REF now on display

CLOSED: This discussion has concluded.

We're planning to start work focused on improving the water quality to local waterways around Castle Hill and Rouse Hill Water Recycling Plants. This work will ensure the reliability and resilience of our operations.

We have prepared a Review of Environmental Factors (REF), guided by the Environmental Planning and Assessment Act 1979. The REF looks at all the potential benefits and environmental impacts of the project as we build it and once it's up and running. The REF needs to cover all scenarios, even though there will be opportunities to improve or even eliminate some of these impacts as we continue to fine-tune this project. It includes:

  • the background to this project,
  • proposed construction activities, including work locations within the Castle Hill and Rouse Hill Water Recycling Plants, and
  • potential environmental impacts, including traffic and access.


The REF is on display from Monday 16 August to Sunday 5 September 2021.

You can view and download the REF from the Document Library.

The next step is for you to let us know what you think.

You are invited to make a written submission by Sunday 5 September 2021 via email to NorthWestTreatmentHub@sydneywater.com.au

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