Greater Parramatta and Olympic Peninsula Water Cycle Management

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Sydney Water is investing in more sustainable and long-term water treatment and supply to support population and economic growth in the Greater Parramatta to Olympic Peninsula precinct (GPOP).

GPOP is currently serviced by rainfall dependent water supply from Warragamba Dam, with wastewater transferred by the Northern Suburbs Ocean Outfall Sewer (NSOOS) to the North Head Wastewater Resource Recovery Facility (WRRF) for treatment and release to the ocean. The NSOOS and North Head WRRF do not have sufficient capacity to service the projected growth for the GPOP area.

Over the next 30 years, the GPOP precinct will be home to an additional 250,000 people. In order to service this anticipated growth, Sydney Water must invest in new infrastructure. Through the GPOP Water Cycle Management Project, we're taking the opportunity to shift away from our reliance on coastal treatment and ocean discharge of wastewater. This work will help to manage water as a precious resource through more integrated water cycle management.


About the project

A new Water Resource Recovery Facility (WRRF) plant is planned for GPOP, enabling future water reuse to sustainably service the Central City. The facility is to be located in Camellia, in the heart of the emerging GPOP growth corridor.

The project involves:

  • a new treatment plant in Camelia-Rosehill

  • upgrades to the pumping station in Rosehill

  • a pipeline transferring wastewater from the pumping station in Rosehill to the new WRRF

  • a brine pipeline connecting the new WRRF to the Northern Suburbs Ocean Outfall Sewer via the pumping station in Rosehill

  • a pipeline transferring advanced treated water from the new WRRF to the Parramatta River near Meadowbank Park


Project benefits

Benefits for the local community include:

  • efficient and cost-effective water services

  • high-quality, recycled water for a range of potential reuses

  • an integrated approach to water supply and overall waterway health

  • enabling a circular economy through renewable energy and resource recovery solutions

  • supporting efforts to improve water quality in the Parramatta River


Have your say

We encourage stakeholders and the community to find out more and provide feedback on this project so we can deliver it in a way that meets expectations.

To get involved:

Sydney Water is investing in more sustainable and long-term water treatment and supply to support population and economic growth in the Greater Parramatta to Olympic Peninsula precinct (GPOP).

GPOP is currently serviced by rainfall dependent water supply from Warragamba Dam, with wastewater transferred by the Northern Suburbs Ocean Outfall Sewer (NSOOS) to the North Head Wastewater Resource Recovery Facility (WRRF) for treatment and release to the ocean. The NSOOS and North Head WRRF do not have sufficient capacity to service the projected growth for the GPOP area.

Over the next 30 years, the GPOP precinct will be home to an additional 250,000 people. In order to service this anticipated growth, Sydney Water must invest in new infrastructure. Through the GPOP Water Cycle Management Project, we're taking the opportunity to shift away from our reliance on coastal treatment and ocean discharge of wastewater. This work will help to manage water as a precious resource through more integrated water cycle management.


About the project

A new Water Resource Recovery Facility (WRRF) plant is planned for GPOP, enabling future water reuse to sustainably service the Central City. The facility is to be located in Camellia, in the heart of the emerging GPOP growth corridor.

The project involves:

  • a new treatment plant in Camelia-Rosehill

  • upgrades to the pumping station in Rosehill

  • a pipeline transferring wastewater from the pumping station in Rosehill to the new WRRF

  • a brine pipeline connecting the new WRRF to the Northern Suburbs Ocean Outfall Sewer via the pumping station in Rosehill

  • a pipeline transferring advanced treated water from the new WRRF to the Parramatta River near Meadowbank Park


Project benefits

Benefits for the local community include:

  • efficient and cost-effective water services

  • high-quality, recycled water for a range of potential reuses

  • an integrated approach to water supply and overall waterway health

  • enabling a circular economy through renewable energy and resource recovery solutions

  • supporting efforts to improve water quality in the Parramatta River


Have your say

We encourage stakeholders and the community to find out more and provide feedback on this project so we can deliver it in a way that meets expectations.

To get involved:

  • Register for our next webinar - 18 February

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    Sydney Water will host a follow up webinar on Tuesday, 18 February 2025 from 12:00pm until 1:00pm.

    The online session is just one more way you can find out about the project, its benefits and potential impacts. It's also an opportunity to have your say on the project and share ideas on integrated water management for the region.

  • Translated Project Factsheets Now Available

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    With over 5 million customers, and an extra 2 million expected by 2050 we understand how diverse our community is here in Greater Sydney.

    Our Greater Parramatta and Olympic Peninsula project factsheets are now available online in 4 languages, including Simplified Chinese, Traditional Chinese, Arabic and Korean. These fact sheets will allow us to have a wider reach to the community across Greater Sydney. Sydney Water is committed to continuing to engage with multicultural communities, stay tuned for updates on what is coming up in your community.

    View Translated Projects Factsheets here.


  • Register for our webinar

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    Sydney Water will host a webinar on Wednesday, 29 January 2025 from 6:30pm until 7:30pm.

    The online session is just one more way you can find out about the project, its benefits and potential impacts. It's also an opportunity to have your say on the project and share ideas on integrated water management for the region.


  • Pop up display - Ryde Wharf Markets

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    On Sunday 27 October, Sydney Water hosted a display at the Ryde Wharf Markets to speak with locals about the GPOP Water Cycle Management Project and how this work supports a potential future purified recycled water (PRW) scheme.

    There were 24 conversations about the proposed GPOP project and 30 discussions on PRW. Most of the feedback was either positive or neutral, with good support for the benefits of the project. Questions from visitors to the stand included how the river release would work and other topics including recent media coverage on PFAS.

    Free shower timers and water bottles were provided to visitors to the stand.


  • Camellia Site Environmental Management Works Review of Environmental Factors

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    Sydney Water has published a Review of Environmental Factors (REF) for upcoming site environmental management work at Sydney Water’s Camellia site on Devon Street in Rosehill (Lot 1 DP1300589).

    The REF assesses potential impacts of environmental management work planned for the recently acquired site.

    Sydney Water plans to raise the site about 1.7m using natural material from tunnelling projects around Sydney. There will be about 15 trucks (30 truck movements) delivering material between these sites. Activities on site include erosion and sediment control, fencing and earthwork.

    Work will start in November 2024 with completion in mid-2026.

    A future Water Resource Recovery Facility (WRRF) is proposed for the site as part of the Greater Parramatta Water Cycle Management Project, and subject to State Significant Infrastructure approvals (SSI 74258485). The new WRRF will produce advanced treated water which will be released into Parramatta River. An Environmental Impact Statement (EIS) will be prepared for this Project and will be on display late 2025 for public comment.

    Your feedback is important to us, and the community will have ongoing opportunities to help us improve the project planning for this work. If you have any questions, please contact us on 1800 172 263 or gpopproject@sydneywater.com.au

  • Pop up display - Wentworth Point Night Markets

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    At the Wentworth Point Night Markets on Friday 4 October, Sydney Water hosted a display to share information about the GPOP Water Cycle Management Project, as well as provide information about how this project supports a potential future purified recycled water scheme.

    There were 29 conversations about the proposed GPOP project and 48 discussions on purified recycled water. Most of the feedback was either positive or neutral, with a lot of support for better ways of using and reusing water as a previous resource. Questions from visitors to the stand included enquiries about where the planned pipe alignment would be constructed, any potential impacts on communities, and when construction on the project would start.

    Complimentary shower timers and Sydney Water chatterboxes were popular with the younger visitors to the stand, who were shown how to fold their own chatterboxes.


Page last updated: 04 Mar 2025, 08:53 PM