Refresh Vaucluse and Diamond Bay

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Diamond Bay

Below the cliffs of Vaucluse and Diamond Bay, wastewater flows directly into the ocean untreated.

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. Under the Refresh Vaucluse Diamond Bay project we are building new infrastructure to divert the flows from the last three remaining ocean outfalls in Sydney to the Bondi Resource Recovery Facility (WRRF).

The project scope includes:

  • two new pump stations (one in Parsley Bay and one in Eastern Reserve)
  • 3km of new wastewater pipelines
  • upgrade existing infrastructure such us vent shafts and manholes

Whilst challenging, we know this is the right thing to do and we need you to get involved as we fix this problem once and for all.

Refreshing the wastewater system in Vaucluse and Diamond Bay offers multiple benefits—improving the harbour and coastal water quality, as well as protecting the health of the community and marine ecology.

In December 2023, Sydney Water appointed Abergeldie Complex Infrastructure (ACI) to partner with us to build the pump station at Parsley Bay as well as the pipeline to the Bondi treatment plant. ACI is an experienced civil engineering company with 25 years’ experience in delivering complex infrastructure projects in the utilities sector. Sydney Water will work closely with the ACI team to make sure construction activities are monitored and managed to the highest standards.

On 5 June 2024, the project team held a traditional Smoking Ceremony to mark the start of the construction of the project and honour the traditional lands of Birrabirragal Country at Parsley Bay.


Below the cliffs of Vaucluse and Diamond Bay, wastewater flows directly into the ocean untreated.

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. Under the Refresh Vaucluse Diamond Bay project we are building new infrastructure to divert the flows from the last three remaining ocean outfalls in Sydney to the Bondi Resource Recovery Facility (WRRF).

The project scope includes:

  • two new pump stations (one in Parsley Bay and one in Eastern Reserve)
  • 3km of new wastewater pipelines
  • upgrade existing infrastructure such us vent shafts and manholes

Whilst challenging, we know this is the right thing to do and we need you to get involved as we fix this problem once and for all.

Refreshing the wastewater system in Vaucluse and Diamond Bay offers multiple benefits—improving the harbour and coastal water quality, as well as protecting the health of the community and marine ecology.

In December 2023, Sydney Water appointed Abergeldie Complex Infrastructure (ACI) to partner with us to build the pump station at Parsley Bay as well as the pipeline to the Bondi treatment plant. ACI is an experienced civil engineering company with 25 years’ experience in delivering complex infrastructure projects in the utilities sector. Sydney Water will work closely with the ACI team to make sure construction activities are monitored and managed to the highest standards.

On 5 June 2024, the project team held a traditional Smoking Ceremony to mark the start of the construction of the project and honour the traditional lands of Birrabirragal Country at Parsley Bay.


  • Upcoming work in Carlisle St, Rose Bay in 2025

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    From 13 January 2025 we will be conducting potholing along Carlisle Street and Dover Road (approximately 15 metres south of the pedestrian crossing on Dover Road). The work will last up to three weeks, weather permitting.

    To minimise traffic impacts, we are planning this work during the school holidays. Our work will involve small sections of digging, trenching and saw cutting on the road and parking will be restricted, and areas of ‘no parking’ will be in place. To minimise parking impacts, we will be staging our work in sections as we work along Carlisle Street and Dover Road. The areas of ‘no parking’ will be clearly delineated with traffic barriers and signs advising of dates when no parking will apply.

    To ensure the safety of our crew, residents and road users, traffic control and signage will be in place. You can find out more information about our work here.


    Thanks for your patience during our work.

  • Christmas 2024

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    We thank the Vaucluse community and visitors to Parsley Bay for their patience during our project work in 2024.

    Over the Christmas period the site will be shut down from December 20, 2024 to Jan 6, 2025.

    If you have an urgent enquiry about Sydney Water services during the holiday period, please contact our faults line on 13 20 90.

    Have a safe and happy Christmas holiday!



  • Construction activities and traffic impacts on Hopetoun Avenue in 2025

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    From Monday 13 January 2025 to Monday 17 February 2025, we will be delivering and installing pipes on Hopetoun Avenue. Water trucks will be periodically parked on Hopetoun Avenue to facilitate the removal of excess water until the end of July 2025.

    To prepare for underground drilling, we will establish an exclusion zone on a section of the pedestrian path and nature strip on Hopetoun Avenue. This area will be used to unload pipework and install it along the closed pedestrian path leading to Parsley Bay Reserve. To help manage excess groundwater, water trucks will be temporarily parked on the shoulder of Hopetoun Avenue to connect to the and remove water as needed during our work. Up to 8 truck movements a day may be needed, depending on the volume of groundwater. Hopetoun Avenue will remain open to traffic and we will have traffic management in place to direct construction vehicles to our work area and to safely guide pedestrians and road users.

    The work area on Hopetoun Avenue is shown on the map below.



  • Upcoming work in January 2025, Parsley Bay

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    From Monday 6 January 2025 to Friday 31 January 2025, we will be delivering the underground drilling equipment to our construction site at Parsley Bay. The project team anticipates that we will start the construction of the pipe installation in late January 2025.

    Temporary removal of parking on Parsley Road

    The delivery route for the drill rig will remain open to traffic, however some parking on Fitzwilliam Road (approximately 4 spaces) and the eastern side of Parsley Road (approximately 20 spaces) will be temporarily removed for up to 7 days over a period of 4 weeks. This will provide safe access for delivery vehicles and to maintain traffic flow during the unloading process. The equipment will be unloaded on Parsley Road before being transported down Horler Avenue. Areas of ‘no parking’ will be clearly delineated with traffic barriers and signs advising of applicable dates. We will release parking once the deliveries are complete.

    The map below shows where the parking will be removed.



    We thank you for your patience during our work in Parsley Bay.

  • Construction work starts at the Caretaker's Cottage

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    New amenities at Parsley Bay by mid 2025

    Sydney Water has awarded the contract to construct the new amenities at the Caretaker’s Cottage to Gartner Rose, an experienced construction company with expertise in renovating heritage buildings. Gartner Rose is coordinating construction work and site access with the Parsley Bay pump station main work contractor Abergeldie Complex Infrastructure (ACI) to minimise our impacts to the surrounding community. Both Delivery Partners will be working together to schedule heavy vehicle movements to and from the site, minimise worker parking in local streets, minimise changes to pedestrian access and combine construction progress update for the local community.

    Although actual construction work is planned to start later, the site establishment will commence week starting Monday 14 October 2024. The new amenities building is expected to be completed in mid-2025, weather permitting.

    For more information please access the notification distributed to residents on Friday October 11, 2024.

  • Project progress update - September 2024

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    The project has reached significant milestones in September 2024.

    In Parsley Bay we will be demolishing the existing amenities in preparation for constructing the new pump station, starting construction of the new amenities at the Caretaker’s Cottage and closing one of the pedestrian access paths from Hopetoun Avenue and the access path from Parsley Road to ensure public safety.

    In Carlisle St Rose Bay, we are preparing for construction of a new wastewater pipeline in Rose Bay. This includes service investigation and potholing work along Carlisle Street and Dover Road. This work is scheduled to start in the week commencing 30 September 2024 and will last up to two weeks, weather permitting. To minimise traffic impacts, we are planning this work during the school holidays.

    We have issued notifications to residents in the Rose Bay and Vaucluse area to advise of our work.

    You can read the Parsley Bay notification in full and the Carlisle St notification here.

    We thank you for your patience during our construction work.



  • September 2024 community event in Parsley Bay

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    Thanks for meeting us on Saturday September 7, 2024.

    On a beautiful Spring Day in Parsley Bay, we met community members at the Parsley Bay Reserve to update everyone on our construction progress.

    Thanks to everyone who attended and asked us questions about the purpose of the project, our construction schedule and how we will minimise construction impact to the community.

    We will continue to meet with the community throughout the construction period and provide updates on our progress to build the new pump station and new amenities on the ground floor of the Caretaker’s Cottage. Temporary amenities will be available adjacent to the kiosk before the old amenities block is demolished.

    Throughout construction visitors will continue to have access via to facilities at Parsley Bay including the children’s playground, park and beach. Access to Parsley Bay will be maintained via Horler Avenue, Fitzwilliam Road, The Crescent and the additional northern access path on Hopetoun Avenue.

    Many thanks for your patience during our construction work.

  • Project update - August 2024

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    We would like to provide you with an update on the progress of the project and invite you to meet the team in Parsley Bay Reserve on Saturday 7 September 2024.

    Please follow the link here to read the latest newsletter.

    We look forward to meeting you on Saturday, September 7 between 10am and 12pm in the Reserve near the Kiosk.

  • Vegetation removal and the installation of temporary amenities at Parsley Bay

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    As we start construction in the Parsley Bay car park we are undertaking initial vegetation removal, tree pruning and weed management from August 16, 2024 for 2 -3 days. This involves around 17 trees including a mix of mature and juvenile trees in proximity to the existing toilet block. We will protect adjacent trees to ensure there is no impact to their root systems.

    From September 2024, the existing toilet block will be demolished in preparation for the new pump station and the excavation for the pump station will start in October 2024. You will be able to access temporary toilet and shower facilities in the park prior to the demolition of the existing toilet block.

    Our work hours

    Monday to Friday from 7 am to 6 pm and on Saturdays from 8 am to 1 pm. If we need to work outside these hours, we will notify residents in advance.

    The Reserve remains open to visitors, and you can access Parsley Bay via Horler Avenue, Fitzwilliam Road, Hopetoun Avenue and The Crescent.

    Thanks for your patience during our work.


  • Parsley Bay Kiosk Open for Business

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    You can still grab a drink, lunch or a snack at the Parsley Bay kiosk!

    To access the Parsley Bay Reserve please use the pedestrian tracks on Hopetoun Avenue, Fitzwilliam Road and The Crescent.

Page last updated: 16 Dec 2024, 06:52 PM