Wastewater Pipeline Duplication in Rockingham

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To help cater for expected growth and increase in wastewater flows we have installed a new 3.8km treated wastewater pipeline next to an existing pipeline in the City of Rockingham.

The pipeline, referred to as the Sepia Depression Ocean Outlet Landline (SDOOL), transports treated water from several wastewater treatment plants in the metropolitan area and other industries to the ocean outfall offshore from Point Peron.

We have now completed the pipeline installation and have been working with the City of Rockingham on a plan to rehabilitate the area. This reinstatement is complete.

Find out more information on the project on our webpage.

Who can I contact?

For more information, please contact Amy Wright, Senior Advisor Community Engagement at Amy.Wright@watercorporation.com.au on phone (08) 9420 2130.




To help cater for expected growth and increase in wastewater flows we have installed a new 3.8km treated wastewater pipeline next to an existing pipeline in the City of Rockingham.

The pipeline, referred to as the Sepia Depression Ocean Outlet Landline (SDOOL), transports treated water from several wastewater treatment plants in the metropolitan area and other industries to the ocean outfall offshore from Point Peron.

We have now completed the pipeline installation and have been working with the City of Rockingham on a plan to rehabilitate the area. This reinstatement is complete.

Find out more information on the project on our webpage.

Who can I contact?

For more information, please contact Amy Wright, Senior Advisor Community Engagement at Amy.Wright@watercorporation.com.au on phone (08) 9420 2130.



  • How did we do?

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    Your feedback matters to us.

    We’ve recently completed this project. We replaced a 3.8 kilometre section of treated wastewater pipeline between Ritchie Drive, and the Wastewater Treatment Plant on Point Peron Road.

    We'd like your thoughts on how we went. Your feedback will help us improve the future work that we do.

    Share your feedback by answering a 3-minute survey. Visit watercorporation.com.au/survey and click on ‘Rockingham pipeline duplication'.


  • Traffic management in place for remedial work

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    CLOSED: This discussion has concluded.
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    Friday 18 June - Safety Bay Road/Lake Street and Fisher Street traffic management

    Water Corporation is undertaking remedial work on Fisher Street, near the intersection of Fisher Street and Rosewood Street, and at the corner of Safety Bay Road and Lake Street. Traffic management will be in place for the day. This will involve a stop/slow traffic sign to maintain traffic going in both directions.

    This work is necessary to repair the area that was damaged as part of the pipeline installation project.

    To reduce the inconvenience, traffic management will not occur during school drop off or pick up. Please take care and follow the signs.


  • Reinstatement underway

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    CLOSED: This discussion has concluded.

    Now the construction is complete, the contractor is coordinating reinstatement of the area.

    Here is a brief update of the actions planned and in progress:

    • Limestone wall works underway, one last wall to be completed at Ritchie Drive.
    • Concrete footpaths to be completed by mid-February.
    • The area from Ritchie Drive to Bay View Street has several access chambers. The reinstatement will involve landscaping to reduce the visibility and avoid any trip hazards.
    • Trees and other planting to commence mid to late February.
    • The lawn around the basketball courts at Broughton Way Reserve is being restored.
    • Laying of the lawn along Lake Street commenced the week beginning 25 January. This should take around three weeks and be completed by mid-February.
    • Temporary irrigation, fencing and new lawn is been installed along Lake Street, near Lake Richmond. Once the planting is complete fencing will stay up until the lawn has been irrigated for six weeks. This is an agreed approach with the City of Rockingham to allow the lawn time to establish.


    All reinstatement work should be completed by the end of March 2021.