Picton Treatment, Reuse and Discharge

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We are looking at how we manage the recycled water at the Picton Recycled Water Plant. The plant currently treats wastewater from up to 5000 homes and businesses in Picton and the surrounding area, producing recycled water which is used to irrigate our Picton Farm. The farm is at capacity and we’re looking at alternative ways we can manage the excess recycled water by increasing reuse to keep precious water in the community.

We are looking at how we manage the recycled water at the Picton Recycled Water Plant. The plant currently treats wastewater from up to 5000 homes and businesses in Picton and the surrounding area, producing recycled water which is used to irrigate our Picton Farm. The farm is at capacity and we’re looking at alternative ways we can manage the excess recycled water by increasing reuse to keep precious water in the community.

  • Review of Environmental Factors Submission Closed

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    21 Jan 2021

    Thank you for visiting the Picton Treatment, Reuse and Discharge Project.

    We have closed the submissions for the Review of Environmental Factors (REF). We appreciate all the feedback that was sent through.

    Sydney Water will be going through the submissions and a Decisions Report will be published addressing all responses.

    If you have any further enquiries, please email WestRegionDelivery@sydneywater.com.au or subscribe to the website to be notified of any updates.

  • Picton Bypass

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    07 Dec 2020

    Sydney Water has been engaging with Transport NSW for the proposed Picton Bypass. We understand the concerns the community may have with respect to capacity and managing the recycled water at the Picton Treatment Plant. Our Review of Environmental Factors is currently on display as we work to increase reuse and discharge at the treatment plant.

    TfNSW is aware of the important role the farm plays in the treatment process. We will continue to work with TfNSW to understand timeframes and potential impacts. The intention is to not impact our capacity to manage recycled water through reuse with mitigation where possible in any future design of the road and equivalent offset irrigation areas where needed.

  • Book in to one of our Online Community Sessions

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    26 Nov 2020

    Hear more about the Picton Treatment, Reuse and Discharge project by attending one of our online community sessions.

    Our team will provide you with more information, and you will get the opportunity to provide feedback.

    Each session is expected to be 1 hour long. We have allowed additional time for extra questions if required.

    • Session 1: Tuesday 1 December 12pm - 1:30pm
    • Session 2: Wednesday 2 December 6pm - 7:30pm

    You can book into a session here(External link).

    If you are unable to attend an online session, please call 1800 953 818 to book time to talk to someone about our project.

  • Review of Environmental Factors

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    16 Nov 2020

    The Review of Environmental Factors (REF) is available to download. We are seeking feedback and invite you to make a written submission. Submissions will be accepted up to 5 pm Sunday 13 December 2020. You can also make a submission by email to WestRegionDelivery@sydneywater.com.au.

    The REF considers how the construction and operation of the project will impact and/or benefit the surrounding environment. It assesses:

    • waterway health
    • soils/geology
    • flora and fauna
    • air quality
    • waste management
    • heritage
    • noise
    • visual impacts

    View the full Review of Environmental Factors (REF) here.

    Make a submission here.

  • Picton Water Recycling Plant

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    20 Oct 2020
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    The Picton Water Recycling Plant services Picton, Tahmoor, Thirlmere, Bargo and Buxton. As these communities continue to grow wastewater inflow to the plant has increased, exceeding our capacity to reuse the recycled water at the Picton Farm.

    We currently use the recycled water for irrigating 119 hectares of land at our Picton Farm. On occasions, we also need to discharge excess recycled water into Stonequarry Creek. This is controlled through an Environmental Protection Licence which is regulated by the NSW Environmental Protection Authority (EPA).

    Developing a new approach to managing the recycled water is complex and challenging, but essential to allow new homes and businesses to connect to the wastewater system.

  • Our solution

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    20 Oct 2020
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    We’re looking to upgrade the Picton Water Recycling Plant to:

    • improve the quality of the recycled water produced after treatment
    • extend recycled water use to nearby farms, where feasible and subject to landowner agreement
    • seek greater flexibility in our licence to discharge excess recycled water to Stonequarry Creek or alternatively discharge directly to the Nepean River.

    Although we are looking to maximise recycled water use this is often highly dependent on weather and other factors, so discharge of excess recycled water to the waterways will still need to increase. We are looking at additional discharge at the existing location to Stonequarry Creek or a proposed new discharge into the Nepean River, just below Maldon Weir.


  • Benefits

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    20 Oct 2020
    • The Picton treatment and reuse project will allow for residential, commercial and employment growth and development
    • Our preferred pathway looks to maximise the opportunities to increase recycled water for local agribusiness
    • Building on our last 20 years’ experience at the Picton Farm, to expand a sustainable, resilient and productive wastewater servicing approach
    • Looking at other ways beyond this project to effectively improve our treatment process
    • Monitoring and protecting local waterways, maximising reuse, keeping customer costs low and minimising the impact to the local environment
  • Community and stakeholder engagement

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    20 Oct 2020

    Since late 2015, we have been working with the local community and interest groups as part of a Community Reference Group (CRG) to help determine the preferred solution for the Picton Water Recycling Plant. To ensure a broad range of views were considered, the CRG was made up of residents, representatives from local businesses, environmental groups and Wollondilly Shire Council.

    The CRG helped us understand the community’s expectation about the long-term operation of the Picton Water Recycling Plant.

    Feedback from the CRG supported the preference for increasing effluent reuse locally to reduce waterway impacts and support local agriculture.

    Take our survey here.

    We are planning to display the Review of Environmental Factors for the project in late 2020, where we will be seeking your feedback.

    During the display, we will hold community events where you will be able to meet the team and find out more about the work. All events will be managed to meet COVID-19 guidelines.