Kemps Creek Dual Pressure Mains

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Sydney Water is investing in infrastructure to support the future population and economic growth of Western Sydney. This includes the construction of 6.8km of dual wastewater pipes (known as pressure mains) from the sewage pumping station being constructed at Gurner Avenue, Austral to the Upper South Creek Advanced Water Recycling Centre (AWRC) being constructed at Kemps Creek.

The Kemps Creek Dual Pressure Mains (KCPM) project will improve wastewater services in the South West Growth Area (SWGA), one of the NSW State Government’s three designated growth areas in South West Sydney. This area will see substantial growth over the coming years, increasing from 2,300 dwellings in 2022 to approximately 38,000 dwellings by 2056.

It will do this by transferring wastewater that is collected from homes and businesses in Austral, Leppington North, parts of Leppington, parts of Catherine Fields North, Rossmore, and Kemps Creek (known as the Kemps Creek catchment area) to the AWRC to be treated there.

The AWRC is Sydney Water’s largest infrastructure investment in Western Sydney. It will be a sophisticated wastewater treatment and resource recovery centre that will produce recycled water, renewable energy and bio-resources. It will use reverse osmosis - the same technology used by the desalination plant - to treat water to a high-quality.

When completed in early 2026, the AWRC and associated pipelines will deliver sustainable wastewater services and high-quality recycled water to support a cooler, greener Western Parkland City.

Key benefits for the local community include:

  • efficient and cost-effective wastewater services
  • high-quality, recycled water for a range of non-drinking reuses
  • protecting waterway health and aquatic ecosystems via environmental flows
  • enhanced biodiversity by greening Western Sydney with recycled water
  • energy generation from recycled organic waste and solar
  • biosolids for use as fertilisers in agriculture.

You can read more about the AWRC at its project webpage.

Sydney Water is investing in infrastructure to support the future population and economic growth of Western Sydney. This includes the construction of 6.8km of dual wastewater pipes (known as pressure mains) from the sewage pumping station being constructed at Gurner Avenue, Austral to the Upper South Creek Advanced Water Recycling Centre (AWRC) being constructed at Kemps Creek.

The Kemps Creek Dual Pressure Mains (KCPM) project will improve wastewater services in the South West Growth Area (SWGA), one of the NSW State Government’s three designated growth areas in South West Sydney. This area will see substantial growth over the coming years, increasing from 2,300 dwellings in 2022 to approximately 38,000 dwellings by 2056.

It will do this by transferring wastewater that is collected from homes and businesses in Austral, Leppington North, parts of Leppington, parts of Catherine Fields North, Rossmore, and Kemps Creek (known as the Kemps Creek catchment area) to the AWRC to be treated there.

The AWRC is Sydney Water’s largest infrastructure investment in Western Sydney. It will be a sophisticated wastewater treatment and resource recovery centre that will produce recycled water, renewable energy and bio-resources. It will use reverse osmosis - the same technology used by the desalination plant - to treat water to a high-quality.

When completed in early 2026, the AWRC and associated pipelines will deliver sustainable wastewater services and high-quality recycled water to support a cooler, greener Western Parkland City.

Key benefits for the local community include:

  • efficient and cost-effective wastewater services
  • high-quality, recycled water for a range of non-drinking reuses
  • protecting waterway health and aquatic ecosystems via environmental flows
  • enhanced biodiversity by greening Western Sydney with recycled water
  • energy generation from recycled organic waste and solar
  • biosolids for use as fertilisers in agriculture.

You can read more about the AWRC at its project webpage.

  • Learning snake and spider safety in Kemps Creek

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    With the summer weather heating up, the Kemps Creek Dual Pressure Mains safety team recently held a snake and spider awareness session at the Gurner Avenue site compound.

    The session covered how to spot and identify different types of snakes you might see around Kemps Creek, as well as insights into snake behaviour and what to do if you come across one. The trainer shared tips for staying safe around snakes, like wearing protective gear (boots and long pants), staying alert, and cleaning up work areas. The crew learned the vital steps when dealing with snake or spider bites are to stay calm, put on a pressure bandage, and get medical help by calling emergency services.

    The crew gained valuable knowledge in not only recognising and avoiding potential snake encounters but also how to respond effectively in case of emergencies.

    The key takeaway was to keep cool, keep your distance, don't make any sudden moves, and call-in professional snake handlers when needed.

  • Christmas shutdown

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    Our project sites on Gurner Ave, Floribunda Road, Cross Street, Elizabeth Drive, Badu Muru Grove and Clifton Avenue will be closed from Friday 20 December 2024 to Monday 6 January 2025.


    Our micro-tunnelling crews, between Pratten Street and Exeter Road, will continue their work during the holiday season. Hours of work will be between 7 am to 6 pm Monday to Friday and 8 am to 1 pm Saturdays. We will not work on Sundays and Public Holidays.


    To know more about this work, our Community Team is available on 1300 989 496.

    For urgent enquiries about Sydney Water services during this period please call our faults hotline on 13 20 90.


    From the Sydney Water and Quickway team, we wish you a joyous and happy holiday season, as well as the very best wishes for the new year!

  • Aerotropolis Community Drop-in Session - Saturday 23 November

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    We hope you can join us to learn more about projects in the Western Sydney Aerotropolis and Mamre Road precinct.

    Date: Saturday 23 November 2024

    Time: Anytime between 10 am and 1 pm

    Location: Bringelly Community Centre Address: 5 Greendale Road, Bringelly

    NSW Government agencies, as well as Penrith and Liverpool Council, will be in attendance to provide information and answer questions about developments in the Western Sydney Aerotropolis and Mamre Road precincts.

    To find out more please view the event flyer here.

  • Out-of-hours dust management

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    With changes in weather conditions and traffic movements, dust created when working in road verges can be a challenging issue. During working hours dust is managed using water carts. Managing dust outside of working hours is a little trickier when construction teams are not on site.

    To address this issue and minimise the impact on the community, our delivery partner, Quickway, have applied a heavy-duty road stabilisation product. This produce seals the surface of widened verges, providing long-term dust mitigation from local traffic during off-hours.

    An environmentally sound solution designed for efficient dust control and stabilisation, the polymer is a robust and concentrated formulation suitable for all unsealed roads, high traffic access roads and hardstand and laydown areas.

    We appreciate your understanding and patience during this essential work. If you have any questions, please contact our community engagement team on kempscreekwastewater@sydneywater.com.au or call 1300 989 496.

  • Upcoming extended work hours for micro-tunnelling under Elizabeth Drive, Kemps Creek

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    Sydney Water will soon instal two wastewater pipes under Elizabeth Drive, Kemps Creek from Monday 11 November 2024.

    This activity will see our delivery partner, Quickway, use two Tunnel Boring Machines (TBM) to bore through soil and rock while simultaneously installing the 650-millimeter diameter pipes behind it. The TBMs will be operating from 1383-1411 Elizabeth Drive and 150 Cross Street, Kemps Creek.

    Following community consultation, Sydney Water submitted a proposal to the Environmental Protection Authority to extend our weekday and Saturday work hours to minimise the overall duration of impact to surrounding residents. We are pleased to announce this proposal was approved.

    Starting Monday 11 November 2024, our weekday work hours will be 7 am to 8:30 pm and Saturday work hours 8 am to 6 pm, until late March 2025, weather permitting. There will be no work on Sundays and or public holidays.

    If you have any questions, please email our community engagement team at kempscreekwastewater@sydneywater.com.au or call 1300 98 94 96.

    We appreciate your understanding and patience during this essential work.

  • Extended Saturday work hours in Kemps Creek and Austral

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    We have some important news to share regarding our drilling activities in Floribunda Road, Kemps Creek and Gurner Avenue, Austral.

    Following consultation with the community we recently submitted a proposal to the Environmental Protection Authority (EPA) to extend our Saturday work hours. This extension will enable us to complete more work in a shorter timeframe, ultimately reducing its overall impact on the community.

    We are pleased to advise the EPA has approved this proposal and starting Monday 23 September 2024, our Saturday work hours will extend from 1 pm to 6 pm until the end of March 2025, weather permitting.

    We appreciate your understanding and patience during this essential work. If you have any questions, please contact our community engagement team on kempscreekwastewater@sydneywater.com.au or call 1300 98 94 96

  • We’ve started drilling in Kemps Creek

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    The Kemps Creek Dual Pressure Mains project has reached an exciting milestone! Working in conjunction with our delivery partner, Quickway, Sydney Water has started tunnelling our new 900-metre dual pressure mains, from Floribunda Road toward the new pump station on Gurner Avenue.

    The drill rig will be in action until late March 2025, weather depending. When commissioned, the pipelines will transport wastewater to the Upper South Creek Advanced Water Recycling Centre currently under construction at Kemps Creek for treatment and recycling into high-quality recycled water, renewable energy, and bio-resources as well as playing a crucial role in making the Western Parkland City cooler and greener.
    If you would like to know more, please contact our community engagement team on kempscreekwastewater@sydneywater.com.au

  • Upcoming night work on Elizabeth Drive

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    To install the dual pressure mains, we will micro-tunnel from Cross Street across Elizabeth Drive. Before we do this, we need to install settlement monitoring markers along the centre line of the micro-tunnel boring location, and 5 metres either side from the centre line of Elizabeth Drive. These settlement monitoring markers will be in place to ensure there is no movement in the road while the micro tunnelling is completed.

    We will be installing the settlement monitoring markers at night on Friday 16 August 2024 from 9 pm, weather permitting. This work should take approximately 3 hours to complete.

    Due to Road Occupancy Licence restrictions, we are unable to complete our works during standard working hours.

    What will this work involve?

    Our team will be using handheld drills to install the settlement markers directly into the ground

    What noise impacts will the work produce?

    The works will include the use of hand-held drills and minimal light vehicle movements around the site. The predicted noise impact is from quiet to moderate which can be compared to the noise of passing traffic.

    What do you need to know?

    We know our work can be disruptive, so we’ll make every effort to reduce any impact this work may have on you.

    Traffic management will be in place on Elizabeth Drive. There will be workers on foot installing the markers, please be mindful if traveling in this area.

  • We’ve started work on the Kemps Creek Dual Pressure Mains

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    Sydney Water together with our delivery partner Quickway, have installed our first wastewater main within the M12 corridor.

    This achievement is due to a great team effort and ongoing collaborative relationship with our delivery partner, Transport for NSW, and the wider community.

    We have also started trenching activities along Pratten Street and Floribunda Road in Kemps Creek.

    Traffic management is in place for your and our crew’s protection, please keep an eye out and drive safely in these areas.

  • Construction start date is set

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    Sydney Water and our delivery partner, Quickway, are finalising the design and preparing to start construction of the Kemps Creek Dual Pressure Mains.

    From July you will see Quickway crews in the area as they finalise investigation activities, bring in equipment and establish site compounds.

    The two new pipelines will be installed along Floribunda Road, Pratten Street and Cross Street. Traffic management will be in place in these areas. Please drive safely and keep an eye out for our workers while they deliver this essential infrastructure.

Page last updated: 17 Jan 2025, 02:06 PM