Gawler Belt: Paternoster, Kentish, Redbanks and Twartz Roads

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Upgrading our wastewater network in Reid, Willaston, Gawler Belt and Roseworthy

To support current and future customers in the region, we’re delivering a major upgrade to the local wastewater network.

Construction is now underway to install approximately 7.5 kilometres of new wastewater mains across Reid, Willaston, Gawler Belt, and Roseworthy, along with a new pump station on Davidson Road in Reid.

This new infrastructure will help provide reliable wastewater services to existing customers and support continued growth in the Roseworthy area.

Where we’re working
(See map below for details)

  • Paternoster Road
  • Kentish Road
  • Redbanks Road
  • Twartz Road


What to expect

  • Changed traffic arrangements will be in place across the area until mid-2026
  • Work may take place during the day, at night or on weekends to help maintain schedule and minimise disruption
  • You may notice some noise, vibration and dust during construction
  • We’ll continue working closely with the community to minimise impacts wherever possible

Please note: Timeline dates are subject to change based on program requirements and weather conditions.

What happens to roads and footpaths after our works?

We work closely with the local council and follow all required reinstatement obligations, reinstating the parts of the road, footpath or the environment directly impacted by our works.

Find out more about reinstatement

Nearby Works
As part of this major upgrade, other nearby works are also happening on:

Need more information?

Visit our FAQs page for answers to the most asked questions.

Go back to project home page




Upgrading our wastewater network in Reid, Willaston, Gawler Belt and Roseworthy

To support current and future customers in the region, we’re delivering a major upgrade to the local wastewater network.

Construction is now underway to install approximately 7.5 kilometres of new wastewater mains across Reid, Willaston, Gawler Belt, and Roseworthy, along with a new pump station on Davidson Road in Reid.

This new infrastructure will help provide reliable wastewater services to existing customers and support continued growth in the Roseworthy area.

Where we’re working
(See map below for details)

  • Paternoster Road
  • Kentish Road
  • Redbanks Road
  • Twartz Road


What to expect

  • Changed traffic arrangements will be in place across the area until mid-2026
  • Work may take place during the day, at night or on weekends to help maintain schedule and minimise disruption
  • You may notice some noise, vibration and dust during construction
  • We’ll continue working closely with the community to minimise impacts wherever possible

Please note: Timeline dates are subject to change based on program requirements and weather conditions.

What happens to roads and footpaths after our works?

We work closely with the local council and follow all required reinstatement obligations, reinstating the parts of the road, footpath or the environment directly impacted by our works.

Find out more about reinstatement

Nearby Works
As part of this major upgrade, other nearby works are also happening on:

Need more information?

Visit our FAQs page for answers to the most asked questions.

Go back to project home page




  • Traffic changes - Twartz Road between The Boulevard and Redbanks Road, Gawler Belt

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    Where: Twartz Road between The Boulevard and Redbanks Road, Gawler Belt

    When: Monday 5 January 2025 until mid-2026

    Hours of work: 7.00am - 5.00pm, Monday to Friday, some Saturday works may be required

    Key details:

    • Twartz Road will be closed to traffic during construction hours
    • outside of construction hours the road will be open to local traffic only with traffic controls in place
    • please follow signage and traffic controllers onsite
    • access to properties will be maintained
    • some noise, vibration and dust may be noticed during these works.

    Detour Map

    Please note: Timeline dates are subject to change based on program requirements and weather conditions.

    Find out about detours near you

  • Horrocks Highway, Roseworthy

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    In January 2026, we will be upgrading the water infrastructure on land adjacent to Horrocks Highway to secure high quality, reliable services for existing customers and support future housing growth in Roseworthy. This essential work will strengthen the community’s infrastructure, ensuring it meets the needs of current and future residents.

    The new infrastructure includes installing a new pressure reducing valve on the western side of Horrocks Highway, between The Boulevard and Knappstein Avenue, Roseworthy. This will include establishing a site compound which will provide offices, amenities and carparking for our staff, and laydown areas for machinery and storage of construction materials. There is expected to be minimal impact on traffic during these works, aside from occasional site access by trucks and delivery vehicles.

    We will endeavour to complete the works as quickly as possible with minimal impact to the community.

    When: early-January 2026 to mid-2026

    Where: The western side of Horrocks Highway, between The Boulevard and Knappstein Avenue, Roseworthy.

    Hours of work: 7:00am – 5:00pm, Monday to Saturday

    Thank you for your patience while we complete these essential works.

  • Two Wells Road, Reid

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    Where: Two Wells Road, Reid

    When: Monday 15 December 2025 until end-December 2025

    Hours of work: 7.00am - 4.00pm, Monday to Friday, some Saturday works may be required

    Key details:

    • Mains water pipe will be being laid under Two Wells Road
    • The road will be under modified traffic control including speed restriction and shuttle flow during construction hours
    • Roads will be reopened outside of construction hours
    • Please follow traffic signage onsite
    • Local access will be maintained throughout the works
    • Water supply will not be impacted.

    Detour Map

    Please note: Timeline dates are subject to change based on program requirements and weather conditions.

    Find out about detours near you

  • Upcoming works - Paternoster Road, Reid

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    When: Beginning early 2026

    Where: Paternoster Road, Reid

    Hours of work: 7.00am - 5.00pm, Monday to Friday – some weekends may be required

    Key details:

    • traffic controls including speed restrictions and traffic lights will be in place at all times
    • crews will be in multiple locations along the road
    • you may notice some additional noise, dust and vibration
    • please follow the signage and traffic signals on-site.

    Please note: Timeline dates are subject to change based on program requirements and weather conditions.

    We appreciate your patience as we complete this important work.

    Read more about how we restore any roads, footpaths or the environment impacted by our works.

    Find out about detours near you

  • Traffic changes - Kentish Road between Parkers Road and Lange Road

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    When: Early November 2025 until early 2026

    Note: These works will pause and roads will re-open between 20 December 2025 and 4 January 2026

    Where: Kentish Road between Parkers Road and Ateyo Road

    Hours of work: 7.00am - 5.00pm, Monday to Friday – some weekend work may be required

    Key details:

    • works will occur on Kentish Road between Parkers Road and Lange Road
    • this section of the road will be closed during construction hours
    • outside of construction hours, the road will reopen with traffic lights and restrictions in place
    • Kentish Road between Lange Road and Ateyo Road will be closed to traffic at all times
    • please follow all onsite signage
    • to reduce the overall construction timeframe, crews may be working in multiple locations along Kentish Road
    • local access will be maintained throughout the works
    • some noise, vibration and dust may be noticed during these works

    Please note: Timeline dates are subject to change based on program requirements and weather conditions.

    We appreciate your patience as we complete this important work.

    Read more about how we restore any roads, footpaths or the environment impacted by our works.

    Find out about detours near you

  • Traffic changes – Davidson Road, Reid

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    When: Early October 2025 to end June 2026

    Where: End of Davidson Road, Reid

    Hours of work: 7:00am – 5:00pm, Monday to Friday

    Key details:

    • Construction of a new pump station will begin within the Fulton Hogan project site on Davidson Road.
    • Crews will be onsite using heavy machinery throughout the works.
    • Minimal traffic disruption is expected, though some larger deliveries may temporarily impact traffic flow.
    • Noise, dust, or vibration levels may increase at times during construction.
    • Access to local properties will be maintained as per current arrangements.


    Please note: Timeline dates are subject to change based on program requirements and weather conditions.

    We appreciate your patience as we complete this important work.

    Read more about how we restore any roads, footpaths or the environment impacted by our works.

    Find out about detours near you

  • Stay informed and have your say

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    As we upgrade our water and wastewater networks, we’d love to hear from you. Your feedback helps us understand what’s working well and where we can improve. Visit this link to have your say.

    Read our Community Newsletter for updates on works happening near you, how we’re working to minimise disruptions, and ways to stay informed.

Page last updated: 15 Dec 2025, 04:56 PM