Gawler East: Martin Road, Concordia Road and Sunnydale Avenue

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Upgrading our water network in Concordia and Gawler East

To improve capacity and secure reliable water services for existing and future customers in the Roseworthy region, we’re upgrading the local water network in Concordia and Gawler East.

Construction is now underway, with new water mains being installed alongside existing mains to strengthen the network. There are no expected interruptions to water supply during the works.

When and where we’re working
(See maps below for details)

Martin Road, Concordia

Sunnydale Avenue and Concordia Road, Gawler East


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:

Go back to the project home page

Need more information?

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

Upgrading our water network in Concordia and Gawler East

To improve capacity and secure reliable water services for existing and future customers in the Roseworthy region, we’re upgrading the local water network in Concordia and Gawler East.

Construction is now underway, with new water mains being installed alongside existing mains to strengthen the network. There are no expected interruptions to water supply during the works.

When and where we’re working
(See maps below for details)

Martin Road, Concordia

Sunnydale Avenue and Concordia Road, Gawler East


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:

Go back to the project home page

Need more information?

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

  • Day works - Northern end of Sunnydale Avenue, Gawler East

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    We’re currently constructing a new underground valve pit at the north end of Sunnydale Avenue. This involves building a reinforced concrete chamber below ground that will safely house a major network valve. A smaller access structure will sit at ground level once works are complete.

    When: Late October 2025 to February 2026

    Where: Corner of Sunnydale Avenue and Barossa Valley Way

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

    • there will be reduced speed limits on Sunnydale Avenue near the work area
    • the works will involve excavation and the installation of large pipes
    • some vibration, noise and dust are to be expected during these works.

    Please note: Work will pause over the Christmas break from 19 December, with crews returning on 5 January to continue construction.

    We appreciate your patience as we complete this important work.

  • Day works – corner of Concordia Road and Barossa Valley Way

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    From November 2025, we’ll be upgrading the local water infrastructure along Concordia Road. This includes replacing the existing booster pump station located at the corner of Concordia Road and Barossa Valley Way.

    To support these major network upgrades, a site compound will be established at the junction of Concordia Road and Barossa Valley Way, Gawler East. The compound will include offices, staff amenities, carparking and storage areas for machinery and construction materials. It will be set up with our contractors, John Holland Guidera O’Connor Joint Venture, from late November 2025.

    Construction of the new booster pump station will begin in late November 2025 and continue through to mid-2027.

    We’ll aim to complete these works as efficiently as possible, minimising disruption to the community.


    When: Late November 2025 – mid-2027

    Where: Corner of Concordia Road and Barossa Valley Way

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

    Please note, traffic arrangements may change depending on site conditions. We’ll restore any impacted roads, footpaths or the environment as soon as it’s safe and practical to do so.

    Thank you for your patience while we complete these essential 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: 22 Dec 2025, 02:56 PM