Kangaroo Creek Dam Upgrade

Kangaroo Creek Dam Upgrade

SA Water is upgrading Kangaroo Creek Dam in three stages. The work will make sure it complies with ANCOLD (Australian National Committee on Large Dams) standards.

Kangaroo Creek Upgrade
Artist's impression of completed dam upgrade.

Project Overview

Construction began in late 2015.

The work will:

  • widen the spillway
  • raise the wall
  • strengthen the wall.

These upgrades will help manage major floods. They will also increase the dam's ability to withstand earthquakes. The dam's existing flood management will be operational throughout the project.

Stages of works

The upgrade will be completed in three stages.

The first stage will:

  • remove vegetation
  • set up the site
  • build access roads.

We will be re-vegetating other SA Water sites to offset plant removal.

The second stage will remove rock from the hillside next to the spillway. This will be done by a method known as 'blasting'. It will involve heavy machinery and controlled explosives. Some of the rock material will be re-used to strengthen the existing embankment downstream of the dam wall.

The third and final stage will involve widening the spillway and raising and strengthening the dam wall. The reservoir will be maintained at a lower level during the project to allow works to be completed safely. To do this, we release a steady, consistent flow of water from the dam after rainfall events. This release is controlled and is scheduled over a long period of time to minimise the impact downstream. The water being released is of good quality and is cleaner than stormwater.

The reduced water level will not impact on drinking water supplies. Releases from the Reservoir are being timed (where possible) to support initiatives such as environmental and amenity flows in the River Torrens.

We are working closely with local government, the Environment Protection Authority (EPA) and other government agencies and stakeholders throughout the project.


It is anticipated the project will be completed in 2019.

Traffic Management

Whilst the majority of the construction activity will be confined to SA Water's land, SA Water will be upgrading sections of Batchelor and Stonehut roads to facilitate truck movements. We are investigating upgrades to the intersections of Gorge Road and other local roads. To ensure the safety of road users, Gorge Road will be temporarily closed for short periods during rock blasting activities.

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  • Major faults

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  • Main Rd
  • Mclaren Vale
  • 21/10/2019
  • Water Supply Interrupted
  • Last Updated: 21/10/2019 09:35 AM - We are on site in Mclaren Vale and the nearby water supply may be unavailable until 21/10/2019 03:00 PM. Sometimes our crews need to temporarily interrupt the water supply to our customers and/or manage traffic while they are working. We always aim to minimise inconvenience by restoring supply as safely and quickly as we can. Reference Number WO: 07176937.
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  • Largs Bay
  • 21/10/2019
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  • Estimated start time and water supply off: 22/10/2019 09:00 AM
    Estimated restore time and water supply back on: 22/10/2019 06:00 PM

    We’re improving your services and undertaking maintenance work in Largs Bay. Sometimes our crews need to temporarily interrupt the water supply to our customers and/or manage traffic while they are working. Temporary traffic management may remain in place until reinstatement of the impacted road is complete. We always aim to minimise inconvenience by restoring services as safely and quickly as we can.

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