Desalination

Desalination

Desalinated water is water that has had the salt and impurities removed. At SA Water we maintain four desalination plants at Penneshaw on Kangaroo Island, Hawker and Leigh Creek in the Flinders Ranges and the largest one in the state at Port Stanvac.

Water produced through a desalination plant doesn't necessarily come from the sea. At Hawker and Leigh Creek, the need for a desalination plant arose because local residents consider it too salty to drink. Read more about the Hawker and Leigh Creek plants here.

Our desalination plants improve access to drinking water. They give us the ability to supply water regardless of climate impacts. The plants ensure drinking water is still available even in times of drought.

You can watch this video to find out more about desalination and water security.

How does desalination work?

Our desalination plants use a technology called reverse osmosis. The process removes up to 99% of the impurities and salt in the water.

Once the impurities (mainly salt) are removed, the water is treated to make sure that it is safe for you to drink.

Reverse Osmosis

Desalination Process Diagram


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  • Scheduled works

  • Underway
  • Bishop & Tait St
  • Renown Park
  • 18/12/2017
  • Upgrade
  • Estimated start time (water off): 18/12/2017 9:00 AM
    Estimated restore time (water back on): 18/12/2017 3:00 PM

    As part of the required water main upgrade program and the ongoing Torrens Road to River Torrens project, SA Water will be undertaking a water main link-in along Bishop and Tait St, Renown Park on Monday 18 December 9:00am to 3:00pm. Traffic restrictions may also apply.

  • See all scheduled works