Magnetic Ion Exchange (MIEX)

Magnetic Ion Exchange (MIEX)

At our Mount Pleasant and Middle River Water Filtration Plants, we use Magnetic Ion Exchange (MIEX®) to treat the water. Mount Pleasant was the first plant in the world to use this revolutionary process.

MIEX® – a specialised ion exchange resin which contains unique magnetic properties was developed after many years of research and teamwork by SA Water, Orica Watercare and the CSIRO Division of Molecular Science.

MIEX® resin is added to the raw water to remove dissolved organic carbon (DOC) prior to employing conventional water treatment processes. DOC is found in all natural water sources and is the result of the decomposition of

What does MIEX® do?

The MIEX® resin works like a magnet, attracting dissolved organic carbon (DOC) in the water. DOC is the main cause of colour in water, and it can affect both the taste and smell of drinking water.

Using this process has the side benefit of reducing the chlorine dose needed to disinfect the water.

Why is MIEX® innovative?

The resin can be regenerated and recycled through the plant again and again. It also reduces cost because it removes the need for large resin stocks. It's a continuous and flexible process, one that can adjust to wide variations in the quality of source water.

Magnetic Ion Exchange benefits include:

  • Cost-effective removal of dissolved organic carbon
  • Significant reductions in the creation of disinfection by-products
  • Lower volumes of chemicals needed (both coagulant and chlorine)
  • Lower volumes of sludge production
  • Reduction in water colour

  • Major faults

  • Underway

  • Laurel Av
  • Campbelltown
  • 20/09/2018
  • Water Supply On
  • 20/09/2018 01:23 PM - We are attending to an incident in Campbelltown with no interruption to the water supply. The safety of our crews and customers comes first, and we always aim to minimise inconvenience by restoring services as quickly as we can. Reference Number WO: 06560334.
  • See all major faults

  • Scheduled works

  • Underway
  • Nelson St
  • South Plympton
  • 20/09/2018
  • Temporary Supply Interruption
  • Estimated start time and water supply off: 21/09/2018 09:00 AM
    Estimated restore time and water supply back on: 21/09/2018 03:00 PM

    We’re improving your services and undertaking maintenance work in South Plympton. 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.


  • See all scheduled works