Queensland Water Commission Securing our water together

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What is purified recycled water?

Purified recycled water is wastewater that has been treated to a very high standard using world's best technology through a 7-barrier process:

  • In addition to current wastewater treatment standards, the water is subject to micro-filtration, reverse osmosis and advanced oxidation
  • This drinking-quality water is then injected into another water supply source such as a dam, where natural processes provide an additional environmental and time buffer
  • Finally, the blended water is subjected to the usual treatment process which currently applies to dam water at the existing water treatment plant before distribution to consumers.

At all stages of this process, the water is subject to water quality monitoring and testing. In Queensland, purified recycled water will be subject to a new regulatory regime to ensure it meets health and safety requirements.