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Greywater Systems

Guidelines for reusing greywater in homes and gardens

Greywater (or grey water) is domestic waste water generated from showers, baths, spas, basins and laundries which can be diverted for reuse on lawns and in gardens.

Toilet waste and kitchen sink greywater is not permitted to be reused in sewered areas. 

Is Council Approval Required for Greywater reuse?

Council approval is required for:

  • Installation of an approved/certified greywater diversion system / device or treatment plant.  This system or treatment plant can only be installed by a licensed plumber.
  • Surface or sub-surface system.

Council approval is NOT required to reuse greywater using manual bucketing or connecting a flexible hose to a washing machine outflow.

Care should be taken if re-using greywater because of its potential health risks to humans, and potential for environmental damage to soils, ground water, and waterways caused by increased nutrient and chemical levels.

Information for Plumbers

Qld Government greywater guidelines can help plumbers assess whether the home owner has suitable and sufficient land to distribute greywater.  Refer to the guidelines to provide advice on the purchase and installation costs of greywater systems, prior to the home owner making an application to council.

Council can only approve certified greywater diversion devices.  Before you purchase a greywater device, ask the manufacturer for a copy of the Product certification.

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