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Skip Navigation LinksDepartment of Housing and Public Works > Construction > Building and plumbing > Plumbing and drainage > Greywater > Greywater treatment plants

Greywater treatment plants

​Greywater from bathroom and laundry basins, showers and washing machines can be used above ground.

To use greywater on your lawn and garden you can:

  • manually bucket greywater onto lawns and gardens with no council approval required
  • attach a flexible hose to your washing machine outlet which does not require council approval
  • install an approved greywater diversion or treatment system to disperse the greywater above or below ground with local council approval and installation by a licensed plumber.

A greywater treatment system must hold a chief executive approval or its predecessor before it can be installed.

Approved facilities

Company name

Approved facilities

​Approval documents

Expiry date


M800 Greywater System

Chief executive approval 03/2017 (PDF, 951KB) 

27 March 2022

Aquacell Pty Ltd

Aquacell G20—Greywater Treatment Plan

Chief executive approval 20/2015 (PDF, 324KB) 

6 May 2020

​Eco Design Sustainable Housing

​Eco Design Greywater Recycling System

​Chief executive approval 08/2016 (PDF, 257KB)

​16 June 2021

Greywater Solutions trust

BioCell ADGF01

Chief executive approval 10/2016 (PDF, 217KB)

21 October 2021

Suncoast Waste Water Management

Ozzi Kl​een—GTS10 ​ ​

Chief executive approval 04/2016 (PDF, 2.47MB) ​

15 Apr 2021​

More information

See on-site sewerage or contact Building Industry and Policy​ for more information.


Last updated 29 July 2019    Creative Commons Attribution 4.0 International (CC BY 4.0)

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