Approved composters

The use to biosolids in compost requires the approval from the Department of Health WA. The table below lists approved composts in WA that contains biosolids.

Manufacturer Product name Expiry Conditions
 NutraRich Pty Ltd
7 Trade Road
Malaga WA 6090
 NutraRichTM 15/04/2021 
  • Implementation of a Quality Assurance Program in accordance with AS/NZS ISO 9001:2003
  • Compliance with AS4454:2003 or the Compost Australia Leaf Mark scheme
  • Sampling program to demonstrate compliance with P1C1 contaminant levels of the Draft Western Australian guidelines for biosolids management (2012) 
  • Annual reports 
  • Implementation of a Health and Safety management plan 
Richgro Garden Products & Amazon Soils
203 Acourt Road
Jandakot WA 6164
Amazon Fine Compost

Metro Soil Conditioner

Lawn Marbel
01/05/2022
  • Implementation of a Quality Assurance Program in accordance with AS/NZS ISO 9001:2003
  • Compliance with AS4454:2003 or the Compost Australia Leaf Mark scheme
  • Sampling program to demonstrate compliance with P1C1 contaminant levels of the Draft Western Australian guidelines for biosolids management (2012) 
  • Annual reports 
  • Implementation of a Health and Safety management plan
Last reviewed: 29-10-2020
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Public Health