Home Wastewater legislations and guidelines

Wastewater legislations and guidelines

The Department of Health is consulting on a draft code of practice for on-site wastewater disposal. The aim is to adopt the code of practice within future wastewater regulations to be created under the Public Health Act 2016. You are invited to provide feedback. Review the consultation page (external site) for more details. Submissions close 4.00 pm 28 September 2023.

A Compilation of Australian Standards on Water Holding Tanks (PDF 305KB)
Best practice guidance for the notification and risk management of sewage overflows into buildings (PDF 315KB)
Best practice guidance for reducing health risk for workers handling sewage, biosolids or recycled water (PDF 103KB)
Certification for installation of wastewater treatment systems
Code of Practice for the Reuse of Greywater in Western Australia (PDF 1.3MB)
Code of Practice for the Design, Manufacture, Installation and Operation of AerobicTreatment Units (PDF 886KB)
Code of Practice for Product Approval of Onsite Wastewater Systems in Western Australia (1.1 MB)
Guidance on applying for approval of installation of a commercial onsite wastewater system
Guidance note for independent third party engineering verification
Guidance for the use of Sewage Holding Tanks or Holding Tanks associated with Mobile Ablution Blocks and Mobile Accommodation Units
Government Sewerage Policy 2019 (external site)
Guidance on Site and Soil Evaluation for Onsite Sewage Management (PDF 260KB)
Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Regulations 1974 (external site)
Health (Temporary Sanitary Conveniences) Regulations 1997 (external site)
Wastewater after cyclones floods and other disasters (HealthyWA)
Western Australian Guidelines for Biosolids Management (PDF 1.76MB)

Last reviewed: 25-09-2019

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Wastewater legislations and guidelines

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