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Home Wastewater legislations and guidelines

Wastewater legislations and guidelines

  • 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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