Applications to manufacture wastewater systems must comply with the Code of Practice for Product Approval of Onsite Wastewater Systems in Western Australia (317KB).
For information on obtaining Australian Standards certification, refer to: How to Get and Onsite Wastewater Product Certified Against an Australian Standard (PDF 55KB).
Technical documents on wastewater systems
Wastewater System
Technical Documents
Aerobic Treatment Units
Code of Practice for the Design, Manufacture, Installation and Operation of Aerobic Treatment Units (PDF 405KB)
Aerobic Treatment Unit Application Package (PDF 906KB)
Septic Tanks
Letter to Septic Tank Manufacturers (PDF 16KB)
Septic Tank Application Package (PDF 79KB)
Greywater Systems
Code of Practice for Greywater Reuse (PDF 725KB)
Leach Drains
Concrete leach drains application package (PDF 178KB)
Plastic leach drains application package (PDF 150KB)
Soakwells
Concrete soakwells application package (PDF 145KB)
Other Systems
Composting toilets application package (PDF 90KB)
Marine sanitation devices application package (PDF 160KB)
Guidelines for amended soils (PDF 48 KB)
[Top of page]
