Code of Practice for Product Approval of Onsite Wastewater Systems in Western Australia - Western Australia


You will be required to comply with this code of practice to obtain new product approval of onsite wastewater systems (OWS). The code sets out the documentation that applicants need to submit as well as the application process to obtain approval for their systems.

The code also sets out requirements for the design, manufacture, installation, operation and maintenance of OWS. The code is performance based and systems must comply with the relevant Australian Standards.

Please consult the Contact Officer for more information and to ascertain the level of compliance that may be required.

Service type

Code of Practice

A code of practice is a set of rules which details how people in a certain industry should behave. A code of practice can be defined as a result of legislation or by industry regulators and bodies.

Act(s) name

Health (Miscellaneous Provisions) Act 1911 Western Australia

Administering agency

Department of Health

Public Health

Environmental Health Directorate

Contact details

Contact Email, Phone and Address Details for this service in simple two column table format, header then data.

Please use these contact details for help or more information:


Environmental Health Directorate

Public Health

Department of Health

Operating address: 2nd Floor, B Block
189 Royal Street
East Perth
Western Australia 6004
Phone: 08 9388 4999
Fax: 08 9388 4905