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Apply to install a wastewater system
When is an application required?

 In areas where reticulated sewerage is not available, onsite disposal of wastewater is required. An Application to Construct or Install an Apparatus for the Treatment of Sewage (DOC 262KB) in accordance with the Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Regulations 1974  must be lodged every time you intend to construct and install an apparatus for on-site wastewater disposal.

Who approves the application?

All applications must be lodged to the Local Government Authority (LGA) in the first instance. If it is intended that the proposed apparatus will handle less than 540L/day of wastewater and the building to be serviced is a single dwelling the LGA will process your application.

If the wastewater volume generated is more than 540L/day and the building being serviced is not a single dwelling the LGA will assesses your application, prepare a local government report and forward the application for processing directly to Department of Health (DOH):

Water Unit
Environmental Health Directorate
Department of Health
PO Box 8172
PERTH BUSINESS CENTRE WA 6849

How payment is made?

The LGA fees should be paid directly to the LGA for the district in which the apparatus will be installed.

When the DOH approval is required, the DOH application fee must be paid before the application is lodged. Refer to Appendix 1 & 2 of the application form for further details on the payment instructions and approval process.

Please note, the DOH application fee has increased to $46.50 as per the Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations (No. 2) 2014. This fee will be in effect from 29 November 2014.

What information is required?

How do I size my system?

For further information, contact the Water Unit, Environmental Health Directorate on +618 9388 4999.

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