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Skip Navigation LinksDepartment of Housing and Public Works > Construction > Building and plumbing > Plumbing and drainage > On-site sewage facilities > Approved systems > Composting toilets

Composting toilets

Composting toilets use a process of biological degradation to convert nightsoil into a humus-like substance through the aerobic action of micro-organisms and invertebrates.

New composting toilet installations presented for sale in Queensland must comply with Part F1.4 Composting, chemical and incinerating toilets of the Queensland Plumbing and Wastewater Code (PDF, 1.1MB).

Consumers purchasing a composting toilet should request a written statement of compliance from the manufacturer or distributor.

This statement should be submitted to the local council with the approval application.

Composting toilets previously approved by Queensland Health or the Environmental Protection Agency should not be taken as evidence for compliance.​​

Last updated 29 July 2019    Creative Commons Attribution 4.0 International (CC BY 4.0)

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