Trade waste

If you discharge wastewater from a business or institution (other than domestic sewage) into the sewer system, you are a trade waste customer.

Use the following menu to learn more about requirements that may apply to you.


Please note: The following Trade Waste pages are for Greater Western Water customers who have a business in the area previously serviced by CIty West Water. To check if these pages are relevant to your business, go to and enter your postcode. You can also contact us on 13 44 99


What is trade waste?

Understanding trade waste can help you make sure your business complies with our requirements.

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Industrial businesses

Trade Waste Agreements for industrial businesses

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Food businesses

Trade Waste Consents for food businesses (or institutions that prepare food)

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Grease traps

Food businesses (or institutions that prepare food) need a grease trap installed and maintained.

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Trade waste charges explained

Understand the costs involved in trade waste and what those fees cover.

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