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


Grease traps

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

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What is trade waste?

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

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Food businesses

All commercial food businesses in our service area must have a valid trade waste agreement.

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Industrial or commercial businesses

Trade waste agreements for commercial and industrial businesses.

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Trade waste charges explained

Charges cover the cost of transporting, monitoring, administrating and treating liquid waste generated by commercial and industrial businesses.

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Backflow prevention

Find out what backflow is and what steps you can take to manage it.

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