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Trade waste

Trade waste is a term used to describe liquid waste that is generated by commercial activities and varies significantly in volume and quality from that of typical household domestic wastewater.

A broad range of commercial and industrial activities generate trade waste. Businesses that generate trade waste must ensure that they have appropriate pre-treatment devices installed to meet the acceptance criteria for discharge to the sewer.

The National Construction Code Volume Three TAS Appendix sets out the performance requirements for on-site treatment and disposal of liquid trade waste.

Under the Director’s Determination – Categories of Plumbing Work any new trade waste installations are deemed ‘plumbing permit work’.

TasWater is responsible for approving the design and installation of trade waste pre-treatment systems. You will need to apply for and be issued a Certificate of Certifiable Works before applying for a plumbing permit from your local council.  Depending on your business activity classification and risk, you may also need to apply for a trade waste consent or agreement,

If you are unsure of the trade waste status of your new or existing business, please contact TasWater. Please note, it is an offence under the ‘Water and Sewerage Industry (General) Regulations’ to discharge trade waste to sewer without a valid agreement or consent.

For all trade waste enquiries, please call the TasWater trade waste hotline on (03) 6422 5444 or email tradewaste@taswater.com.au

TasWater’s website contains a range of information to assist you.

https://www.taswater.com.au/customers/businesses/trade-waste

Last updated: 19 Mar 2024

This page has been produced and published by the Consumer Building and Occupational Services Division of the Department of Justice. Although every care has been taken in production, no responsibility is accepted for the accuracy, completeness, or relevance to the user's purpose of the information. Those using it for whatever purpose are advised to verify it with the relevant government department, local government body or other source and to obtain any appropriate professional advice. The Crown, its officers, employees and agents do not accept liability however arising, including liability for negligence, for any loss resulting from the use of or reliance upon the information and/or reliance on its availability at any time.