You must have a valid authorisation before you can discharge trade waste into the sewer. The form you need to complete depends on the nature of your business.
Below are details about how to apply for a trade waste authorisation.
Before you apply, please read the Restricted Wastewater
The form you complete depends on your business. Read on to see which category your business fits and which form to complete..
The business that will create the trade waste discharge will need to fill in the form. If you are not the property owner, you will need to work with your property owner to properly allocate the responsibility for plumbing and drainage works and other property management matters.
You must apply for authorisation before you engage a licensed plumber to install or modify any required plumbing or fixtures.
If your application
Remember to wait for your authorisation approval before you engage a licensed plumber to install or modify any plumbing or fixtures.
Payments can be made by EFT (electronic funds transfer), post, by phone, or in person.
Credit card or EFT
Call 08 7424 1336 to make a credit card payment, or get EFT information.
Visit SA Water House, 250 Victoria Square/Tarntanyangga, Adelaide between 8.30am – 5pm, Monday to Friday.
Post your payment with any application forms or account information to
GPO Box 1751
We will visit your premises to inspect your discharge and to work with you by providing advice and support. Together we can ensure you meet your ongoing authorisation conditions. Inspections are annual for most customers – more frequent where high risk activities occur – and there is a fee for each inspection.
Once-off trade waste collections are classified as liquid hauled waste. See the liquid hauled waste pages for more information.
Notify us about a batch treated waste discharge
Confidentiality disclosure – this form is used when your approval to disclose any relevant SA Water information to a third party is required.
Water supply in the surrounding area may be impacted as we resolve this issue. Traffic restrictions may also apply. Reference Number WO: 07042139