Wastewater management

Apply for product approval

All on-site wastewater systems with a design flow of up to 2,000 litres per day must be approved before they can be sold and installed in the Northern Territory (NT).

Product approval provides authorisation for that type of system to be installed anywhere in the NT, subject to compliance with conditions.

Get the list of approved products.

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If you are a manufacturer or importer of wastewater systems, you can apply to have your product approved for use in the NT.

To apply follow these steps:

Step 1. Fill in the form.

Application for product approval of an on-site wastewater system PDF (232.7 KB)
Application for product approval of an on-site wastewater system DOCX (66.0 KB)

Step 2. Submit supporting documents. This includes a covering letter, manufacturer's specifications and product certificates.

Step 3. Pay the fee and submit your form.

Product approvals are valid for five years. You will need to renew your approval after this time

To renew your product approval, follow these steps

Step 1. Fill in the form.

Application to renew a product approval for an on-site wastewater system PDF (232.8 KB)
Application to renew a product approval for an on-site wastewater system DOCX (65.9 KB)

Step 2. Submit supporting documents. This includes a covering letter, manufacturer's specifications and product certificates.

Step 3. Pay the fee and submit your form.

You will need to apply if you want to make a change to your product after approval. Follow these steps:

Step 1. Fill in the form.

Application to vary a product approval of an on-site wastewater system PDF (223.8 KB)
Application to vary a product approval of an on-site wastewater system DOCX (66.7 KB)

Step 2. Submit supporting documents, including a description of the reason for the change.

Step 3. Pay the fee and submit your form.

Secondary Treatment Systems (STS) include all aerated wastewater systems, reed beds and aerated sand filters.

If you are a manufacturer of an existing or new STS up to 2000 litres per day, you need to test and accredit your system against the Australian Standard in order to sell them in the NT.

The new Australian Standard for onsite domestic wastewater treatment units is Part 3: Secondary Treatment Systems AS 1546.3:2017.

You must test and accredit your systems using a Joint Accreditation System of Australia and New Zealand (JAS-NZ) accredited Product Certification Body (PCB).

A PCB certifies that an STS meets the requirements of the AS1546.3 so that it can be assessed for DoH product approval.

You must get accreditation for existing or new systems by 31 December 2020.

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Last updated: 02 April 2019

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