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What is accreditation and certification?

Unitywater now uses Accredited Entities and Registered Certifiers to assess applications to connect developments to our water and sewerage network.

Accredited Entities are responsible for the work of Registered Certifiers, providing them with the right support and oversight to fulfil their obligations.

As a Registered Certifier, you become authorised to submit Certification Packages to Unitywater for approval. This involves certifying that engineering designs and constructed assets comply with the relevant approval requirements and design standards.

All applications to connect to non-trunk infrastructure will need to go through an Accredited Entity.

Find out how to become accredited

How it works

Individuals and businesses can apply to become an Accredited Entity, and individuals can apply to become a Registered Certifier. We provide free training to approved candidates.

You can become certified in one or more of three categories: Minor Connection Certifier, Major Connection Certifier or Construction Certifier. Once registered, your details are listed in our online Accreditation Register so developers can easily find your services.

To find out more, download our Accreditation and Certification Manual and check out our Become Accredited page, or to ask a question please email Accreditation.Coordinator@unitywater.com

View the Accreditation Register

  Development Portal  

   Apply for connections, disconnections or alterations to our network   

Sign in or Register

Frequently asked questions

Individuals (e.g. sole traders) and companies (e.g. consulting engineers, civil construction contractors, project managers, registered surveyors and town planners) can apply for accreditation to become an ‘Accredited Entity’ and/or Registered Certifier.

It is anticipated that applicants will have a level of knowledge or practical experience with land development and the processes for connection to water supply and sewerage networks in South East Queensland.

Find full eligibility requirements in the Accreditation and Certification Manual (PDF 1MB)

The Accreditation and Certification process includes things such as:

  • assessments and approval of applications

  • training

  • accreditation deed

  • registration deed poll

  • insurances

  • quality systems.

Read more about how to become accredited. 

The processes are also described in detail in the Accreditation and Certification Manual.

Download the Accreditation and Certification Manual (PDF 1MB)

There are no accreditation application fees and no charge for training provided by Unitywater.


View all Accredited Entities and Registered Certifiers on the Accreditation Register.  

We welcome feedback from the development industry and stakeholders on how to improve our Accreditation and Certification system and our processes.

If you would like to provide feedback, please email Accreditation.Coordinator@unitywater.com.

Can’t find what you’re looking for? Check the Accreditation and Certification Manual (PDF 1MB) or request some assistance.

Office staff with plans

Assessments and approvals

Learn more about the steps involved in assessing and approving connection applications.

Find out more
Development project plans

Find a certifier

Find out about the different types of certifiers and the kinds of developments they assess.

Find out more





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