Connecting drinking water and wastewater (or sewerage) services to your site is a critical part of property development. We can help at all stages of the development process with:

  • Tools for researching your land, including mapping services and general advice.
  • Technical advice and support on applications, from simple renovations to major sub-divisions or multi-stage developments.
  • Advice for building over our pipes, including design requirements and formal approvals.
  • Support for developers undertaking complex brownfield or greenfield developments.
  • Requirements for the disposal of trade waste from commercial or industrial business operations.

Seeking advice on your land or future development

If you need to find out about water supply or wastewater pipes, we can help. Visit Research my land for information about the existing network connections on your lot. 

If you are planning a more complex development, or a development that will generate trade waste (waste from a commercial or manufacturing activity) and you need advice before you lodge your application for Water Approval, we recommend you request a Services Advice Notice (SAN).  

Other services available which may useful before lodging a Water Approval application:

Making a change to our drinking water or wastewater networks

Urban Utilities is responsible for authorising connections, disconnections and alterations to our water supply and wastewater (sewerage) networks. These changes are managed through the Water Approval process. The following steps will help determine the type of Water Approval you may need, and the type application you need to lodge. 

You will need an approval to undertake the following:

  • water and wastewater connections
  • water and wastewater disconnections
  • alterations to water and wastewater infrastructure, including reusing existing or unused pipes and connections
  • changing development land use/activity, such as converting a residential dwelling (house) to a dentist surgery, or increasing development scale with an extension to a shop or office.

You do not need a Water Approval if you are:

  • developing or constructing outside of our service area
  • moving to a property where water supply and wastewater services are already connected (and where no changes to services or land use are proposed.

The application you require will be determined by the type of development you want to undertake. You can find the forms you need to prepare your application at Development Forms.

1. Drinking Water Supply and/or Wastewater Works Request, for changes including:

  • Installation of a new or replacement meter (where water property service and pit are already installed).
  • Raising a G-type maintenance structure (or manhole) where the finished height is less than three meters.
  • Connecting a drinking water service to a government park
  • Extending the length of existing wastewater pipes (where no new connection is required).
  • Relocation of a meter on a residential block from one place to another
  • Disconnection of a residential meter (e.g. in preparation for demolition).

Apply for a Water Supply and/or Wastewater Works Request (please note, these requests are processed as Standard Connection Water Approval applications).
2. Water Approval for a Standard Connection, for developments including:

  • Building a new detached dwelling (house) or a duplex on an existing lot.
  • Subdividing one residential lot to create (up to) three lots (Reconfiguration of a Lot) resulting in:
    • a detached dwelling (house) on each of the lots; or
    • a duplex development on each lot; or
    • any combination of the above.
  • Merging up to three residential lots to create two lots or one lot, with a detached dwelling (house) or duplex development on each lot (Reconfiguration of a Lot).
  • Altering a detached dwelling (house) or duplex lot line (boundary realignment/Reconfiguration of a Lot).
  • Building up to six multi-unit dwellings (apartments or townhouses) up to three storeys within a single lot (please note, certain restrictions apply).
  • Building an ancillary (self-contained) dwelling on a residential lot (e.g. granny flat). It is recommended that you refer to the relevant local planning scheme for advice relating to permitted ancillary dwellings. 

Learn about or apply for a Standard Connection Water Approval (please note, in some instances Standard Connection Water Approval applications may be assessed as Non-Standard Water Approval applications based on design or site complexities).
3. Water Approval for a Non-Standard Connection, for developments including:

  • Connecting a new or altered water supply or wastewater service to a property (other than those identified as Standard Connections above).
  • Completing a multi-stage development, or development involving complex assets (pumping, storage and treatment facilities and reticulation network).
  • Planning a development that will generate trade waste.
  • Lowering a maintenance structure (manhole).
  • Raising a maintenance structure (manhole), excluding G-type with finished height less than three metres.

Learn about or apply for a Non-Standard Connection Water Approval.


Before submitting your Water Approval application, you will need to have the following information ready:

  • Development intention or council Development Approval – the details of the development you are proposing within your lot is important to our assessment. 
  • Type of connection – property service connection or network connection. 
  • Property Owner/s Consent form – if you are not the land owner.
  • Property Information form – used to detail property information and calculate infrastructure charges. 
  • Preliminary design – required to indicate the water supply and wastewater servicing strategy for the proposed development. You may choose to engage an engineer to complete preliminary designs. 



Lodging online

Lodge your application easily online using our Developer Applications Portal.

    For help preparing a complete and correct application, download our Check for Completeness Guideline