Plumbing and Drainage Supporting Information

As constructed drainage plans

An as constructed drainage plan shows the connection point from Council's sewer system to the dwelling, and usually also connections to the kitchen, bathroom, and toilet, etc.

Backflow prevention devices

To prevent backflow of water that may contaminate the community’s water supply, Council maintains a program for the registration, maintenance and testing of testable backflow prevention devices.

Drainage plan requirements

If your application meets certain criteria, you will need to provide a drainage plan to Council.

Frequently Asked Questions

Find out what plumbing or drainage work requires Council approval, and the types of plumbing work categorised by Queensland legislation.

On-site sewerage facilities for non-sewered properties application guidelines

These guidelines provide information about Council's role in the approval and installation stages of an on-site sewerage facility.

On-site sewerage treatment and grey water

The disposal of wastewater generated on a property that is not connected to a sewerage system network must have Council approval.