Septic tanks
Installing new septic tank systems, altering existing septic tank systems and requests for information (eg. Septic plan searches, Septic Report and Consent Letters etc.).
Septic Tank Fees
Below are the current fees as of 1 July 2025:
- Application for Construct/Install or Alter an Onsite Wastewater Management System (OWMS) Fee - $821.70
- Application for Minor Alteration of an Onsite Wastewater Management System (OWMS) Fee - $626.20*
- Request for Septic Tank Plan Search Fee - $67.00
- Request For Report and Consent for OWMS Fee - $64.00
*Minor alteration means an alteration that consists only of the installation, replacement or relocation of the internal plumbing, fixtures or fittings of an OWMS.
Frequently asked questions
Do you need a permit?
Yes. Before you begin any installation or alteration to an existing septic tank system, you may need to apply for a permit from us.
Who can do the works?
The installation and alteration of septic systems must be performed by a licensed plumber. You can check plumber accreditation or licenses by contacting the Plumbing Industry Commission on 1800 015 129.
Will your septic tank need to be inspected by council staff?
Yes. Our Environmental Health Officers will conduct a number of site inspections before, during and after the installation or alteration process. Once the works are completed to our satisfaction, a Certificate to Use will be issued.