Wastewater & Septic

Pursuant to the SA Public Health (Wastewater) Regulations 2013, all on-site wastewater systems and alterations to on-site wastewater systems are subject to a wastewater works approval.

Refer to the South Australian Department for Health and Ageing ON-SITE WASTEWATER SYSTEMS CODE (the Code) for further information to assist in the completion of this application form. The Code can be accessed online at http://www.health.sa.gov.au/pehs/branches/wastewater/new-regulations-and-codes.htm


Each application must include two copies of a detailed sanitary plumbing and drainage lay-out (refer to Section 8 of the Code), a site and soil report (refer to Section 3.6.1 of the Code) and the appropriate fee as determined by the relevant authority.

Applications where necessary, must include a detailed assessment of the land capability of the site via a soil report (i.e. the suitability of the site for treatment and disposal/reuse of domestic wastewater).

Onsite Wastewater Application
Wastewater/Septic Fees & Charges


Please contact the relevant authority for details regarding the fee and method of payment. The relevant authority is:

  • The local council for the installation of on-site wastewater systems with a capacity up to 40EP or connection to a Community Wastewater Management System (CWMS).
  • The South Australian Department for Health and Ageing for systems to be installed with a capacity greater than 40EP, Community Wastewater Management Systems (CWMS) and for wastewater systems in areas of the state not under local government control.