How Often Should a Septic Tank Be Pumped Out?

Often septic tank and house sewage treatment plant owners don’t realise that they will require ongoing maintenance. So, as a homeowner / tenant who had recently acquired the responsibility for a septic tank / house sewage treatment plant, what maintenance requirements should you expect? 


I think that it is important to note here that maintenance requirements will be different for each system and household, and that the better care you take of your system, the less maintenance you will likely require. With this in mind please use the below information as a guide only, and reach out to us on 0439 648 390 if you require advice specific to your system.


How often should your septic system be pumped out? 


Most systems will require a pump out between every 2 and 5 years. Heavy use and incorrect use may require your system to be pumped out more frequently. 


Ensuring that you find out the requirements of your system (i.e. do they require the use of septic safe chemicals) and following these requirements will ensure that your system operates at optimal efficiency. 


If you have a house sewage treatment plant, you will likely also need regular servicing (between once every three and 12 months, depending on the system).

Furthermore, ensuring that the only things that go down your drain are the three P’s, pee, poo and (toilet) paper will help to minimise the maintenance required on your system. 


There are some signs to look out for that will indicate that your system may need pumping out, these include:

Trouble flushing your toilet/backing up when flushing

A gurgling sound in your pipes

Very slow drains (sinks, shower, bath etc)

Water pooling or wet / soggy areas in your yard

Grass being unusually green, long and lush in the area around your sewage treatment plant and drain field

A lingering smell of sewage in your home / yard or both


If you suspect a problem with your waste treatment, or you just need to understand how best it works and what ongoing maintenance is required, please give us a call on 0439 648 390 to arrange for us to pop out and assess the situation and give you the advice you require.

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