When it comes to sewage, you need to make sure that it is handled properly. This means that all your plumbing needs to be exactly right and all of your sewage must have adequate drainage so that it can run off to the various water treatment plants that exist in and around the city.
Water treatment captures all our used water and then treats it by putting through a complex process, ensuring that it is once again fit for use and consumption. If you are looking for sewage treatment then you can check out https://byjas.com.au/.
It is quite a process and is done on a large scale. There is, however, another way to do things. You can take advantage of the drainage system at your own sewage. This is known as a septic tank.
When you first attempt to build a septic tank, you need to make sure that you have the correct permissions and licenses to build it. You also need an area where the land can handle a high number of filtration, because you will have to use a lot of equipment for the filtration system.
Once you submit your drawings and prints, and after you have received the relevant permission, you really can start to build your drainage system on your property. You need some ditches in the ground to make sure that your tank has run off and retaining space.