It is quite obvious that the reason for the creation of the septic drainage field is the lack of connection to the sewer system of the local government, the need to clean the unprocessed sewage system and the need to store the purified unprocessed sewage until the septic tank is empty. Each of these reasons is discussed in more detail lower and it should be taken into account when you are faced with the situation when you need to create a drainage tank for septic tank for your home.