Representation of the septic tank is shown here in this post. First, the septic tanks are a watertight chambers which are made with fibreglass, concrete, pvc or plastic. Their main purpose is to collect the domestic sewage. Generally, the septic tanks are present in villages or remote areas that do not have connection to the sewerage system. Normally, the tanks are big and durable, but they need to be emptying with a special vacuum truck. Also, once in a while the tanks need maintaining.
Representation of Septic Tank Designs
See the plans of this particular septic tank, and if you need more information, click the link below.