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Be Informed on How a Septic Tank Works

A septic system is very much needed in any establishment or home and yet we generally do not have the knowledge on how this system works. Septic tanks are categorized as low in maintenance system and yet once something will go wrong of it, we will face a tricky and expensive situation. For this reason, it is necessary for us to have a basic background information about septic tanks to avoid facing such concerns in the future.

Let us start in understanding about the septic system. Used in areas that are not linked with a sewage system government or private operated company, a septic system is a sewage treatment system that is small in scale. In rural areas where sewage mains are too far away, homes and farms used this septic systems to avoid spending so much. The septic system works by pumping waste water from different facilities like bathrooms, kitchens and laundry, into the effluent tanks, process the waste, and disperse it onto a septic drain field.

That important part of the septic system that holds wastewater from 4000 to 7500 litres is the septic tank. The typical location of septic tanks are underground and they are connected to an inlet pipe on one end, and connected on the other end by a septic drain where wastewater that are filtered will flow out. The latest design of septic tanks feature two chambers separated from each other by a dividing wall with openings located in the middle between the bottom and top of the tank.
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When the wastewater enters the first chamber of the effluent tank, what will settle on the bottom are the solids while the scum floats to the top. The solids usually decompose and float into the water. From the first chamber, the liquid proceeds to the second chamber through the openings in the dividing wall, while the solids and scums are left in the first chamber. Settlement of liquid usually occurs in the second chamber, and through the settlement process, the liquid is almost clear here before being drained from the tank to the septic drain field or seepage field.
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What makes up a septic drain field are trenches that contain perforated pipes and some porous material like gravel. Layer of soil covers this field in order to avoid animals from contacting with wastewater. On the other side, the wastewater is transferred to the gravel through the perforated pipes thus removing the contaminants and impurities.

A septic system is usually run based on gravity, but if the condition is not permissible, you can introduce a pump to do the work.