Summary: These days almost all homes in the cities and suburban areas are connected to sewers, however in smaller towns and remote regions, a lot of houses are still dependant on the septic tanks for handling the waste waters from their homes. Statistics by National Onsite Wastewater Recycling Association (NOWRA) reports 1\3rd of the houses in United States are still relying on the septic tanks for waste water treatment.
Those people who are still dependant on the septic tanks would surely agree that even though these systems are not installed in vision, a fault in them is clearly noticeable.
This system has an in-built mechanism which recycles the waste waters and is placed under the grounds, normally in backyards of the homes. This underground tank takes the waste waters from the house and stores it.
The bacterium available in the septic tank decays the wastes, resulting in settling of the sludge and the remaining water then flows into the ground and gradually is filtered back to the sources of the groundwater.
How a Septic Tank Works- An Insight
Due to the high intensity of wastes that flow through the septic tanks, it is vital from for the public health and the environment that these systems function properly. As per reports this volume of wastes is as much as a trillion per year.
Septic tanks which do function properly and are at fault pose a serious threat to the surface and groundwater as they can contaminate thee water sources with bacteria. This has also been a major cause of diseases like typhoid, gastrointestinal illness and hepatitis A, in a number of growing nations.
This tank is comprised of a waste pipe which is attached to the drain-waste-vent system of the house, a storage tank and an absorption field (also called drainfield or leachfield) or a leaching chamber or seepage pit.
Different laws and house codes determine the distance in locations of the tanks and the drainfields from your house. They also recommend the sizes and the models of such systems.
Other ways have been developed to make sure that the systems are not over flooded with wastes. To ensure this alternate seepage pits are installed to accommodate water from the roofs or any other source. In some places, it might be permitted to route water from washing machines also to such pits.
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