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Unlike the cesspools of old, the modern sewage disposal system is an environmentally sound method of waste water disposal in areas where public sewers are not available. Typical sewage disposal systems consist of a Septic Tank and Absorption Bed (sometimes called the leaching field). The septic tank is usually made of concrete or other durable materials. Most tanks will have a capacity of 1,000 gallons or more and will be divided into two compartments. Sewage from the dwelling flows through a building sewer and enters the first compartment of the sewage disposal system. Here, bacterial decomposition occurs. The liquid then flows through a section of the sewer disposal system called the baffles for further treatment, and is then piped to the absorption bed to flow naturally back into the groundwater.
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