A Soil Absorption System (SAS) is a method used to treat and dispose of wastewater, typically from homes or small businesses. It consists of a septic tank that collects sewage, where solids settle at the bottom, and liquids flow into a network of perforated pipes buried in the soil. The soil then filters and absorbs the treated water, allowing it to return safely to the environment. The effectiveness of a Soil Absorption System depends on various factors, including soil type, depth, and moisture content. Proper maintenance, such as regular pumping of the septic tank, is essential to ensure the system functions efficiently and prevents contamination of groundwater or nearby water sources.