Settling andanaerobicprocesses reduce solids and organics, but the treatment is only moderate. Septic tank systems are a type ofonsite sewage facility. They can be used in areas that are not connected to a municipal sewagesystem, such as rural areas. The treated liquid effluent is commonly disposed in aseptic drain fieldwhich provides further treatment. However,groundwater pollutionmay occur and can be a problem. The first signs of a failing septic system may includeslowdraining toilets and sinks, gurgling noises within the plumbing, sewageodorsinside, continuing drainage backups, or bacteria in the wellwater. If any of these symptoms exist, check for more pronounced indications of a septic system failure. If you are experiencing any of these symptoms, don’t hesitate to call Eco Pro Plumbing and Drains now.