Aerobic septic systems use bacteria to break down effluent before release, requiring less space and can refresh conventional systems. Fans keep air moving to allow aerobic bacteria to thrive, but the system can be expensive to run and maintain. Maintenance contracts are often required for public safety concerns. These systems are designed for small-scale use in rural areas and the resulting effluent should not be used on food crops.
An aerobic septic system is a septic system in which bacteria are encouraged to grow for the purpose of further breaking down the effluent from the septic system before it is released. These septic systems require less space and can be used when a conventional anaerobic septic doesn’t fit or isn’t practical. They can also be used to refresh or repair a conventional septic system that has started malfunctioning. Numerous companies manufacture aerobic septic systems and they can be installed by plumbers and septic professionals.
Initial treatment in an aerobic septic system is similar to that of a conventional system, with wastewater flowing into a tank that allows solids to settle to the bottom while the liquid flows into a secondary tank. In this tank, fans keep the air moving so aerobic bacteria can thrive, and they process the wastewater, which flows out through another pipe. In some regions, wastewater must be sterilized with a chemical such as bleach before it can be released, to kill microorganisms in the effluent.
Less space is required with an aerobic septic system because the system processes the wastewater very quickly, thanks to the microorganisms doing the job. However, the system can be expensive to run and maintain. Electricity is required to operate the aerators and agitator in the tank and care must be taken to ensure that the balance of microorganisms in the tank is healthy which means people need to be careful what they deposit in the septic system; if they regularly use bleach in their toilets, for example, it can destroy bacteria.
In some regions, people can only install an aerobic septic system if they’re willing to commit to a maintenance contract with a certified company. This requirement is a result of public safety concerns, because if the aerobic septic system is not maintained properly, it can result in the spread of disease from untreated wastewater. The companies that install such systems are often qualified to perform maintenance and can enter into a maintenance contract at the time of installation.
These systems are primarily designed for small-scale use, acting as a miniature water treatment plant for a single residence, and are primarily used in rural areas. The resulting sterilized effluent can be used for ornamental gardening or landscaping and should not be applied to food crops, in case any microorganisms have managed to overcome the entire system.
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