human
I'd like to learn more about the benefits of a septic system.
assistant
A septic tank is an underground sewage treatment system that uses anaerobic digestion to break down organic matter into methane and carbon dioxide, which are then released into the atmosphere. The byproducts of this process can be used as fertilizer for plants, so it's beneficial in terms of reducing pollution and creating nutrient-rich soil. Additionally, a septic system can help protect groundwater from contamination and reduce the risk of flooding.