A septic system processes wastewater using a combination of gravity, natural bacteria, and soil filtration. When water leaves your home, it enters the septic tank where solids settle and natural bacteria begin breaking them down. The clarified water then flows into the drainfield, where it slowly filters through the soil for final treatment. Each stage of the process is crucial for preventing contamination and protecting groundwater. Regular pumping, inspections, and responsible household habits keep the entire system functioning properly. Homeowners who understand this process experience fewer problems and lower long-term costs. Modern septic systems are durable, efficient, and designed to handle daily household wastewater demands. Knowing how your septic system operates also helps you identify early warning signs before they become major repairs. This guide gives you the foundational knowledge needed to maintain a healthy system for decades. A well-cared-for septic system protects your investment, your property, and your home’s value.