Which of the following practices can help prolong the life of a septic system?

Reducing water usage and minimizing harmful substances is a crucial practice that can significantly prolong the life of a septic system. When less water is used, it decreases the volume of wastewater that enters the system, allowing more time for solids to settle and for beneficial bacteria to break down organic matter. This reduction can help avoid overloading the system, which can lead to system failure or the need for costly repairs.

Minimizing harmful substances, such as fats, oils, grease, and non-biodegradable items, is equally important. These substances can disrupt the natural bacterial processes essential for breaking down waste in the septic tank and can cause clogs in the drain field, ultimately shortening the lifespan of the septic system. Furthermore, avoiding harsh chemicals aids in maintaining the natural microbial environment that is vital for septic system function.

Practices such as planting trees over the drain field, using chemical drain cleaners, and overusing garbage disposals can all lead to significant issues. Trees can damage the system with their roots, chemical cleaners can kill beneficial bacteria, and excessive use of garbage disposals can introduce too much waste too quickly, leading to premature system failure. Therefore, managing water usage and being cautious about what enters the system are key strategies for maintaining a healthy septic system.