Which of the following is a benefit of maintaining a septic system?

Maintaining a septic system offers several benefits, and one of the most significant is the reduced environmental impact. A well-maintained septic system effectively treats wastewater before it reaches the groundwater or nearby water bodies, minimizing the risk of pollution and protecting local ecosystems. Proper maintenance ensures that harmful pathogens and nutrients, such as nitrogen and phosphorus, are adequately processed, preventing them from contaminating drinking water sources or harming aquatic life.

In contrast, the other options present benefits that might not be directly tied to the act of maintaining the system. While maintaining a septic system can contribute to increased property value and potentially lower maintenance costs in the long run, the primary benefit that directly aligns with environmental stewardship and public health is the reduced environmental impact. Higher water usage is generally not a benefit of septic system maintenance, as it can lead to system overload and failure. Thus, prioritizing regular maintenance ultimately safeguards both the environment and the community's health.