A failing drain field can lead to serious issues, including unpleasant odors and sewage backups. Signs to watch for include slow drainage, pooling water, or lush patches of grass over the field. Factors like soil type, age of the system, and maintenance history play crucial roles in its performance. Understanding these elements can help you assess the situation better. Regular inspections and maintenance are key to prolonging the life of your system. Curious about how to diagnose your drain field issues or what steps to take next? Ask Improvi.ai for personalized guidance.