Preventative measures for septic tank repair are essential for maintaining a healthy and efficient system. Regular inspection and pumping schedules, typically every 3-5 years, help prevent buildups which can lead to clogs and system failure. Proper waste disposal practices, such as avoiding flushing non-biodegradable items or excessive use of chemicals, also play a crucial role in preventing damage to the septic tank and drain field. Regular maintenance and mindful usage are key to avoiding major septic tank issues and ensuring long-term functionality.