What is a key feature of serial distribution systems in septic installations?

In septic installations, a key feature of serial distribution systems is that effluent is directed sequentially to the first trench until it is filled. This process allows for the efficient use of each trench in the drain field, ensuring that the effluent flow is managed in a way that maximizes treatment while preventing overloading of any single trench. The sequential filling helps to maintain balanced use of the available area, thereby optimizing the effectiveness of the septic system and minimizing the risk of system failure or contamination.

The principle behind this method not only supports better treatment of wastewater but also aids in prolonging the lifespan of the system. By directing effluent to the first available trench until it reaches its capacity, subsequent trenches remain in reserve, allowing for gradual percolation and effective waste decomposition in the soil. This process is crucial for maintaining a properly functioning septic system and adhering to regulations and best practices in installation and maintenance.