What is the role of a distribution box in a septic system?

The role of a distribution box in a septic system is to evenly distribute effluent to the drain field. This component plays a vital part in ensuring that the wastewater is spread uniformly across the drain field, which is crucial for optimal functioning and effective treatment. By allowing the effluent to enter different trenches or areas of the drain field at balanced rates, the distribution box helps prevent overloading any single area. This uniform distribution is important for the proper operation of the septic system, as it reduces the risk of clogging, backups, and ultimately extends the life of the drain field by promoting equal absorption and treatment of wastewater.

The other choices do not accurately describe the function of a distribution box, as it is not involved in storing sludge, filtering solids, or monitoring tank levels. Each of those tasks is managed by different components of the septic system.