Which of the following is NOT a design consideration for the distribution system in a mound system?

In a mound system, the distribution system is specifically designed to ensure effective treatment and dispersal of effluent. One primary design consideration is the manner in which the effluent moves through the system, which can involve both gravity flow and other methods, like pump systems, especially in situations where the topography does not allow for gravity-based delivery.

Utilizing gravity flow exclusively limits flexibility in designing the distribution system. Depending on the site’s characteristics, such as slope, soil type, and depth to the water table, a mound system may benefit from mechanical methods to achieve optimal distribution and avoid problems such as effluent ponding or insufficient treatment. By integrating various methods for moving effluent, the system can be tailored to the specific conditions of the site, ensuring proper function and preventing potential failures.

In summary, the focus of the distribution system is on how it effectively manages effluent, ensuring uniform dispersal, timely dosing, and avoidance of infiltration issues, rather than being constrained to gravity flow alone.