What is the maximum fall allowed in trenches for septic systems?

The correct response reflects the guidelines for trench slopes in septic system installations. The maximum fall allowed in trenches is set to ensure proper functioning of the system while preventing issues associated with excessive slope, such as sedimentation or inefficient drainage. A fall of 2.5 inches per 100 feet strikes a balance between allowing adequate wastewater flow and preventing potential complications that can arise from steeper inclines, which could lead to malfunction or damage to the system.

Understanding this maximum fall is crucial for septic installers, as adhering to these specifications helps maintain the longevity and efficiency of septic systems while complying with regulatory standards. It ensures that wastewater is effectively handled without overwhelming the drain field, thereby protecting public health and the environment.