What is the minimum required slope for a drainage pipe?

The minimum required slope for a drainage pipe is 1/4 inch per foot. This slope is essential for ensuring that wastewater flows efficiently through the system, allowing for proper drainage without causing clogs or backflow. A slope of this magnitude helps to maintain the velocity of the water as it travels through the pipe, preventing sediment from settling and ensuring that the system operates effectively. The slope must be maintained consistently throughout the length of the drainage system to guarantee optimal performance.