How big is a septic drainfield?

How big is a septic drainfield? A typical septic drainfield trench is 18 to 30 inches in depth, with a maximum soil cover over the disposal field of 36″; or per the USDA, 2 feet to 5 feet in depth. How do I calculate the size of my septic drain field? The following formula would … Continue reading How big is a septic drainfield?