What Are the Causes of an Overflowing Septic Tank?
Septic systems are designed to handle household wastes, but improper maintenance of a septic tank can often make waste a big problem. Most causes of septic overflow are overuse and incorrect equipment. Function A septic tank stores wastewater underneath the house. In the tank, solids sink to the bottom and oils float to the top. Bacteria then break down the top layer of scum and partially treated water flows into nearby soil, according to the Environmental Protection Agency’s Septic Tank Guide. Problems Septic tank overflow can occur due to problems with maintenance and the capacity of the septic system, or the condition and capacity of the drainage field. Causes Too much wastewater flowing into the septic tank can clog the system and flow back into the plumbing system. Drainage fields sometimes cannot handle the amount of water flowing out of the septic system; pavement and large roots can prevent soil from absorbing wastewater. Effects An overflowing septic system can reach groundwat
