Heavy rainfall, flooding, or poor drainage can all cause the soil in the drain field to become saturated, which can lead to septic system failure. Waterlogged soil is unable to break down and absorb effluent. This might cause the sewage to back up into the house or bubble up to the surface. To learn more visit the blog post about what is the most common cause of septic system failure.
Blog post-https://dailybusinesspost.com/what-is-the-most-common-cause-of-septic-system-failure/