If you are dealing with a situation where (or the drain field lines), this is a serious issue that requires immediate attention. Toilet paper is designed to break down, but if too much is used, or if the wrong type of paper is flushed, it can form a blockage that prevents water from leaving the tank.
If you're experiencing any of the following symptoms, it's possible that your drainfield is clogged: septic tank clogged drain
To prevent clogs and ensure optimal performance: If you are dealing with a situation where