Stop running water in the house right now, and keep everyone away from the backup. That one move matters more than anything else this minute, because every flush, tap, and load of laundry adds to waste that already has nowhere to go. Sewage backing up almost always means the tank is full or the line to it is blocked. It is a health hazard, and it is fixable, usually the same day. We answer 24/7 across the Knoxville area and the Smokies.
Sewage coming back up into the house is a real health hazard, so the guidance below leads with what to do this minute, then explains what is behind it.
Do this now
- Stop all water use. No flushing, no taps, no laundry or dishwasher. Every gallon you send down comes right back up.
- Keep people and pets clear of the backup. It is raw sewage, not just dirty water.
- Do not keep flushing to push it through. There is nowhere for it to go, and you will only spread it.
- If it is spreading, or it is the middle of the night, call. We dispatch 24/7 across Knoxville and the Smokies.
Why it is happening
Two causes cover almost every backup we see. The first is a tank that is full, so waste rises up the lowest drain in the house, often a basement drain, a tub, or a first-floor toilet. The second is a blockage in the line between the house and the tank.
Around Knoxville the ground gives a system less room for error. Thin soil over limestone and a high water table mean a drain field that is already saturated after heavy rain can push the whole system past its limit and force the backup indoors. At a cabin or rental, a big-guest weekend can do the same.
We come out, find where the backup starts, pump the tank to relieve it, and give you the real cause so it does not happen again next month.
If sewage is backing up right now, call now.