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Overflowing Toilet

Reach behind the toilet and close the supply stop, and if the water keeps rising with that valve shut, the house drain is backing up and needs opening straight away.

Tap to Call(855) 321-3426

When this becomes an emergency

What a pro does

The plumber wants to know one thing before anything else: does closing the supply stop end it. If it does, the problem is local, sitting in the toilet's own trap or the short branch behind it, and it's cleared at the fixture or by pulling the toilet to reach the obstruction. If water keeps coming with the tank isolated, that's not tank water. That's the house drain finding the lowest opening it can reach, and the work moves outside to a cleanout. In this part of Kentucky and southern Indiana the causes behind that second case are familiar. Roots in a clay lateral under an old street. A cast iron main that's rusted down to a channel. Storm water getting into a compromised line during a wet week and taking up the capacity the house needs. Water at the base with a clear bowl is a different animal again, and points at the wax seal or the flange, which in a century-old bathroom is often sitting on a floor that's no longer flat. That gets set right rather than shimmed, because a rocking toilet breaks the seal again.

Frequently asked questions

A plunger on a simple blockage is fine, and often that's the end of it. If the bowl fills again on the next flush, or another fixture reacts when you flush, stop there. Continuing past that point tends to put water on the floor without changing anything.
Because a main line backup comes out at the lowest point. The basement fixture is downhill of everything else in the house, so it takes the overflow while the upstairs bathrooms seem fine. It's a signal about the main rather than about that toilet.
Usually the wax seal underneath has failed, often because the fixture rocks slightly on an uneven old floor. The leak is small each time and easy to ignore, and it soaks the subfloor and the joists below until somebody notices a soft spot.
It points at water entering the system that shouldn't be there, either through defects in your own lateral or from a public sewer running at capacity during the storm. The timing itself is diagnostic, so it's worth mentioning that the backups only happen when it rains.

Overflowing Toilet?

Get connected with a local pro now.

Tap to Call(855) 321-3426

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