I have a bad sewage smell when flushing all toilets in the house. The house was built 2 years ago on a slab. The toilets flush normally, water levels are good, only once did we have a clog which was remedied by a normal plunger. Each time we flush we smell the sewage. No smell comes from other pipes in the house only the toilets. Any suggestions would be great, I am about to call a plumber. I am suspect of the builder and the plumber they hired when building the home to begin with.

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Originally Posted by Sarah SS

I have a bad sewage smell when flushing all toilets in the house. the house was built 2 years ago on a slab. the toilets flush normally, water levels are good, only once did we have a clog which was remedied by a normal plunger. Each time we flush we smell the sewage. No smell comes from other pipes in the house only the toilets. Any suggestions would be great, i am about to call a plumber. I am suspect of the builder and the plumber they hired when building the home to begin with.

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The smell is coming back up from your sewer pipe, More than likely the air trap isn't working or is too shallow.

It works the same as a u-bend on your sink. Water sits in the U of the bend and prevents smells from getting back up the pipe.

I'm not a plumber but would suggest that if you have one coming that is probably what he should be looking for. If its all the toilets then it will be a main air trap nearer the sewer pipe.

Nicnet

If you had a lowered level in your bowl I would go along with Nicnets answer. However, a normal bowl level means a normal trap level. Which leaves a wax ring that's ruptured and every time you flush it let's out a puff of sewer gas. Is one toilet worse the others? Is the smell worse in one area then in another? Let me know, Tom