House smells like sewer when it rains

House smells like sewer when it rains. When it rains, it can be normal for a home to smell like a sewer.

It’s not cool, and you want a plumber to come out and look at your problem immediately. It depends on their construction and the temperature or locality mainly.

House smells like sewer when it rains
House Smells Like Sewer When It Rains

Sewer gas is gas from your sewage system that is created by combining waste with other household products that go down your drains.

This mixture, which includes Sulphur dioxide, ammonia, hydrogen sulfide, and other gases, can create some very bad smells.

You have some plumbing problems when your house smells like a drain, which is a warning. Below,

We look at some of the particular issues that sewer gas can cause.

Water Trap Faulty/ P-TrapWater Trap Faulty: P Trap

There should be a P-trap in each region of your home that has a drain of some kind.

This will include restrooms, sinks, and drains for washing. This is also the primary explanation for sewer odor in your home when the P-trap fails or falls.

The Septic Devices

If there is a broken pipe, one of the most popular issues is. Rainwater will find the lowest point, and your septic tank will start to fill up if you have a gap in your sewer line.The Septic Devices

It allows the sewer gas to increase when the septic fills up with rainwater, and if you have a cracked or broken pipe, it can smell bad near your building.

Ring of Wax

At the base of your toilet, the wax ring helps maintain a seal between your toilet and the drain pipe. If a seal is broken, it may result in a leaky toilet and a bad smell.

Sewer gas will leak through your sewer pipes and create a horrible smell when the wax ring is broken and escapes into your home.

How to Correct

This includes draining and removing the toilet to enter the ring. The previous dried-out wax ring is also in poor shape and needs to be scratched off the flange of the toilet.

Before installing a new unit, you may want to use cleaner or vinegar to clean the area around the toilet flange.

Drains on the Floor

A correctly mounted floor drain has a P-trap. If this P-trap is breached, sewer gas will leak through and create a disgusting odor.


Anywhere you have a drain, sewer gas will seep up into your existing sewer pipes. This will amplify the condition when it rains by driving gases out.

That is a sign that you have a plumbing problem when you smell sewer in or around your house; you should have fixed it right away.

Does it Smell Like Sewer In Your Home?

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