Few household problems are as unpleasant as walking into your bathroom, kitchen, or laundry room and being greeted by a sewage smell. If your home smells like a sewer, these odors are not normal and indicate a plumbing issue that needs to be addressed.
While some causes of sewer odors are simple, others require professional plumbing repairs from the experienced plumbers at Benjamin Franklin Plumbing in Orlando, Florida, and the surrounding area. In this guide, you’ll learn the most common causes of sewer smells, when to take action, and how to eliminate the odor for good.
Quick Takeaways
- Plumbing vent issues, dry drain traps, damaged seals, or sewer line problems can all cause sewer odors.
- Some sewer smells have simple fixes, while others require professional plumbing repairs.
- Sewer gas odors should not be ignored, especially if they persist or worsen.
- Heavy rain can sometimes expose hidden plumbing problems.
- A professional inspection can identify the source quickly.
Why Does My House Smell Like Sewage?
Vent clogs, damaged toilet wax rings, dry p-traps, sewer line leaks, drain buildup and biofilm, or loose or damaged drain pipes can cause sewer odors in your home. Determining the cause allows you to solve your odor issue properly.
The Most Common Causes of Sewer Odors in a Home
1. Dry P-Traps
P-traps are the U-shaped pipes located under your sink and beneath floor drains and tubs. Their shape is designed to keep sewer gases from seeping into your home by trapping water to cut the gas’s entry point. When a p-trap dries because of not being used, gases can enter your home.
If you notice sewer odor coming from your sink, turn the water on and run it to restore your p-trap’s water. Similarly, if the smell comes from a floor drain, pour water down it to eliminate the smell.
2. Clogged Plumbing Vents
Drain systems in your house, including those for your bathroom plumbing, kitchen plumbing, and washing machine, must be properly vented to keep sewer gas from entering your home. When a vent pipe becomes clogged, sewer gas can’t be vented out of your home and can instead emanate foul odors from the walls surrounding the clogged vent pipe.
Vent pipes exit through your roof. You can use a flashlight to peer into the pipes from the roof. Check for visible debris and try to dislodge it with a plumbing snake. When you have a clogged vent pipe, it’s best to call our punctual plumbers at Benjamin Franklin Plumbing for safe vent pipe clog removal.
3. Damaged Toilet Wax Rings
Between the base of your toilet and the flange, there is a wax ring that’s designed to keep the space by the sewer pipe waterproof and airtight. If the seal breaks or cracks, it can allow leaks and sewer smells to enter your home. A damaged toilet wax ring must be replaced to eliminate the odor when it’s the source.
4. Sewer Line Leaks
If you smell sewer odors in your basement, crawl space, or around your home’s foundation, you may have a sewer line leak or blockage. Leaks and blockages prevent sewage from flowing properly through your sewer pipes and can lead to a foul sewer odor. A plumber from Benjamin Franklin Plumbing can perform tests to identify any sewer line leaks and repair them to eliminate sewer odors.
5. Drain Buildup and Biofilm
Organic debris can accumulate in your pipes over time, including:
- Food particles
- Fats and oils
- Hair
- Soap scum
- Grease
These materials can create mixtures on which bacteria can breed and build up. Bacteria can release hydrogen sulfide gas that results in a sulfur or rotten egg smell. Clearing these clogs and eliminating the bacteria can restore your home’s smell.
6. Loose or Damaged Drain Pipes
Damaged or loose drain pipes can leak and cause a sewer odor due to escaping hydrogen sulfide. This can result from pipe performations or loose-fitting pipes. Similarly, clogs containing chemicals from chemical drain cleaners can corrode your pipes if they remain in your pipes too long.
To fix this issue, you’ll need to tighten any loose plumbing and replace or repair damaged drain pipes. Our punctual plumbers can identify the problem and help you fix it.
Why Does My House Smell Like Sewage After Heavy Rain?
Florida experiences heavy rain frequently, which can lead to saturated soil and plumbing vent issues. Surging water can push sewer gas through blocked vent pipes, overwhelm city water lines or septic systems, or wash away seals from your drains. All of these problems can allow sewer gases into your home.
Can Sewer Gas Be Dangerous?
Sewer gas is made up of several chemical compounds, including:
- Hydrogen sulfide
- Ammonia
- Methane
- Carbon dioxide
While a small amount of sewer gas isn’t dangerous, high levels can be toxic and cause poor indoor air quality and adverse symptoms. Hydrogen sulfide and ammonia can both cause organ damage at high levels. Both ammonia and methane are flammable, so high levels of sewer gas in your home can create a fire risk.
If sewer odors return or persist, call a plumber at Benjamin Franklin Plumbing for help in Orlando or the surrounding area.
Signs You Need Professional Plumbing Repairs
The following signs indicate you should call our punctual plumbers for repairs immediately:
- Recurring odors – Sewer smells that repeatedly return
- Multiple affected fixtures – Sewer odors coming from multiple fixtures
- Slow drains – One or more slow or stopped drains
- Gurgling toilets
- Sewer smells that return after cleaning
How Professional Plumbing Repairs Eliminate Sewer Odors
Professional plumbing repairs can eliminate sewer odors and restore you home’s indoor air quality:
- Plumbing vent repairs – Finding and removing debris from plumbing vents and repairing damage can eliminate sewer odors.
- Drain repairs – Our plumbers can repair drains and drain pipes to prevent sewer gas from entering your home.
- Toilet seal replacement – If your toilet seal is the source of sewer odor, our plumbers can replace it to ensure a watertight and airtight seal.
- Sewer line diagnostics and repairs – We can conduct smoke tests and micro camera inspections to identify damage and repair leaks.
FAQ
Is It Normal to Smell Sewer Gas in a House?
No. Sewer gas odors in your home are never normal and should prompt you to call our expert plumbers.
Why Does My Bathroom Smell Like Sewage?
If your bathroom smells like sewage, it can be caused by several issues. Common causes include a dry p-trap, a damaged or cracked toilet wax seal, blocked or clogged pipe vents, or accumulated drain buildup and biofilm.
Can a Clogged Vent Cause Sewer Odors?
Yes, a clogged plumbing vent is a common cause of sewer smells in homes.
Why Does My House Smell Like Sewage After Rain?
Heavy rain can overwhelm your septic system or city water line and cause sewer gas to back up into your home. It can also be forced into your home through clogged vents or damaged pipes after rain.
When Should I Call a Plumber for Sewer Smells?
You should call a plumber whenever you smell sewer odors. Our punctual plumbers at Benjamin Franklin Plumbing can identify the source and make the repairs needed to prevent the smell from coming back.
Get Help Solving Sewer Odor Problems in Orlando, FL
If you are dealing with a recurring sewer odor in your home, it’s important to identify the underlying cause and repair it immediately.
The punctual plumbers at Benjamin Franklin Plumbing proudly serve residents in Orlando and the surrounding areas and can promptly respond. We offer thorough sewer odor diagnosis and fast plumbing repair services.