Sewer Smells Lurking? Here’s What It Could Mean

Sewer smells in your home or business can be more than annoying and often indicate an underlying problem with your sewer line. Quickly identifying the source of the odor is the first step in addressing potential sewer line issues before they escalate into costly, time-consuming repairs. Here's how you can pinpoint where the sewer smell comes from and what it might mean for your plumbing system.

What Does a Broken Sewer Line Smell Like?

A broken sewer line emits a distinct and unpleasant odor, often described as smelling like rotten eggs or sulfur. This smell is due to hydrogen sulfide gas, one of the compounds produced by decomposing organic matter in the sewer system. If you notice this foul odor in or around your property, it can be a strong indicator that there might be a crack or leak in your sewer line.

Common Sources of Sewer Smells:

  1. Drains and Fixtures: If the smell is strongest near a drain or fixture, it could indicate a localized blockage or a dry trap. If a sink goes unused for a while, water in the traps can evaporate, resulting in a dry drain. When the drain is dry, sewer gas or vapors from improperly disposed chemicals can rise through the drain and create an unpleasant odor.

  2. Basements and Crawl Spaces: These areas often house sewer pipes, which can be the first place leaks appear. A persistent odor in these spaces usually signals a more extensive issue with the main sewer line.

  3. Outdoor Areas: Sewer smells outside your home can reveal problems with the sewer line that runs from your house to the central sewer system. These problems can be due to cracks, root intrusion, or other damage.

What Are the Signs of a Broken Sewer Pipe?

A broken sewer pipe can manifest in various ways, and early detection can save you from more extensive and expensive repairs. Here are some key signs to look out for:

  • Water Backups: Frequent backups in your toilets, sinks, and drains strongly indicate a sewer line issue.

  • Slow Drains: If multiple fixtures in your home are draining slowly, it could mean a blockage or break in the sewer line.

  • Soggy Spots in Your Yard: Unexplained wet patches in your yard can indicate a leaking sewer line underground.

  • Foundation Cracks: Sewer line leaks can cause the ground to shift, leading to cracks in your home's foundation or walls.

  • Gurgling Noises: Gurgling sounds from your drains or toilets may indicate a blockage or break in the sewer line.

  • Persistent Odors: As mentioned earlier, a persistent sewer smell inside or outside your home strongly indicates a problem.

Beyond expensive damage, exposure to sewage and its gases can pose serious health risks. 

What Are the Symptoms of Being Exposed to Sewage?

Recognizing the symptoms of exposure and taking immediate action to protect your health and safety is essential.

Health Symptoms to Watch For:

  • Respiratory Issues: Breathing in sewer gases can result in shortness of breath, coughing, and respiratory tract irritation.

  • Headaches and Dizziness: Extended exposure to sewer gases may cause long-lasting headaches, dizziness, and feelings of nausea.

  • Eye, Skin, and Throat Irritation: Direct contact with sewage can lead to red, itchy eyes, skin rashes, and throat discomfort.

  • Gastrointestinal Problems: Consuming contaminated water or being near sewage can cause stomach cramps, diarrhea, and vomiting.

If you or your family experience any of these symptoms, seeking medical attention and promptly addressing the sewer issue is important.

Addressing Sewer Line Problems Before They Escalate

Identifying sewer line issues early and addressing them promptly is crucial to preventing further damage and costly repairs. Here are some home maintenance steps you can take:

  1. Inspect and Clean Drains Regularly: Regular maintenance of your drains can help prevent blockages that lead to sewer line issues.

  2. Monitor Water Usage: Keep an eye on your water bills. A sudden increase could indicate a leak

  3. Hire Professionals: If you notice any signs of sewer line problems, contact a professional. They can perform a thorough inspection using advanced tools like video cameras to pinpoint the issue.

Sewer smells are not just unpleasant; they can be a sign of serious sewer line issues that require immediate attention. By understanding the signs of sewer line problems and knowing when to call in a professional, you can protect your property and health from the hazards of sewage exposure. 

How Water Leaks Can Lead to Sewage Problems

Unresolved water leaks can contribute to sewage issues by causing ground movement, damaging sewage pipes, and leading to contamination. Here’s how:

  • Ground Movement: Continuous water leaks can saturate the ground, causing it to shift or sink. This movement can break or wear down sewage pipes, leading to leaks and blockages.

  • Infiltration: Water from leaks can penetrate sewage systems, overwhelming them and causing backflow or spillage of sewage into homes and the environment.

  • Foundation Damage: Persistent and undetected leaks can weaken a building’s foundation, potentially causing structural issues affecting water and sewage lines.



By addressing water leaks promptly, you conserve water and prevent potential sewage issues that could pose serious health risks. Regular inspections and proper maintenance from a professional are key to ensuring that your water and sewage systems function efficiently and safely.

Find yourself needing your sewer line repaired? Call us today to get scheduled!



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