What’s That Smell? Common Causes of Sewer Problems

Sewer issues not only cause foul smells but can also lead to health hazards and property damage.

Unpleasant odors from drains or around the home often signal a sewer problem requiring attention. Sewer issues not only cause foul smells but can also lead to health hazards and property damage. Identifying the common causes of these problems can help prevent further complications. A licensed plumber or local plumbing expert can diagnose and repair sewer issues to keep the home safe and odor-free.

Clogged Sewer Lines

A clogged sewer line is one of the most common causes of sewer problems. Over time, materials such as grease, food debris, and hygiene products can build up in the pipes, leading to blockages. When a sewer line becomes clogged, wastewater cannot flow freely and back up into the home or release foul odors through the drains. A local plumbing company can perform professional drain cleaning to dislodge blockages and restore proper flow in the sewer line.

Tree Root Infiltration

Tree roots are a major offender when it comes to sewer line issues. Roots naturally seek out water sources; if there is even a small crack in the sewer pipe, they can invade and cause significant damage. As roots grow, they can block the flow of wastewater, causing backups and unpleasant smells. In severe cases, tree roots can cause the sewer line to collapse, requiring extensive repairs or replacement. A licensed plumber can inspect the sewer line using specialized equipment to determine if tree roots are the source of the problem and recommend solutions.

Broken or Collapsed Sewer Pipes

Sewer pipes can crack, break, or collapse due to age, ground shifting, or external pressure. When a pipe is damaged, wastewater may leak into the surrounding soil, causing foul odors to rise from the ground or drains. In addition to the smell, broken sewer pipes can lead to slow drains, standing water, and recurring clogs. A local plumbing expert can assess the condition of the pipes and carry out necessary repairs or replacements to fix the issue.

Dry P-Traps

P-traps are curved sections of pipe found beneath sinks, tubs, and other drains. They are designed to hold a small amount of water and serve as a barrier to prevent sewer gases from entering the home. If a drain has not been used for a while, the water in the P-trap may evaporate, allowing sewer odors to escape. Running water through the affected drains can refill the P-trap and eliminate the smell. If odors persist, a licensed plumber can inspect the system for any underlying problems needing attention.

Sewer Vent Blockages

Sewer vent pipes allow gases from the plumbing system to escape outside the home, maintaining proper airflow and preventing pressure buildup. If the vent pipe is blocked by animal nests or other obstructions, sewer gases can be trapped inside the plumbing system. This can result in unpleasant odors coming from drains or around the home. A local plumbing company can clear the blockage and restore proper ventilation to resolve the issue.

Septic System Problems

Issues such as an overloaded tank, blocked drain field, or damaged pipes can cause foul odors in homes that use a septic system. When a septic system is not functioning correctly, waste may not be properly processed, leading to backups and smells both inside and outside the home. Routine septic system maintenance prevents these problems. A licensed plumber can inspect the septic system, pump the tank if necessary, and recommend any repairs to keep it running smoothly.

Improperly Installed or Damaged Plumbing Fixtures

Improper installation or damage to plumbing fixtures such as toilets, sinks, or bathtubs can also lead to sewer smells in the home. For example, a faulty seal around the base of a toilet can allow sewer gases to escape. Similarly, damaged pipes or fixtures can create openings where gases can leak out. A local plumbing expert can inspect the fixtures and pipes to identify and repair any issues that may be contributing to the odor.

Sewer problems should never be ignored, as they can indicate serious issues that need attention. Consulting with a licensed plumber or local plumbing company can help homeowners identify the cause of sewer odors and restore the plumbing system to proper working order. By addressing sewer issues promptly, homeowners can prevent further damage and maintain a safe, odor-free environment.

Simba Plumbing offers residential and commercial plumbing services to Phoenix and surrounding areas. We are family-owned, meticulous and provide affordable, transparent pricing. Call us at 602-962-3537.