What Causes Main Sewer Line To Clog?

What Causes Main Sewer Line To Clog?

 

Main sewer line clogs can be a homeowner’s nightmare, causing widespread plumbing issues and potential property damage. Understanding the common causes of these clogs is crucial for prevention and timely intervention. From severe pipe damage to the accumulation of everyday substances, several factors can contribute to a blocked main sewer line.

  1. Severe Pipe Damage
  2. A Sagging Sewer Line
  3. Tree Root Infiltration
  4. FOG (Fats, Oil & Grease)
  5. Old or Weak Sewer Lines

1. Severe Pipe Damage

Severe pipe damage can occur due to various reasons, including ground shifting, freezing temperatures, or corrosion over time. When pipes crack, collapse, or misalign, debris can easily accumulate at these weak points, leading to significant blockages. Regular inspections and maintenance can help identify and address pipe damage before it escalates into a major clog.

2. A Sagging Sewer Line

A sagging sewer line, often called a “bellied” pipe, occurs when a section of the pipe sinks due to ground or soil conditions. This creates a low spot where waste and debris can collect, eventually forming a clog. Sagging pipes are particularly problematic because they can’t be easily fixed without excavation and pipe replacement.

3. Tree Root Infiltration

Tree roots are naturally attracted to the moisture and nutrients in sewers. Tree roots can infiltrate sewer lines through small cracks or loose joints, growing inside and causing blockages. As roots continue to grow, they can also cause pipe damage, exacerbating the problem. Properties with large trees near sewer lines are particularly susceptible to this issue.

4. FOG (Fats, Oil & Grease)

Fats, oils, and grease (FOG) are common culprits in sewer line clogs. When poured down drains, these substances may be liquid, but they solidify as they cool, adhering to pipe walls and accumulating over time. FOG can trap other debris, creating stubborn blockages that are difficult to remove without professional intervention.

5. Old or Weak Sewer Lines

Older sewer lines, especially those made of clay or cast iron, are more prone to clogging. These materials can deteriorate over time, developing rough interior surfaces that catch debris more easily. Additionally, older pipes may have design flaws or outdated materials that make them more susceptible to blockages and damage.

4 Common Signs Of Clogged Main Sewer Line

1. Slow-draining

One of the first signs of a main sewer line clog is slow drainage throughout your home. Multiple fixtures, such as sinks, toilets, and showers, may drain slowly or not at all. This occurs because the main line blockage prevents water from flowing freely out of your home’s plumbing system.

2. Sewage Backup

A clogged sewer line is one of the major causes of sewage backups. This can occur in lower-level fixtures like basement toilets or floor drains. When the main line is blocked, wastewater has nowhere to go but back up into your home, creating an unsanitary and potentially hazardous situation.

3. Gurgling Sounds

Unusual gurgling sounds coming from your drains or toilets can indicate a main sewer line clog. These sounds occur when air trapped in the pipes by the blockage is displaced by water trying to drain, creating a distinctive gurgling noise.

4. Unpleasant Smell

A persistent, foul odor around drains or in your yard can signify a main sewer line clog. As waste builds up behind the blockage, it can produce strong, unpleasant smells that permeate your home or outdoor areas near the sewer line.

What to Do When Your Sewer Line Is Clogged?

1. Turn Off The Water Supply In Your Home

If you suspect a main sewer line clog, immediately turn off the water supply to your home. This crucial step helps prevent dark water flooding and sewage backup, minimizing potential damage to your property and reducing health risks associated with exposure to contaminated water.

2. Call TX Hydrojet

When dealing with a main sewer line clog, it’s essential to call a professional to fix the issue. At TX Hydrojet, we stand out as one of the best Houston Sewer Line Cleaners. Our experienced team can quickly diagnose the problem and use advanced techniques like hydro jetting to clear even the most stubborn clogs, ensuring your sewer line functions properly and preventing future issues.