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Some Warning Signs Your Sewer Line May Be Clogged

a woman addressing a plumbing emergency,

Proper functioning of your sewer line is crucial for a hygienic and healthy living environment. Unfortunately, clogs can occur over time due to various factors, leading to significant problems if left untreated. Recognizing the warning signs of a clogged sewer line can help you address the issue before it becomes a major concern.

In this article, we will discuss some common warning signs that indicate your sewer line may be clogged. Early detection can save you from costly repairs and potential health hazards.

1. Multiple Drains Are Clogged

If you notice that several drains in your home, such as sinks, showers, and toilets, are all clogged simultaneously, it could indicate a clog in the main sewer line. The reason behind this is that all the wastewater from different drain lines runs into the main sewer line. Therefore, if there is a clog in the main sewer line, multiple drains will be affected and may require a high-powered hydro jet drain cleaning service.

2. Foul Odor

A strong, unpleasant smell emanating from your drains or outside your home can be a clear indication of a sewer line clog. When there is a blockage in the sewer line, it can cause sewage to back up and create a foul odor. This odor is not only unpleasant but also a potential health hazard, so immediate action should be taken.

3. Slow Draining

Slow drainage is another common sign of a clogged sewer line. If you notice that water is draining slowly from your sinks, showers, or tubs, it could mean there is a blockage. This occurs because the clog obstructs the water flow, causing it to accumulate and drain slowly.

4. Gurgling Sounds

Unusual sounds coming from your drains or toilet can indicate a sewer line clog. If you hear gurgling or bubbling noises when using these fixtures, it can be a sign of trapped air due to a clog. The air tries to escape as wastewater flows past the obstruction, resulting in gurgling sounds.

a person trying to unclog a toilet.

A backed-up toilet is a definite sign of a blocked sewer line. When flushing the toilet causes water to come up or drains slowly, it indicates a blockage in the sewer line.

5. Backed-Up Toilets

A backed-up toilet is a definite sign of a blocked sewer line. When flushing the toilet causes water to come up or drains slowly, it indicates a blockage in the sewer line. This is a serious issue that requires immediate attention as it can lead to unsanitary conditions and potential water damage.

6. Water Backup

If you have noticed water backups in your sinks or shower drains, it is likely due to a clogged sewer line. As sewage and wastewater cannot flow freely through the blocked pipe, it finds an alternative path, often through the lowest point in your home’s drainage system. This can result in water backups in sinks, showers, or even floor drains.

7. Patches of Lush Grass

While this sign may seem unusual, it can be an indication of a sewer line clog. If a section of your lawn or yard has patches of greener or more lush grass compared to the rest, it could indicate a leaking sewer line. As wastewater seeps into the soil, it acts as fertilizer, causing the grass to grow more vibrantly.

8. Sewage Backup in Basement

If you have a basement, a severe sewer line clog can cause sewage to back up into this space. This is a significant warning sign of a backed up sewer line and requires immediate professional assistance. Sewage backup in the basement poses not only health risks but also the potential for extensive property damage.

a plumber repairing pipes as an emergency call.

9. Previous Clogs and Repairs

If you have experienced frequent drain clogs or have had your sewer lines repaired in the past, it might be an indication of an underlying issue. Multiple clogs or repairs are often a sign that the sewer line is vulnerable to blockages, and it should be inspected promptly to prevent further complications.

10. Mold or Mildew

A clogged sewer line can create an environment conducive to mold and mildew growth. Excess moisture from leaking sewage can promote mold and mildew to thrive, leading to health issues and property damage. If you notice a persistent musty odor or see mold growth, it is crucial to investigate further for a potential sewer line clog.

It’s vital to address any warning signs of a backed up sewer line as soon as possible to prevent further damage and maintain a healthy living environment. Hiring a plumber to conduct a thorough camera inspection and carry out necessary repairs is the best course of action in dealing with sewer line clogs.

Remember, prevention is always better than cure. Maintaining proper sewer line hygiene, disposing of waste correctly, and avoiding flushing inappropriate items down the toilet can significantly reduce the chances of encountering a clogged sewer line.

By staying vigilant and recognizing the warning signs, you can protect your home from the unpleasant and potentially hazardous consequences of a backed up sewer line.

Symptoms of a Sewer Drain Clog

Symptoms of a Sewer Drain Clog

A clogged sewer drain is one of the very worst plumbing problems to have in your home. Just imagine the spectacle of wastewater with human waste and all kinds of filth bubbling up from a drain and flooding your home. This problem is better imagined than experienced.

A clogged sewer drain will not only cause flooding in your home, but it will also expose everyone in the house to significant health risks, warns IPM Management. Preventing sewer drain clogs is the best way to deal with them. But to prevent a sewer drain clog, you must know the signs of problems with your sewer drains.

How sewer drains work

All homes that are connected to the city sewer service have a single underground sewer drainpipe that runs from the home to the city’s systems. This pipe collects wastewater from all the drainpipes inside the home and channels it to the city sewers.

This main pipe is usually 3 or 4”in diameter and hooked to the home’s main drain. Other drainpipes that run from the home’s main drain to its various plumbing fixtures (sinks, showers, or toilets) often have a smaller diameter of 1 ¼ to 2 ½”. 

If the main sewer drainpipe which connects the home to the city systems is blocked, wastewater from the home will not pass through. Instead of going to the underground city sewer lines in the street, it will build inside the pipes until it eventually backs up into your home.

Signs that your main sewer drain is clogged

Here are the signs you will see in your home when there is a clog in your main sewer line.

Plumbing fixtures are clogged at the same time

Depending on how you manage your home’s plumbing, you may experience clogged drains from time to time. But when this happens, it is either the toilet, sink, or shower drain is clogged.

You usually shouldn’t have multiple fixtures clogged at the same time. If you find that two or more of the drains in the main level of your home are clogged, you may want to inspect your main sewer lines.

Toilets that won’t flush

This is one of the clearest signals that your main sewer line is in trouble. Toilet drains can get clogged as a result of flushing non-flushable items down the toilet. If you hear a gurgling sound from a toilet whenever you use a sink, bathtub or washing machine, it’s a sign that your main drain may have problems.

Blocked tubs and showers

A clog in the main sewer drain will show up in the shower and tub before you see signs of it in the sinks. That’s because shower and tub drains sit at a lower level than sink drains. 

As a result, issues with the main drain will become evident in those lower drain openings first. If shower and tub drains are filling with wastewater or draining slowly, you could have a clog in your main drain.

Strange reactions when using a sink

Typically, you will not experience backflow of wastewater at the sink because sinks are at a higher level than toilets and showers. But you may have trapped air in the sink drain if your main sewer line is clogged. 

Another sign to look for is gurgling sounds from the toilet closest to the sink or a change in water level inside the toilet bowl whenever you run water in the sink.

Overflow/backup when using the washing machine

If your main sewer drain is clogged, one of the signs is when draining water out of your washing machine, the toilet to overflow or results in backflow inside a tub or shower drain. If this problem is also accompanied by toilets that do not flush properly, you can be sure that your main sewer line is blocked.

What to do if your main sewer drain is clogged

Follow these steps if you think the main sewer drain in your home is blocked:

  • This is not a problem you can solve by yourself. Get a drain specialist to inspect the main sewer lines; they have the tools to correctly diagnose and quickly solve the problem.
  • Do not run the water in your home or flush any toilet. As long as you do not send more wastewater into your sewer drains, the problem will not get worse. Wait for the specialist to arrive.
  • To make sure a faucet in the home is not accidentally opened, shut off the water supply to the entire home from the main shut-off valve (not the shut off valve for individual fixtures).

What if after the drain cleaning specialist has camera inspected your main sewer drain, they determine that the problem is from the city sewer lines? What can you do in this situation? For issues with the city sewers, talk to city officials. The city sewer line is outside your line of authority.