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Causes of Main Sewer Clogs

Jul 10, 2022
Causes of Main Sewer Clogs

If there is a clog in your sewer system, this can cause dirty sewage to back up into your house through your drains. This will result in damage to your house overall, such as walls, floors, and other devices. It will also have health side effects that pose harm to you and your family and additionally, it will cause many expenses since you need to fix the broken parts of your plumbing system now. Because of these costly results, we believe that it is important to find the clogs before it becomes a problem for you. To do this, every homeowner must be educated on what causes these clogs and how to prevent them. Therefore, in this article, we will discuss the main causes of main sewer clogs, the signs of these clogs, and the different ways you can approach them.

These are some of the major red flags that show you a potential clog in your main line sewer.

  • Drains that frequently backup. This is especially important if it happens on the lower floors of your property. If this is the case, don’t just pour the drain cleaners, you might cause more harm when trying to solve the problem.
  • If more than one plumbing appliance in your home is affected, this may show you that the main sewer is problematic, not the individual-specific pipe.
  • Do you hear constant gurgling sounds in toilets and experience other plumbing issues on daily basis? This is another sign that shows that your main sewer is problematic.
  • If you are suspecting a potential clog in your main line sewer, observe your lawn closely. If you notice a depression, this may indicate a pipe that is cracked. Additionally, if you notice wet areas on your lawn during dry weather, this is another red flag you should watch out for.

Now, we will go over the causes of main sewer clogs.

Tree roots

If tree roots are large and powerful enough, they can enter your sewer system and obstruct the routine flow. You can try to use chemicals to kill the roots that are disrupting the floor. However, you should be careful since they can harm and potentially kill the tree. To avoid this problem in the first place, if it’s up to your decision, do not plant trees close to your sewer lines.


Sewer drain clogs are frequently caused by grease, oils, and fats. Yes, we know you pour them down the drains in their liquid forms. However, they solidify and eventually clog the line. The best way to deal with this is pretty obvious, do not pour down any type of grease down the drain.

Unknown Objects

Another common main drain blocker is these random objects that are flushed down the toilet, especially items like baby diapers. Like the previous point, the best way to prevent this is to avoid flushing them and instead throw them in the garbage. 

Take Action Before It’s Too Late

Sewer line repair is a hard and filthy task without the tools and knowledge. If the pipes are both broken and clogged, this makes the job double hard. If you need help with your clogged sewer lines, call the affordable plumbers of Neighborhood Plumbing. Don’t ignore your sewer problems and lead them to grow, take your caution beforehand. 

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