Septic Pipe Leaking In Basement: Reasons And Solutions

A septic system is the most commonly used alternative to sewer systems. If your house is not connected to a city-wide sewer system, chances are it uses a septic system to get rid of sewage waste.

A common issue with septic systems is pipe leakage. If you suspect your basement or somewhere else has a leak and you want to know what caused it and how to fix it, then read on.

Signs of a Leaked Septic Pipe In The Basement

Sewer Leak In A Basement

The pipes leading into your septic tank run throughout your house. The wastewater from toilets, dishwashers, washing machines, and other places runs through an inlet pipe into your septic tank.

Even if you do not know the exact location of the leak, there are a few common signs that are usually indicative of a pipe leak. Let’s look at a few of them.

  • Foul Odor

This is likely the first sign you will notice in the case of a leaky pipe. The smells of the sewage and wastewater running through the leaky pipe seep into your house.

If you smell the musty odor of raw sewage somewhere in your house, chances are you have a leaky pipe.

  • Visible Mold

If you find any visible mold or algae growing inside your house, that was likely caused by a leaky pipe.

Surfaces such as wood or concrete become damp because of the sewage leaking into them, causing mold to grow.

  • Pooled Water

In some cases, you may find that dirty-looking water has pooled in a specific location without cause.

If you discover this, especially in a place without direct contact with water sources, it is likely a pipe leak.

  • Surface Damage

This usually starts with wet spots and stains on floors, ceilings, or walls. You may not think much of it at first, but if not swiftly dealt with, it can cause significant damage.

It starts off as a barely noticeable stain on a surface. Eventually, it will start to damage it, even causing it to crack at some point and release sewage into your house.

Causes of Septic Pipe Leakage

Leaking Sewer Pipe into Basement

If you find one or more of the signs in and around your house, you can safely assume you have a pipe leak somewhere.

Now, let’s see some of the reasons and causes behind the leaky pipe.

  • Clogged Pipes

Clogged pipes are some of the most common causes of leaky pipes. Pipes are built to help the flow of liquid into a specific place.

So, if any kind of solid passes through, it can potentially block the normal flow of liquid. This blockage leads to excessive pressure on the pipes, causing them to possibly crack and leak.

  • Damaged Seals

Appliances such as washing machines and dishwashers are connected to pipes with rubber sealants.

However, over time, this seal can weaken and eventually break. This can cause leaks near the connecting area.

  • Pipe Corrosion

Over time, as your septic system ages, corrosion such as rust can damage your pipes. This is especially true in the case of older houses. Even bad laundry detergent can damage the septic systems!

At a certain point, all the damage adds up and creates openings in the pipe, causing sewage and wastewater to leak.

  • Bad Septic System

The pipes in your septic system should always be laid by trained professionals. Oftentimes, the cause of a leak is not some visible damage but incorrect pipe laying.

It is important that the pipes are laid well enough so that the water can flow smoothly. If you suspect that your septic system has improperly laid pipes, contact a professional to fix it.

  • Damaged Pipe Joints

In any kind of plumbing system, the joint areas are some of the most vulnerable places.

Over time, the joints can get damaged by different causes. This can eventually lead to the joints weakening and causing leakage.

Solutions To A Leak

At this point in the article, you should now know the signs of a pipe leak and what causes it.

Now, before you do anything, call a professional! However, let’s look at all the possible fixes and solutions to leakage a professional plumber will usually take:

  • Shut Down the Flow of Water

In the case that the pipe leakage is extreme and water is going everywhere, a temporary fix is to shut off the water supply.

This will give you enough time to clean up the area while you wait for a professional to arrive and permanently fix the leak.

  • Applying Tape Over the Leak

Many different types of tape can be solid options for containing minor leaks. Tapes such as duct tape, teflon tape, and electrical tape can work well, depending on the pipe.

Before you apply the tape, you must first dry the area as much as you can so the tape can adhere properly.

After that’s done, the tape is applied completely flat against the pipe so that no water can fill up inside the tape.

  • Clamp the Pipe With a Pipe Clamp

A pipe clamp is made of metal sleeves with a     rubber interior. All you have to do is, purchase a pipe clamp that is the same size as the leaking pipe.

Then, place the rubber over the leaking area. Then, after it has been positioned properly, close the clamp around the pipe.

  • Applying Epoxy Compounds Over the Leak

Epoxy compounds such as J-B Weld and Quiksteel can be found in most hardware stores.

After you have purchased one, mix it until it turns into a light grey putty. Then, wrap the putty around the leak and allow it to set for five to ten minutes.

  • Call a Professional

The last and only permanent solution to a leaky pipe. After you have managed to contain the leak using one of the aforementioned solutions, you should then call the proper professionals.

They can properly assess the situation and then come up with a permanent solution to your leakage. But before you call a professional, watch this video.

Frequently Asked Questions (FAQ)

Below are some frequently asked questions and their answers.

What to do if pipe is leaking in basement?

If you discover a leaky pipe in your basement, you should first try to contain the leak as much as you can. Afterward, call a professional to fix it.

How do I seal the sewer pipe in my basement?

You can temporarily seal leaky pipes in your basement using different tapes or epoxy compounds.

How do you know if your septic pipe is leaking?

If you smell raw sewage around your house and see dirty water pooling, you probably have a leaky pipe.

Why is pipe leaking in basement?

Leaks are caused by clogged pipes, corrosion, improper pipe laying, and more.

Final Thoughts

A leaky pipe may only be a minor nuisance at first. But if it is not fixed, over time the damage can build up and cause significant damage to your house.

So, leakages require prompt action. Hopefully, after reading this article, you now know the proper steps to take if you discover a septic pipe leaking in the basement or anywhere else in your house.

Clyde Mitchell

I run a hardware store nearby Court Anaheim, CA. Over the last 7 years, I have been blogging about home improvement and yes, I own From me and this website, you can expect some useful tips on great ideas for a modern bathroom.

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