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How to Find Early Signs of Sewage Problems

January 3rd, 2025

4 min read

By Jorge Cardenas

A septic tank hole cover leaking.

You may have taken it for granted, but there is a complex network inside your home that works hard all day to give you clean water while removing wastewater. We are talking, of course, about your sewage system: an ensemble of pipes and fixtures that make up the heart of your property. However, like any system, it can also fail. Have you ever thought about how to catch sewage problems before they turn into a catastrophe?

Restore-It's long history with sewage restoration has made us aware of the difficulties that arise from sewage incidents. Expensive repairs, significant inconvenience for property owners, and even health hazards are the main issues associated with ignoring a problem brewing in your sewage. But worry no more! We are here to tell you about it so you can find the issue before it becomes a disaster.

Today, we will explore the early warning signs of sewage problems, helping you identify potential issues before they escalate into significant emergencies. You can protect your property, health, and wallet by recognizing these red flags and taking prompt action. So, let's get started and learn how to spot a potentially lousy sewage situation before it's too late.

8 Early Signs of Sewage Problems

The key to avoiding a disaster is to take preventive measures, but before that, you need to know how to detect if there might be an issue with your sewage system. Here are the most common early signs that something is wrong with your home's plumbing:

1. Gurgling Sounds in Your Plumbing

This is one of the most common early signs of a sewage problem. Gurgling sounds from your drains or toilets occur when air is trapped in the pipes and forced out as wastewater flows through. While occasional gurgling may not be a cause for concern, persistent sounds often indicate a blockage or a problem with the sewer line.

2. Slow Draining or Backed-Up Drains

Another critical sign of trouble ahead is slow drains. If your sinks, showers, or bathtubs are draining slower than usual, you may have a potential sewage issue. The blockage could be caused by hair, grease buildup, or foreign objects lodged in the pipes. If left unaddressed, slow drains can escalate into complete blockages, leading to sewage backups.

3. Foul Odors

Do you smell that? If you get unpleasant odors on your property, check your drains or fixtures, as foul odors are a telltale sign of a sewage problem. These odors are caused by the buildup of hydrogen sulfide gas produced by decomposing organic matter in the sewage. So before blaming some family member or the unsuspected guest, be sure to investigate the source of the smell properly. If you find the culprits to be the drains, address the issue as quickly as possible.

4. Sewage Backups

These can be an actual homeowner's worst nightmare. Sewage backups happen when wastewater flows back up into your home through drains or toilets, causing significant damage and posing serious health risks. While a sewage backup is a major problem in itself, it's often preceded by other warning signs, such as slow drains and foul odors (see why we told you they were important?).

5. Lush Green Patches in Your Yard

Now, this one is tricky. Why would a green patch in my yard be a bad thing? Well, as it happens, wastewater is actually very rich in nutrients that can act as fertilizer, promoting excessive growth in specific areas. In other words, those unusually lush green patches in your yard may indicate a sewage leak. This is easier to confirm if you find the location of your sewer line: if the greener zones coincide with the sewer line, you most likely have a problem.

6. Mold Growth

Mold thrives in damp, humid environments. Sewage leaks can create ideal conditions for mold growth in your home, particularly in areas with poor ventilation. If you notice mold growing in unusual places, such as around pipes or under sinks, it could be a sign of a hidden sewage leak.

7. Foundation Cracks

In severe cases, sewage leaks can affect the structural integrity of your home's foundation. The constant moisture from the leak can weaken the foundation, leading to cracks and settling. If you notice cracks in your foundation walls or floors, especially if accompanied by other signs of sewage problems, it's crucial to seek professional help immediately.

8. Pest Infestation

Rats and other rodents are attracted to sewer systems as they provide food, water, and shelter. If you notice increased rodent activity in or around your home, it could be a sign of a crack or leak in your sewer line, allowing rodents to enter your property.

What to Do If You Suspect a Sewage Problem: A Guide

So you followed the checklist and found a few of the signs mentioned above, and now you are wondering what to do before the situation escalates. Here is a step-by-step mini-guide you can follow to begin mitigating the problem before it turns into a mess:

Step 1. Identify the Source

When dealing with a lousy sewage situation, you must first pinpoint the location of the problem. Is it a single fixture, a specific drain, or a more widespread issue? Once you have identified the issue, you can proceed to the next step.

Step 2. Stop Using the Affected Fixtures

Now that you know exactly where the leak, slow drain, foul odor, or backup is coming from, ensure nobody uses the affected drains or fixtures to prevent further damage.

Step 3. Call In the Professionals

Given the difficulty and hazardous nature of the job (expertise, specialized tools, and protective equipment are needed), we suggest you call a certified plumber. Leaving this job to the pros will save you from unnecessary hassle and protect your health.

Step 4. Document Everything

Provide your plumber and insurance company with plenty of photos or videos of the problem. Depending on your circumstances—review your insurance coverage—you may qualify for reimbursement after filing an insurance claim.

Step 5. Inspect the Affected Areas

If you follow the checklist in this article, you may be able to catch the problem early on, but what happens if you don't? When a sewage problem is ignored, further issues can appear on the property. Mold growth, for example, can affect the indoor air quality and the building materials. If it comes to this, you will need a lot more than a plumber: you should call a professional sewage restoration company. Their expertise will help you restore your property back to its pre-damaged state.

Bonus Step: Prevent Future Problems

After everything is said and done, the key to avoiding this from happening again is to take proactive steps to prevent future sewage problems. These may include regular drain cleaning, proper disposal of grease and waste, and periodic plumbing system inspections.

By recognizing the early warning signs of trouble in your home's sewage system—from gurgling drains to unusual odors—you will be ready to act before things take a worse turn. However, if you find the issue too late, don't hesitate to call us. Restore-It provides 24/7 emergency sewage restoration services, including sewage cleanup, disinfection, deodorization, structural drying, water damage restoration, content cleaning and restoration, and mold remediation. Say goodbye to foul odors (and terrible experiences), and hello to a freshly renovated property!