How to Fix A Wet Basement & Get Water Out of A Basement

A wet basement can be a homeowner’s nightmare, leading to a host of problems such as mold growth, damage to belongings, and structural issues. If you’re dealing with a wet basement, it’s essential to address the issue promptly to prevent further damage. In this article, we’ll explore the causes of basement water, signs of a wet basement, and provide step-by-step instructions on how to fix it.

Get Water Out of A Basement

Understanding Wet Basements

Before we dive into the solutions, it’s crucial to understand why basements get wet. Basements are prone to water intrusion due to various factors such as groundwater seepage, improper drainage, foundation cracks, or plumbing leaks. Understanding the root cause is essential for effective remediation.

Common Causes of Basement Water

  1. Groundwater Seepage: High water table or excessive rain can lead to groundwater seepage into the basement through cracks in the foundation or floor.
  2. Poor Drainage: Improper grading around the house, clogged gutters, or ineffective downspouts can cause water to accumulate near the foundation and eventually seep into the basement.
  3. Foundation Cracks: Settlement or structural issues can result in cracks in the foundation walls or floor, allowing water to enter the basement.
  4. Plumbing Leaks: Faulty plumbing lines or leaking pipes in the basement can introduce water into the space.

Signs of a Wet Basement

Detecting the signs of a wet basement early on can help you take prompt action. Look out for the following indications:

  1. Dampness or Water Stains: Notice any dampness, watermarks, or discoloration on the walls, floors, or belongings in the basement.
  2. Musty Odor: A persistent musty smell in the basement is often a sign of excessive moisture and potential mold growth.
  3. Mold or Mildew: Check for the presence of mold or mildew on the walls, furniture, or stored items.
  4. Efflorescence: White, powdery residue on basement walls indicates water intrusion and mineral deposits.

Assessing the Damage

Once you’ve identified the presence of water in your basement, it’s essential to assess the extent of the damage. Look for the following:

  1. Water Level: Determine the depth of the water in the basement. This will help you understand the severity of the issue.
  2. Structural Damage: Inspect the foundation walls, floors, and support structures for any visible signs of damage or deterioration.
  3. Mold Growth: Check for mold growth and assess its spread. Mold can cause health issues and should be addressed promptly.

Fixing a Wet Basement

Now let’s dive into the step-by-step process of fixing a wet basement and getting water out:

Step 1: Identify the Source of Water

The first step is to identify the source of water. Is it coming from the walls, floor, or plumbing fixtures? Understanding this will help you determine the most appropriate solution.

Step 2: Repair Foundation Cracks

If you find any cracks in the foundation, they should be repaired to prevent further water intrusion. Epoxy injections or polyurethane sealants are commonly used for this purpose.

Step 3: Improve Drainage

Addressing drainage issues is crucial for keeping your basement dry. Ensure proper grading around the house, clean out gutters regularly, and direct downspouts away from the foundation.

Step 4: Install a Sump Pump

A sump pump can effectively remove water from your basement. It’s a device installed in a pit that collects water and pumps it out of the basement through a discharge pipe.

Step 5: Waterproofing the Basement Walls

Applying a waterproofing sealant or membrane on the interior walls can help prevent water seepage. This step is especially important if your basement experiences high groundwater levels.

Step 6: Consider External Waterproofing

For severe water issues, external waterproofing may be necessary. This involves excavating the perimeter of the foundation and applying a waterproofing coating or membrane to the exterior walls.

Step 7: Maintain Gutters and Downspouts

Regular maintenance of gutters and downspouts is vital to ensure proper water flow. Clean them regularly and consider installing gutter guards to prevent clogs.

Preventing Future Basement Water Issues

Taking preventive measures can help minimize the chances of a wet basement. Here are some tips:

  1. Ensure proper grading and landscaping around the house to divert water away from the foundation.
  2. Install a dehumidifier in the basement to reduce moisture levels.
  3. Regularly inspect and maintain plumbing fixtures to avoid leaks.
  4. Consider installing a backup battery system for your sump pump to ensure it works during power outages.


Dealing with a wet basement requires swift action to prevent further damage and protect your home. By understanding the causes, signs, and step-by-step solutions discussed in this article, you’ll be better equipped to fix a wet basement and keep it dry in the long run.

Frequently Asked Questions

  1. Can I fix a wet basement myself, or should I hire a professional?
  • While minor issues can be addressed by homeowners, it’s recommended to consult a professional for significant water problems to ensure proper diagnosis and effective solutions.
  1. How much does it cost to waterproof a basement?
  • The cost of waterproofing a basement can vary depending on the size of the basement, severity of the issue, and chosen waterproofing method. It’s best to obtain quotes from reputable contractors for accurate pricing.
  1. Will waterproofing solve all my basement water problems?
  • Waterproofing can significantly reduce basement water problems, but it’s crucial to address the underlying causes as well. Proper drainage, foundation repairs, and maintenance are equally important.
  1. How long does it take to fix a wet basement?
  • The time required to fix a wet basement depends on the severity of the issue, chosen solutions, and the availability of contractors. It can range from a few days to several weeks.
  1. Can I use a dehumidifier instead of waterproofing?
  • While a dehumidifier can help reduce moisture levels in the basement, it’s not a substitute for waterproofing. Waterproofing is necessary to prevent water intrusion and protect your home’s foundation.

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