Common Basement Flooding Causes
Flood Damage

Common Basement Flooding Causes

Flooding in the basement can cause thousands of dollars in water damage. Unfortunately, many homeowners deal with basement flooding every year. Some basement floods are caused by large amounts of rainfall. Rainfall flooding is more common in low lying areas. However, basement floods don’t always have anything to do with the weather. In fact, basement flooding can be caused by malfunctions within the house or problems with city water or sewer systems. Here are some common causes of basement flooding:

Sump Pump Failure:

The sump pump is responsible for keeping the basement from flooding during heavy rains. When the sump pump fails, water often backs up into the basement. Flooding due to a failed sump pump can become quite deep. Not only can the flooding damage things in the basement, but it’s a common cause of basement mold growth.

The cost of repairing a sump pump varies. However, it typically ranges between $350-$550 dollars. It tends to cost more to repair a submersible sump pump than a non-submersible one.

Plumbing Leaks:

Leaky plumbing is another common cause of flooding in the basement. Many water pipes run through the basement of a typical home, and these pipes often carry a sizable amount of water. If they break or leak, it can cause a large amount of water to accumulate in the lowest part of your home, typically the basement.

In order to stop this type of flooding, it’s best to seal the leaking pipe(s). There are different types of pipes that can leak and cause flooding in the basement. Leaking water or sewer pipes can cause flooding, but you also may experience basement flooding as a result of leaking storm sewer pipes.

It is important to remember that once a leak is identified you do what it takes to stop the leaky pipe and then call a restoration company like ours to come do the cleanup. Without properly cleaning the damaged area Mold is likely to take place.


Leaking Windows:

If you have windows in your basement, they can leak and let water in. In order to keep this from happening, it’s essential to make sure that windows in the basement remain in good repair.

If your basement windows begin leaking, the leak can result in significant flooding near the windowsills whenever it rains. It’s generally quite easy to determine whether or not a leaking windowsill is the cause of your basement flooding. The flooding from a windowsill in the basement will exclusively be in the area around the leaking windowsill. The only way to stop this type of flooding is to fix the windowsill.

Generally speaking, leaking windowsills are relatively inexpensive to repair compared to stopping other causes of basement flooding. In some cases, a waterproof epoxy may be all that’s needed to fix the leaking basement windowsill. Replacing a windowsill can be a bit more expensive, but the cost is generally still quite reasonable.

Foundation Leaks:

If the foundation itself has cracks in it, water can get into the basement. This is another common cause of basement flooding, and it is a particularly serious concern if there is groundwater near your foundation. Even if there isn’t groundwater, a leaking foundation can cause a significant amount of water to get into the basement during rainstorms. Cracks in the foundation also can be an extremely serious issue if there are sewer lines, water pipes, or storm sewer lines under the foundation.

Luckily, if the crack in a foundation is small, it can be quite inexpensive to repair. In fact, it may cost as little as 50-100 dollars. If waterproof paint is used to keep the water out, it may cost you a bit more. Furthermore, large cracks are likely to be more expensive to fix.

Poor Drainage:

If you have a driveway near your foundation, poor drainage can lead to flooding. If the water runs up to the house, it could get in the basement through small openings in the foundation. Not only can this become a serious problem during periods of heavy rainfall, but the problem can also present itself during times when snow is melting. An easy way to prevent this is to ensure that your driveway slopes away from the house. It creates a significant cost to install a drainage culvert to keep water away from your house.

Sewer Backup:

When sewers become full, it could back up into the basement. Luckily, this is a relatively uncommon scenario. This overflow can enter the home through the lowest fixture in the basement. When municipal sewers overflow, the repair is paid for by the city. Whether or not the city will cover any damage caused to your home varies depending on where you live. Unfortunately, this type of cleanup can cost thousands of dollars and requires a professional sewage clean up company.

In addition, sewer backups can be caused by a blockage in your sewage lines. This can cause a large amount of flooding in the basement. There are a number of different potential causes of sewer backups. Flushing objects down the toilet that aren’t meant to be flushed can cause a sewer backup. In addition, roots growing into sewer lines can cause a backup. If you have a septic tank that isn’t regularly pumped, it can cause a backup that causes basement flooding. Generally speaking, repairing a sewer cleanup costs anywhere between 1-4 thousand dollars. However, the cost can be significantly outside of this range.

Weeping Tile Failure:

If the weeping tile system in your house fails, it can keep your basement from being able to properly drain. This can cause floodwater to accumulate in the basement. If there are leaking pipes, weeping tile failure can make the flooding more serious.

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