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What Are the Causes of Water Under Your House?

Updated November 21, 2016

Often, as a homeowner, you may find water in your basement or underneath your home. There are a variety of reasons that cause water under a house, many of them stemming from damage or faulty equipment in other areas of the home. It is important to examine many different aspects of a home before determining the cause of water underneath the foundation or basement, and sometimes, you may need to consult a professional.

Defective Gutters and Downspouts

Defective gutters and downspouts are common causes of water under a house but can often be ignored or missed when trying to evaluate the problem. Defective or missing gutters and downspouts direct rainwater toward the foundation, instead of away from it. In turn, high volumes of water are directly hitting portions of the foundation, which can cause water to leak into a basement or underneath the foundation, causing damage.

Structural Cracks

It is important to know the type of foundation your house is set on when trying to determine the cause of water under the home. Concrete or concrete block foundations are prone to cracking, which leads to leaks in the foundation. In addition, foundations with soil set against them can often develop cracks and leaks as well. It is important to take note of these cracks, as severe leaks can cause the wall itself to move.

Faulty Plumbing

One oft-ignored problem that can lead to water under your house is slow leaking from faulty plumbing. The everyday appliances in your house -- such as kitchen sink, bathtub, toilet or water heater -- can develop tiny leaks. Since small leaks are not often noticed immediately, they can become larger and cause water damage over time. This water damage is often underneath of a home, because of where the plumbing is connected and set up.

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About the Author

Catherine Copeland has been writing professionally since 2005. Her articles have been published in newspapers such as "The Jackson Citizen Patriot" and "The State News." Copeland holds a Bachelor of Arts in journalism from Michigan State University.