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High Groundwater and Foundation Solutions for Basements

basement water damage

Ground water in basements is a common issue in areas with high water tables, especially during heavy rainfall or snowmelt. In Canada, the long winters and heavy precipitation make a high water table an even bigger concern. If left unchecked, high groundwater can penetrate into your basement, causing devastating leaks and even floods.

Knowing how to fix a high water table under a house can help maintain a dry and stable basement, ensuring the longevity and safety of the home’s foundation. In this article, we’ll explore how ground water in basements develops, as well as the best high water table drainage solutions to prevent long-term damage to your home.

What is a High Water Table?

A high water table occurs when the underground water level is close to the surface, which can significantly impact basement foundations. When the water table rises, it can lead to ground water in basements, causing moisture issues, structural damage, and other hazards. Homeowners in areas with high water tables often face persistent dampness in their basements, making it crucial to understand the potential risks and the necessary preventive measures to protect their property.

Some of the risks associated with a high water table include:

Water Damage

A dirty basement floor flooded with water.

When the water table is high, ground water can easily seep into the basement. Without a high water table sump pump or other drainage solution in place, that water accumulates, causing everything from wet walls to standing water in the basement. This can damage walls, floors, and personal belongings, leading to costly repairs and potential loss of property value.

Foundation Instability

Close up of a crack in a bowing basement wall.

The constant hydrostatic pressure from excess groundwater can weaken your foundation, leading to cracks, bowing walls, and other structural issues over time. This instability can compromise the safety and integrity of your home. To address this, it’s essential to know how to fix a high water table under your house before you need more expensive foundation repairs.

Health and Safety Risks

Mold on basement wall

The presence of ground water in the basement creates a moist, humid environment conducive to mold and mildew growth. The air quality of your basement can impact your whole home as it rises, posing serious health risks, including respiratory problems and allergies. Additionally, a damp basement can attract pests and other health hazards.

How to Address a High Water Table

While you can’t always control how much water accumulates around your home, there’s a lot you can do to mitigate the impact it has on your basement and foundation. Some effective high water table drainage solutions include:

A worker installing a sump pump.

Basement Waterproofing

Professional basement waterproofing is the best way to lock out moisture in your basement. By sealing the walls and floors of your basement with a durable vapor barrier, you can prevent ground water from seeping in and causing damage. Meanwhile, interior drainage systems and high water table sump pumps effectively manage and redirect water away from the foundation if it does manage to find its way inside.

lawned garden being rolled out

Proper Lawn Grading

By ensuring that the land slopes away from your house, you can direct rainwater and melting snow away from the foundation, reducing the risk of water infiltration. This simple yet effective strategy complements other high water table drainage solutions, helping to keep the basement dry and stable. Understanding how to fix a high water table under your house includes addressing the landscape to facilitate better water flow and drainage.

Groundworks technician inspecting clogged gutters

Proactive Maintenance

Keeping your home’s drainage defenses in good working order is essential for managing the effects of a high water table around your foundation. Clean your gutters of debris before winter and ensure that your downspouts direct water away from your home to prevent excess ground water from accumulating near the basement. Additionally, consider an ice-proof discharge line protector to avoid weather-related complications.

Can I Fix My High Water Table Problems Myself?

While homeowners can handle some preventive measures like cleaning gutters and maintaining their lawns, these efforts only address surface issues and are often not enough to combat the complexities of a high water table. These basic maintenance tasks, although crucial, do not replace the comprehensive solutions needed to keep ground water from infiltrating basements.

Basement waterproofing should be left to professionals. Experts have the knowledge and tools to implement effective high water table drainage solutions, such as installing high water table sump pumps, dehumidifiers, and interior drainage systems. Pros know how to fix high water tables under houses by accurately assessing the problem and applying the most suitable waterproofing methods, eliminating the room for error associated with DIY solutions.

Choose Groundworks for Full Service Basement Waterproofing

A Groundworks worker inspecting a basement.

Professional basement waterproofing from Groundworks ensures long-term protection against the dangers of a high water table, safeguarding your home more effectively than DIY efforts can achieve. If you’re worried about ground water in your basement, contact our experts today to schedule a free inspection and waterproofing estimate.

Basement Waterproofing FAQs

Most homeowner’s insurance policies provide coverage for water damage resulting from events such as burst pipes, sink or bathtub overflows, and leaks from water heaters, dishwashers, or washing machines. However, these policies typically do not cover basement or foundation damage caused by heavy rainfall, storms, mudslides, sinkholes, or underground water seepage. In such cases, separate flood insurance coverage becomes necessary to safeguard against these types of water-related incidents.

Absolutely not. Basement water damage impacts your home and family’s safety. It only worsens with time, presenting further dangers and expensive solutions when you do decide to repair the problem. The easiest way to protect your home and prevent further damage is with prompt inspection and repair. As soon as you notice something wrong, contact Groundworks for a free inspection and receive a no-obligation repair estimate.

We do not recommend DIY basement waterproofing and foundation repair approaches. While tasks like sealing basement walls and cracks may seem like a quick fix, it is crucial to first identify and address the root cause of the problem. Consulting a professional is the best way to ensure proper identification, repair, and prevention of damage, rather than attempting a temporary DIY patch-up.

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Conor Battles

Conor Battles

Content Writer

Conor is a content writer and SEO coordinator for Groundworks with years of media experience across a variety of channels, including in home services and interior design. He’s passionate about using digital storytelling to help homeowners envision the ideal space for their unique needs. While based in Northeast Ohio, Conor was born and raised in New England and enjoys the outdoors, local music, and old movies.