Can a Swimming Pool Cause Foundation Water Damage?

Water from a leaky pool constantly drains into the ground, raising the moisture content of the soil around your foundation. This process is often slow and goes unnoticed until damage appears. In a humid subtropical climate with hot humid summers and cool winters, high evaporation can mask the problem initially.

Saturated soil expands, exerting pressure on foundation walls. If the leak is later repaired or the pool is drained, the soil can shrink dramatically. This cycle of expansion and contraction stresses the concrete or blockwork, creating cracks that allow water to enter your home's lower levels.

First, confirm a pool leak exists. Mark the water level and check it 24 hours later with the pump off; a drop over half an inch suggests a leak. Once confirmed, turn off the pool's fill valve to stop adding more water to the compromised soil.

Next, contact a qualified pool repair specialist to locate and fix the leak. At the same time, you should address any water that has entered your home. Local water damage pros can assess the interior damage and begin necessary drying.

Repair involves two separate trades: fixing the pool and restoring your home. A pool contractor must permanently seal the leak. Inside, water damage restoration focuses on drying the affected structure, repairing cracks, and addressing any secondary mold issues that may have developed.

The cost for foundation repair and water mitigation varies widely. It often depends on the extent of the damage, the materials affected, and the repair methods required. Policies vary, and your insurer decides what is covered. Discuss the situation with your insurance company to understand your options.