One of the potential risks of owning any swimming pool is the possibility of damage due to a hydrostatic event. Essentially, ‘hydrostatic damage’ can occur when the water level in the ground rises higher than the water level in your pool. When this happens, your pool will naturally want to lift or float…a bit like a boat. As the ground water subsides again, and the pressure on your pool reduces, it can result in permanent bulges or cracks in the walls and floor.