A sump pump is typically located in a basement, and it is a pump used to remove drainage water that has accumulated in a collection basin. The water commonly enters the collection basin from the perimeter drains of a basement waterproofing system, and the source of the water can be either surface rainwater, or it can be groundwater if the basement is below the water table level. The way an automatic sump pump works is that when the water level rises, it pushes up a float that

Adapted from article by Nick Gromicko of Internachi Water Damage Concerns Basements are typically the area of a structure most at risk for water damage because they are located below grade and surrounded by soil. Soil releases water it has absorbed during rain or when snow melts, and the water can end up in the basement through leaks or cracks. Water can even migrate through solid concrete walls via capillary action, which is a phenomenon whereby liquid spontaneously rises