Deep well dewatering systems lower groundwater using a drilling Deep well using a submersible pump. The number of Deep wells varies depending on the perimeter of the site. Each well will have a submersible pump, discharge line, and power cables. Normally Deep wells are used for a site that needs excavation of more than 7 Meters or more where the water table is very high. Basically, it helps to pump large amounts of water, and where the water draws down needs to be very high. In the system, the deep wells are spaced appropriately because of the radius of influence of each well.

The unlikely wellpoint system basically works on a vacuum suction system whereas a deep well system works on a gravity system. This system is Ideal for deep excavation of more than 30-100 ft below the ground.