If the water level dips below the level of the jet housing, the pump operates in the same manner that a shallow-well pump does. While flow rate drops off, water will be available until the level drops below about 25 ft. from the jet housing-the limit for a shallow pump. read more
Understanding Water Wells and How They Work A well is the most common way to obtain groundwater for household use. A well is basically a hole in the ground, held open by a pipe (or casing) that extends to an aquifer. read more