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A tube well is a type of water well in which a long, 100–200 millimetres (3.9–7.9 in)-wide, stainless steel tube or pipe is bored underground. The lower end is fitted with a strainer, and a pump lifts water for irrigation. The required depth of the well depends on the depth of the water table.
Man cleaning a well in Yaoundé, Cameroon Hand pump to pump water from a well in a village near Chennai in India, where the well water might be polluted by nearby pit latrines. Shallow pumping wells can often supply drinking water at a very low cost. However, impurities from the surface easily reach shallow sources, which leads to a greater ...
The wells (which may be open dug wells or tubewells) have normally to be pumped, but sometimes they are connected to drains for discharge by gravity. Subsurface drainage by wells is often referred to as vertical drainage, and drainage by channels as horizontal drainage, but it is more clear to speak of "field drainage by wells" and "field ...
For more than a decade, farmers in parts of southwest Georgia haven’t been able to drill new irrigation wells into the Floridian aquifer, the groundwater nearest the surface, but that is set to ...
The wells may be arranged in a triangular, square or rectangular pattern. The design of the well field concerns depth, capacity, discharge, and spacing of the wells. [1] The discharge is found from a water balance. [2] The depth is selected in accordance to aquifer properties. The well filter must be placed in a permeable soil layer.
An artesian well is a well that brings groundwater to the surface without pumping because it is under pressure within a body of rock or sediment known as an aquifer. [1] When trapped water in an aquifer is surrounded by layers of impermeable rock or clay, which apply positive pressure to the water, it is known as an artesian aquifer . [ 1 ]