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2. Hand pump - Wikipedia

   en.wikipedia.org/wiki/Hand_pump

   Hand pumps avoid these issues and are therefore preferable. [1] However, villagers did not stop using traditional means of gathering water during this project. This was especially true when rain provided villagers with shallow water sources. These shallow wells were often easier to access than the wells with hand pumps.

3. Water well pump - Wikipedia

   en.wikipedia.org/wiki/Water_well_pump

   These pumps, often submersible and powered by electricity, can access water reserves located much deeper than shallow wells, ensuring a consistent supply even during periods of drought. They include different kinds of pumps, most of them submersible pumps: Hand pump, manually operated; Injector, a jet-driven pump; Mechanical or rotary lobe pump ...

4. India Mark II - Wikipedia

   en.wikipedia.org/wiki/India_Mark_II

   A typical Mark II hand pump in India. The pump was designed in the 1970s in a joint effort between the Government of India, UNICEF, and The World Health Organization (WHO) to address the severe drought and a water shortage affecting India during that period and to prevent evacuation of villages to refugee camps. Prior to the pump's design, poor ...

5. Well - Wikipedia

   en.wikipedia.org/wiki/Well

   Construction of hand dug wells can be dangerous due to collapse of the well bore, falling objects and asphyxiation, including from dewatering pump exhaust fumes. The Woodingdean Water Well, hand-dug between 1858 and 1862, is the deepest hand-dug well at 392 metres (1,285 ft). [15]

6. Pumpjack - Wikipedia

   en.wikipedia.org/wiki/Pumpjack

   The scale of the technology is frequently smaller than for an oil well, and can typically fit on top of an existing hand-pumped well head. The technology is simple, typically using a parallel-bar double-cam lift driven from a low-power electric motor, although the number of pumpjacks with stroke lengths 54 inches (1.4 m) and longer being used ...

7. Village-level operation and maintenance (pumps) - Wikipedia

   en.wikipedia.org/wiki/Village-level_operation...

   During the first UN decade on water boreholes, hand-dug wells and tubewells were constructed and water pumps were provided to developing countries by various NGOs. Unfortunately this top down approach led to the installation of pumps, notable the India Mark II, that were difficult to maintain. VLOM pumps were designed to allow remote villages ...