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2. Hand pump - Wikipedia

   en.wikipedia.org/wiki/Hand_pump

   Deep well hand pumps are used for high lifts of more than 15 m. The weight of the column of water is too great to be lifted directly and some form of mechanical advantage system such as a lever or flywheel is used. High lift pumps need to be stronger and sturdier to cope with the extra stresses.

3. Water well pump - Wikipedia

   en.wikipedia.org/wiki/Water_well_pump

   Deep well pumps extract groundwater from subterranean aquifers, offering a reliable source of water independent of municipal networks. 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.

4. Comparison of pumps - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_pumps

   Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...

5. Submersible pump - Wikipedia

   en.wikipedia.org/wiki/Submersible_pump

   A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...

6. Pumping station - Wikipedia

   en.wikipedia.org/wiki/Pumping_station

   The concrete platforms used to house large motor / pump assemblies that brought sewage up from a deep main drain into several outfall sewers, taking it away from the city centre. Pumping stations in sewage collection systems are normally designed to handle raw sewage that is fed from underground gravity pipelines (pipes that are sloped so that ...

7. Well drainage - Wikipedia

   en.wikipedia.org/wiki/Well_drainage

   where Q = safe well discharge - i.e. the steady state discharge at which no overdraught or groundwater depletion occurs - (m 3 /day), K = uniform hydraulic conductivity of the soil (m/day), D = depth below soil surface, = depth of the bottom of the well equal to the depth of the impermeable base (m), = depth of the watertable midway between the ...