[[Image:riverbed jetted and driven wells.png|right]]
[[Image:dry riverbed well.jpg|thumb|right|300px200px|Halima Bidu collects water from a deep earth well on a dry river bed. Photo: Siegfried Modola/Shoot the Earth/[http://www.actionaid.org/2011/08/why-drought-about-power-not-rain ActionAid]]]
[[Image:JettedDrivenWellPoint.jpg|thumb|right|370px|Jetted / driven well point. Photo: WEDC © Ken Chatterton.]]
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This category includes short small diameter cylindrical screens (slotted or perforated pipes) that are inserted into unconsolidated sediments using water pressure or physical force, usually vertically or obliquely. Digging is not needed in this case.
===Suitable conditions===
Due to pumping requirements, it is best to site these wells:
* Within 30 metres of the pump location.
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! width="50%" style="background:#efefef;" | Advantages
! style="background:#ffdeadf0f8ff;" | Disadvantages
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| valign="top" | - Speed and low cost of construction <br>
===Construction, operations and maintenance===
The screens and pipework should be ideally 1.5 metres minimum from the riverbed surface. This is so that:
* There is at least a minimum of infiltration that occurs from surface water during the wet season when the river is flooded.
Extracting water can be done with handpump or mechanical pump. Handpump cylinder will need to physically be able to fit inside the screen that has been installed.
==Costs== ==Field experiences== ==Manuals, videos, and links==
==Acknowledgements==
* CARE Nederland, Desk Study: [[Resilient WASH systems in drought-prone areas]] October 2010.