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Water Portal / Rainwater Harvesting / Surface water / Sump intake

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===Construction, operations and maintenance===

[[Image:SumpIntakeDiagram.JPG|thumb|right|200px|Sump intake diagram. Click image to zoom. <br> Drawing: WHO.]]

Operation is usually carried out by a caretaker. The sump must be checked daily for sufficient water inflow; any debris obstructing it must be removed, and any damage repaired. Most of the maintenance will be to the pump. The intake itself needs some cleaning and de-silting. If it caves in, or if the river or lake bank erodes, repairs have to be made. A sump inlet does not require special organizational arrangements.

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