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Water Portal / Rainwater Harvesting / Groundwater recharge / Sand dam

74 bytes added, 03:55, 30 July 2012

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==Suitable conditions ==

[[Image:Sand dam flood.JPG|thumb|right|250px|Sand dam during flooding. Photo: [http://www.rainfoundation.org/index.php?id=151 RAIN Foundation.]]]

Expert input is required to determine the best site for the dam and to make sure the project is adapted to the physical conditions as well as social circumstances of the local community. Having a lead artisan per catchment area to decide on siting seems to help success rates. Physically, the site must be suitable for construction of a dam, provide safe drinking water, and be able to use sand sedimentation to increase water availability. Firstly it must be decided if the river is appropriate, secondly the best section of riverbed must be chosen, and then the optimum location for extraction.

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Winona

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