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Water Portal / Rainwater Harvesting / Groundwater recharge / Leaky dams

330 bytes added, 16:41, 19 April 2012
→‎Suitable conditions
==Suitable conditions==
{{Climate_change
|drought_text=- ''Effects of drought'': Less water stored behind dam. <br> - ''Underlying causes of effects'': Less recharge. <br> - ''To increase resiliency of WASH system'': Reduce water loss behind by using adjustable sheets filled with small size
gravel on the upstream side of the dam.
 
|flood_text= xxx
}}
 
Good practice is somewhat similar to that for a [[sand dam]].
* Ensure they are not built in an area where water will bypass the structure. Riverbanks should be equal in height and tall enough (height of dam + height of flood +10%), and dam should not be constructed near the bend in a river.
Winona
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