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Water Portal / Rainwater Harvesting / Groundwater recharge / Wells, shafts, and boreholes

386 bytes added, 21:39, 25 April 2012
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|heading1= Drought
|text1='''Effects of drought''': Water levels reduce in wells & boreholes that are being recharged. <br>'''Underlying causes of effects''': Less recharge. <br> '''To increase resiliency of WASH system''': coming soon...
|heading2=Drought effects on cement|heading2text2='''Effects of drought''': Badly made concrete and cracked linings (e.g. in tanks). <br>'''Underlying causes of effects''': Less water used for curing; Impure water used for mixing. <br>'''To increase resiliency of WASH system''': Ensure adequate mixing, ratios, purity of ingredients; Minimize water content in mixture; Ensure adequate curing.|heading3= Floods|text2text3= Shallow wells in areas with a high water table are more prone to contamination from flooding than deep boreholes. Wells near rivers can be contaminated and filled with sand during flash floods.
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