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Natural rock catchment and Open water reservoir

432 bytes added, 22:14, 25 April 2012
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==Suitable conditions==
{{Climate_change|heading1=Drought|text1= '''Effects of drought''': Tend to dry up quickly. <br> '''Underlying causes of effects''': Lack of rainfall. <br>'''To increase resiliency of WASH system''': Site on rock that is bare and free of vegetation/soil with no fractures, so whatever amount of rain ''does'' fall, it will have a greater chance of being collected.
|heading2=Drought effects on cement
|text2='''Effects of drought''': Badly made concrete or cracked linings (e.g. in tanks, dams, waterways, wells, and other structures). <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.
}}
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