Efektivitas Pembangunan Sumur Resapan dalam Pengendalian Limpasan di DAS Pesanggrahan.
Arifjaya, Nana Mulyana
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Flood is one of the problems in Jakarta that occur periodically. This is because diminishing water conservation areas. The high surface run off causing reduced supplies of ground water. Therefore, in anticipation of the ground water reduction,then carried construction of recharge wells. By the construction of the recharging well it will be to minimize the run off of rainfall and store in the ground water. Based on used SCS method that measured on recharging well in Srengseng district, the value of the rate of infiltration recharging well is 109.44 cm/h. from runoff 48.05 mm or 65.26% of rainfall. Constucted of recharging wells 1 m2, and the depth of 2.7 m, it will be absorbed until 96,08% of rainfall. With 2766 mm/year of rainfall and 151 rainy days with build up area 140 m2 in one year will be store 372.06 m3/year of water. So this water can sufficiency of domestic for one family water demand is usually provided by regional water company
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