What percentage of water from rain goes into the ground to be used for drinking water?



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    In areas with porous, permeable soil, as much as 40% to 50% of rainfall can seep into the water table to eventually be used for drinking water.  In areas with thick, unpermeable soil, the ground only absorbs between 5% – 20% of rain water.  What isn’t absorbed usually ends up evaporating back up to the clouds or becoming runoff into a stream, river, or ocean. 

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