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<br />Table 12. Water requirement for energy production. <br /> <br />Acti vity <br /> <br />Water Requirement <br /> <br />Plant Size <br /> <br />W <br />l\') <br />f\.) <br />o <br /> <br />Extraction <br />Underground coal mlnlng <br />Strip coal mining <br />Crude oil <br />Natural 9as <br />Tar sands <br />Oil shale <br /> <br />100,000 bbl/day <br /> <br />344 AF 1'106 tons <br />204 AF /l 06 tons <br />53.1 AF/106 bbls <br />1.67 9allons/MSCF <br />61.38 AF/l06 bbls <br />15,000 AF/yr <br /> <br />Conversion <br />Coal-fired electric generating <br /> <br />Coal gasification <br />Oil refinery <br />Nuclear <br /> <br />12.2 AF/yr MWe <br />9,000 AF /yr <br />43 9a 11 ons/bb 1 <br />22,000 AF/l03 MWe <br /> <br />250 MMcfd <br /> <br />Source: Bruce Bishop and Rangesan Narayanan, "Energy Development Impacts on Agricultural Water Use" in <br />Journal of Irrigation and Drainage Division, ASCE~ (forthcoming). <br /> <br />I <br />J <br />I <br /> <br />22 <br />