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<br />1'l!H'J~ <br /> <br />i <br /> <br />(f.::~~ <br /> <br />~$] <br /> <br />" <br /> <br />While power production would be the initial use of the water, it would <br />also be available for irrigation, municipal, and industrial uses, <br />Using the water for irrigation could produce net benefits generally <br />ranging from $6 per acre-foot to $34 per acre-foot depending on <br />type of crops raised, allowance for operational losses and location. <br />If all new water produced were used for irrigation, annual benefits of <br />$9 million to $54 million could be realized. <br /> <br />The average municipal and industrial benefit for water in the Upper <br />Basin and Lower Basin value is about $54 per acre-foot, Benefits <br />possible, if all water were used for M & I purposes, could range up <br />to $80 million annually. <br /> <br /> <br />., <br /> <br />Assuming (1) that ultimately most of the added runoff would be used in <br />the Upper Basin, (2) 50 percent of water would be used for irrigation <br />and 50 percent for municipal and industrial uses, with possible accom- <br />panying power production, and.(3) adjusting for changes in use with <br />time, average integrated benefit .estimates for the increased runoff <br />during the next 50 years are in the range of $20 to $25 million annually, <br />With benefits in this range, the expected benefit-cost ratio for weather <br />modification is on the order of 10 to 1. <br /> <br /> <br />1~~#. <br />-.#l,'" <br /> <br />.' <br /> <br />While enhancement of usable water supply from increased streamflow <br />is the objective of an operational precipitation modification project, <br />other incidental benefits would be realized. Winter recreation is a <br /> <br />29 <br /> <br />~.:<:<:-:~) <br /> <br /> <br /> <br />~.illi;;;"~i~.fl~~,I <br />