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<br />on08i"J <br /> <br />Federal Register I Vol. 46. No. 128 I Monday, July 6, 1981 I Notices <br /> <br />35065 <br /> <br />Enhanced snowfall from weather <br />modlfication would be advantageous to <br />skiers. snow mobilers. and supporting <br />busineBSes. However,increased <br />snowfall raises costs for snow removal <br />and avalanche control Increases the <br />snow damage 10 orchards. reduces <br />grazing potential for Ii~'es(ock and <br />wildlife in high pulures, and raises <br />cosls for mining and Umber operations. <br />Because of these and other Institutional <br />f..clora, major weather modification is <br />not likely In the near future. <br />5. MolY:! Efficient Water Use. The <br />demand for the export of Regional water <br />outside the Upper Colorado River &sin <br />could be decreased thorugh improved <br />municipal waler use emciency. Exports <br />fot municipal use (15 percent of <br /> <br />projected depletions by convenlional <br />uses) are of grealer inlerest for the year <br />2000 than In-basin municipal and <br />Industrial use (2 percent of projected <br />depletions). <br />Techniques 10 reduce per capita use of <br />municipal water Include voluntary water <br />conservation, education programs. <br />regulations, metering. differenti;:J1 <br />pricing, and wastewater recycling. <br />According 10 recent studies. reductions <br />of 30 to 40 percent may be possible <br />without recycling. Conservation by one. <br />half this amount (t5 to 20 percer:tJ could <br />reduce the need for exporls from the <br />Basin by 100,000 to 135.000 acre-feet <br />annually. At this time. however, <br />successful implementation of <br />colUiervation meilsurCll cannot be <br /> <br />depended on as a mealUl to increue <br />water supply availability. Further. such <br />measures would nol affect supplies in <br />the While Ri\'er de\'elopment area. <br />which has the greatest water <br />requirement!! for l>ynfuels. <br /> <br />B. Water A milability in the Reaion <br /> <br />Detenninations of waler availability <br />for synthetic fuels development in the <br />year 2000 are summarized below for <br />each synfuela development area and for <br />the overall Region (Figure 4). Hydrologic <br />aspects and possible institutional <br />considerations of water availability are <br />discussed for each area. <br /> <br />SlU.lHO COOf ....._1_.. <br />