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<br />l\) <br />~ <br />-...l <br />-...l <br /> <br />C. <br /> <br />Water Quality Effects <br /> <br />. Wastewaters from synthetic fuels development will be minimal. <br /> <br />These will probably be disposed of through evaporation with no impact on <br /> <br />surface waters. <br /> <br />. Depletions of surface water by consumptive use of synthetic <br /> <br />fuels may actually lower the concentrations of dissolved solids in sur- <br /> <br />face waters in the Upper Basin since they will be removed during diver- <br /> <br />sian and retained in evaporation ponds. However, the Lower Basin salinity <br /> <br />problems will be somewhat increased by the combined Upper and Lower Basin <br /> <br />depletions. <br /> <br />D. Environmental Effects <br /> <br />. One important environmental concern associated with synfuels <br /> <br />water use is the potential adverse effects on habitats of two endangered <br /> <br />fish species, the Colorado Squawfish and the Humpback Chub. <br /> <br />. Other environmental effects appear limited to local or site- <br /> <br />specific situations involving reservoir development and diversion facil- <br /> <br />ities, which would require site-specific analyses. <br /> <br />E. Economic and Social Effects <br /> <br />. A synthetic fuels production of nearly 3 million barrels per day <br /> <br />would reduce hydroelectric power revenues by $12 to $13 million annually. <br /> <br />1-5 <br />