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<br />r" tnis Chapt.er the prOJE:ct8G qual i t.l of SurfdC'-' ..ater in the <br /> <br />~ Upper Colurado River Basin Study reaChes assuciated ...it.h a mea,um <br />Q <br />~ level of energl-resource devel:.Jpment. but ..itnout the e,nergcnc; 8nerc;'1 <br />w::-. <br /> <br />t.echnologi~s (EET) in the year 2000 is described ana comparea..ith <br /> <br />the exist.ing (1975) conditions. <br /> <br />The tnree pr i mar y water-qua 1 i ty <br /> <br />variables investigated are sediment load, dissolved-solids <br /> <br />concentration, and the concentration of carbonaceous biochemical <br /> <br />oxygen demand. <br /> <br />These constituents will oe affected t.o differing <br /> <br />degrees Dy the various changes that are expected to occur in lOne <br /> <br />~pper Colorado Rivar Basin between 1975 to 2000. <br /> <br />AS such, they <br /> <br />are indicative of the anticipated ..ater-qual ity Changes. <br /> <br />water quality will De affected oy many different activities <br /> <br />related directly and indirectly to lOne development of coal resources. <br /> <br />In order to simplify lOne analysis somewhat, the various activities <br /> <br />were grouped into three primary categories, agriculture, population <br /> <br />srowth, and the use of coal. <br /> <br />Estimates of lOne areas of adaitlonal <br /> <br />lana to be irrigated in each study reach are listed in appenai^ E. <br /> <br />~~~ <br />.. .' ~\\:.,~) <br />~ntolo\ <br /> <br />The projected population levels used in tnis analysis ara shown in <br /> <br />table L. <br /> <br />The additional annual consumptive uses of ..ater are listed <br /> <br />by category of use in appendix C. <br /> <br />9 <br />