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<br />INVESTIGATION SCHEDULE <br />COLORADO RIVER WATER QUALITY IMPROVEMENT PROGRAM <br /> <br />PROGRAM ITEM <br />POINT SOURCE DIVISION <br />LaVerkin Springs Unit <br />Paradox Valley Unit <br />Las Vegas Wash Unit <br />Crystal Geyser Unit <br />Glenwood-Dotsero Springs Unit <br />Littlefield Springs Unit <br />Blue Springs Unit <br /> <br />FISCAL YEAR <br />72 73 74 75 76 77 78 79 80 <br /> <br />'// ,/// 'l: <br />0-W -<< <br />(/,rm~ <br /> <br />/"/// "/// <br />'i'////'l/...<<~ 1'///1'//..-0 ~~ <br />~t:0'/ ij//,: <br /> <br />'i'~ <br /> <br />DIFFUSE SOURCE DIVISION <br />Big Sandy River <br />Price River <br />San Rafael River <br />Dirty Devil River <br />McElmo Creek <br /> <br />'/;% ~ 'l; <br />'/: ;% <br />'/ 'i '/: <br /> <br />~'/'i'i <br />'/: '/ 'l; '/ <br /> <br />'/ '/. <br /> <br />'/ <br /> <br />'1'1'1' <br /> <br />IRRIGATION MANAGEMENT SERVICES <br />DIVISION <br /> <br />Grand Valley Basin Unit <br />Palo Verde Irrigation District Unit <br />Colo. River Indian Reservation Unit <br />Uinta Basin Unit <br />Lower Gunnison Basin Unit <br /> <br />,/,'1"/ <br />~'/ <br />// <br /> <br />;% && <br />/, 'l <br />~ <br /> <br />& * <br />'l; * <br /> <br />* <br />././ * <br /> <br />* <br /> <br />WATER SYSTEM IMPROVEMENT <br />DIVISION <br />Grand Valley Basin Unit <br />Colo. River Indian Reservation Unit <br />Uinta Basin Unit <br />Lower Gunnison Basin Unit <br />Palo Verde Irrigation District Unit <br /> <br />~ <br />'/ <br /> <br />~ 'i <br />~ '/ 'l: <br />7, '} 'l, j//h <br />~ //~'i <br />V/ <br /> <br />'/.'1'. <br /> <br />UTiliZATION OF RETURN FLOW <br />DIVISION <br />San Juan Collector System Unit <br />Grand Valley Collector System Unit <br />Palo Verde Powerplant Cool ing Unit <br /> <br />V///: '" / // <br />W~ <br />V /..-0 V /..-0-1/"'/..-0 r~/, "/ // <br /> <br />SUPPORT STUDIES <br />Vegetation Management <br />Systems Operations Studies <br />Irrigation Efficiency Studies <br />Sal inity Inflow Studies <br />Mathematical Model of the Colo. River <br />Economic Evaluation of Water Qual ity <br />Institutional and Legal Analysis <br />Desal inization Process Systems <br /> <br />'l"/~ W~ '@ <br /> <br />"/ <br /> <br />1'/ 1/ W-<< V~ W-<< V///I'" / / /, <br />"/ ~ <br />-0 1'/ <br />~ //: ~ <br />// <br /> <br />"/ V~W-<<'i'~ <br /> <br />* WATER USER ORGANIZATIONS TAKE OVER PROGRAM OPERATION <br /> <br />Figure 2 <br /> <br />24 <br />