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<br />. <br /> <br /> Table VII-3. Diffuse source control projects. <br />. ~ <br />0 <br /> Coil Salt ,vater EffeQt at <br /> --J Flol-1 Salt removal loss Imperial Dam <br /> ac.rt. tons tons ae.n. pprn <br /> Price River 74,000 21,0,000 100,000 2.5,000 .;; 8 <br />. <br /> San Rafael River 95,000 190,000 90,000 )0,000 - 7 <br /> Dirty Devil River 72,000 200,000 80,0001:-/ NA - 7 <br /> HcElmo Creek )1,000 115,000 . 40,0001/ UA - 3 <br />. Big Sandy River )0,000 180,000 80,0001/- lJA - 7 <br /> Totals 302,000 925, 000 390,000 -32 <br /> <br />. <br /> <br />would be extensive and complex. <br /> <br />The goal of the scheduling and farm management program would <br /> <br />. <br /> <br />be to reduce salt loading from irrigation return flows. This would be <br /> <br />accomplished by minimizing the quantity of water that enters the ground- <br /> <br />water regime where saline formations are contacted. <br /> <br />. <br /> <br />Irrigation efficiency may be increased by (I) proper and timely <br /> <br />irrigation applications without more labor, (2) additional labor inputs, <br /> <br />. <br /> <br />and (3) improved on-farm systems and total distribution systems <br /> <br />through capital investment. Improved scheduling and management of <br /> <br />farm irrigation would require a substantial increase in informational <br /> <br />. <br /> <br />and operational programs as well. <br /> <br />A major obstacle to this program is the institutional structure of <br /> <br />Western water laws. "Water savings" may diminish water rights if <br /> <br />. <br /> <br />less water is diverted through time. Increased irrigation efficiency <br /> <br />L9 <br /> <br />. <br /> <br />,- <br />, <br />