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<br />.-'::- <br /> <br />OJ <br />0') <br />0') <br />.... <br />c <br />c <br /> <br />TECHNICAL POSSIBILITIES FOR MINIMIZING <br />SALINIlY PROBLEMS <br />IN 'llIE COlDRADO RIVER BASIN <br /> <br />A. <br /> <br />Measures For Reducin~ Salt Load <br /> <br />1. Control of Natural Sources <br />(a) Suppression or diversion of mineral springs and other point <br />sources. <br />(b) Minimizing contribution from diffuse sources (natural runoff, <br />salt domes and anticlines). <br /> <br />2. Control of Municipal and Industrial Sources <br />(a) Lagooning andcevaporation. <br />(b) Injection into deep geological formations. <br />(c) Discharge into enclosed 'natural basins. <br /> <br />3. Reduction of Salt Loads from Irrigated Lands <br />(a) Rejection of areas of saline soils in new developments. <br />(b) Improved irrigation practices. <br />(c) Drainage of saline soils. <br />(d) Lined or covered water conveyance systems. <br />(e) Bypassing of drainage waters. <br /> <br />4. Removal of Salt from Water at or above Point Use (Desalinization). <br /> <br />B. Measures For Increasin~ Water Supply <br /> <br />1. Water Conservation Measures <br />(a) Increasing watershed runoff. <br />(b) Reduction of evaporation losses. <br />(c) Control of phreatophytes. <br />(d) Reduction of non-beneficial evapotranspiration. <br />(e) Improved irrigation efficiencies (reducing consumptive use <br />requirement). <br /> <br />2. Regulation or Modification of Irrigation and Other Activities <br />with High Consumptive Use. <br /> <br />3. Weather Modification to Increase Water Supply in Basin. <br /> <br />4. Importation of Good Water from Another River Basin. <br /> <br />1~~1.~ <br />ftl6~'.J~ "'''J\~\ON <br />rt.~~. "P.r. Wi,iO <br />'''.1 ~... <br />$'lJ6.u.;<; <br />