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<br />, <br />~ <br />, <br />I <br /> <br /> <br />. <br /> <br />Salinity CondItions <br /> <br />~) <br />I,l; <br /><::> <br /> <br />~:'(i<;ting uses are presumed to be curtailed when the Central Arizona Project becomes fully <br />operational. In Cailfomia. the Se\'en Pany Agreemem (August 18. 1931) also serves as a basis for <br />estimates of future use within that State. <br /> <br />.- <br /> <br />Sothing in this repon is intended to interpret the pro....isions of the Colorado River Compact <br />(-1.5 StaL 1057), the Upper Colorado River Basin Compact t63 Stat. )1). the Water Treaty of 19-W <br />with the United Mex.ican Slates (Treaty Series 99~. 59 Stat. 1119). the decree entered by the <br />Supreme Coun of the United States in An:ona v. California et at. (376 U.S. 3-l0J. the Boulder <br />Canyon Project Act (.H Stal. 1057), the Boulder Canyon Project Adjustment Act (5~ Slat. 77~; <br />.n U.S C. 618al. the Colorado River Storage Project ACI170 Stal. 105; 43 U.S e. 6~0). or the <br />Colorado Rwer Basin Projecl Act (82 Stat. 885; 43 U.s.e. 1501). <br /> <br />Salinity Control <br /> <br />E'dstlOg salinity conlfol measures will prevent well over a half-million (On of salt per year from <br />real.:hlOg the river. According (0 the 1996 Review. Water Qlialiry Standards for Salinity. Colorado <br />REier Sysrem. dated June 1996 (1996 Triennial Re'..iew) salinity control units will need to prevent <br />nearly 1.5 million tons of salt per year from entering the Colorado River. To achieve this goal. a <br />Varlely of salinity control methods are being investigated and constructed. Saline springs and seeps <br />may be collected for disposal by evaporalion. industrial use. or deep-well injeclion Other methods <br />include both onfarm and off-farm delivery system and irrigation improvements which reduce the <br />loss of \.loater and reduce salt pickup by improving irrigation practices and by lining canals. laterals. <br />and ditches. See chapter 4 for more details on Ihe Salinity Control Program. <br /> <br />69 <br /> <br />