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<br /> <br /> ...c:...... <br />. 1- <br /> en <br /> c.,. <br />. <br /> <br />,;0. <br /> <br />. <br /> <br />. <br /> <br />.C TECHNICAL REPORT DATA <br /> (Please read fRW'Uctions on the re}'ene before completing) <br />1. RE.POAT NO. 12. 3. RECIpiENT'S ACCESSION'NO. <br />con_OM IO_A?_077 non OOM~+ [333 IJbl~C~ 3 <br />4. TI.L::. .~ND SUBTITLE 5. REPORT DATE <br />OPTIMIZING SALINI7Y CONTROL STRATEGIES FOR THE UPPER .1"~-;;' ,no~ <br />COLORADO RIVER BASIN 6. peRFQ-RMI"NG QRGANIZATION CODE <br />7. ~UTHOA(SI s. peR.FORMING ORGAN,IZATION REPORT NO. <br />Robert G. Evans, Wynn R. Walker ,Gaylord V. Skogerboe <br />'iI. peRFORMING ORGANIZATION NAMi AND ADDRESS 10. PROGRAM EL.eMENT NO. <br />Department of Agricultural and Chemical Engineering C34B1B (lBB770) <br />Colorado State University 11. CuN I FlACTJGRANT NO. <br />Fort Collins, Colorado 80523 Grant No. R-806l48 <br />12, SPONSORING AGENCY NAME AND ADDRESS 13. TYPE OF REPORT AND PERIGO coveRED <br />Robert S. Kerr Environmental Research Laboratory Final . <br />Office of Research and Development 14. SPQNSORIN';'AG'ENCY coDe <br />U.S. Environmental Protection Agency F:PA/600/l5 <br />Ada, Oklahoma 74820 .. .' '. . .. . .... I'> <br />l,S.,SUP1"LEMe:NTARY NOTIiS <br />16, ABSTRACT <br />A simple multi-level nonlinear optimization procedure was utilized to fo=late . <br />"he most cost-effective array of salinity control strategies for the Upper Colorado '. <br />tdver Basin. The incremental cost-effectiveness methodology qualitatively indicates . <br />he location and general type of alternatives to be implemented in "l'F""t-costbasin.-:. <br />~ide salinity control program. The results also qualitativelyindicatedc the anticipate <br />alt load reduction and expected annual costs of each salinity reduction increase for <br />~ny preselected level of control. The analysis was limited to p~ojects desig~ted in <br />bL 93-320. Costs and salinity contributions associated with various alternatives we~e <br />~enerated using January, 1980 estimated conditions. Marginal cost analysis based on <br />~urrene damage estimates indicate that the optimal cost-effective salinity control <br />brogram in the Upper Basin would cost about $30 million annually and ~emove about 1.2 <br />~illion mega grams of salt per year. <br /> ." '. <br />17. KEY WORDS AND DOCUMENT ANALYSIS . <br />a. DeSCRIPTORS b.-IOENTrFIEiRSJOPEN 6.NQRO TERMS c. ceSATI Fieid/Group <br /> . <br />I1"rigation, Salinity, Water Quali ty , Agricultural pollution, 43F, 48B, '6'Sli, . <br />Irrigation Efficiency, Cost-Effective- Colorado River Basin, 98C <br />ness Irrigation return flows, . <br /> Nonpoint sQurces,. <br /> . Salinity control <br />1.a. OlSTR1SUTlON STATEMENT '19. SECURITY CLASS {Thl.S Report} 12"-. I'JC. OF ?A<.OES . <br /> Unclassified 2': . ." <br />RELEASE TO PUBLIC 20. SECUA'lTV Ct.ASS (This PUl1f:) 122. PAICS . <br /> Unclassified <br /> <br />EPA Form 2220.1 (9.73) <br /> <br />~ <br />