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<br />long-range salinity problem ~as identified early in the deliberations, <br /> <br /> <br />but the paucity of data cast doubt ~pon the ability co deal effectively <br /> <br />with it until more data were collected and evaluated. The seven <br /> <br />states have advocated and supported efforts to improve the data base <br /> <br />as quickly as possible. <br />During a series of meetings of the Conferees held in 1966 and 1967, <br /> <br />a framework known as "Guidelines for Formulating Water Quality <br /> <br />Standards for the Interstate lliaters, of the Colorado System" <br />was developed. These guidelines were adopted by the State Conferees and <br />subsequently incorporated individually by each state as part of its <br />':i!'lter quality standards. The "Gllidelines" contained muneric criteria <br />for many parameters other than salinity. The "Guidelines" adopt.ed. .J1 <br />~~a+es J - 13, 1967, are printed in full in the Appendix 9. <br />the __ v on anuary <br /> <br />Those guidelines say in part: <br /> <br />":;::1 order to develop IJracticab1e and reasonable <br />quality standards for interstate ',:,",~"'l'S in the Colorado <br />Ri'rer System, f".1ll consideration must be given to the <br />numerous factors and variables connected with the control, <br />develcpmen~, utilization, conse~lation, and protection <br />of the Sys~em's water resources. I~ is evident that <br />future development and utilization of 1~he System's water <br />resources for expansion of irrigated agriculture, increases <br />in population, and industrial gro\~h will be accompanied <br />by progressive increases in cons.umptive losses of \'iater <br />and attendant increases in concentration of dissolved <br />solids. <br /> <br />"The states served by the Colorado River System <br />recognize ,that answers to important questions regarding <br />total dissolved solids, chlorides, sulfates and sodium <br />aI'S lacking or are based on factors that are not yet <br />well-defined. In respect of this recognition the states <br />agree that pending the development of acceptable answers <br />to enable the setting of criteria for total dissolved <br />solids, chlorides, sulfates and sodium for the Colorado <br />~iver System, such criteria should be stated in qualita- <br />tive terms. At the same time it is agreed that all <br />identifiable sources of \;ater pollution will be managed <br />and controlled to the maximw~ degree practicable 'Nith available <br />technology in order to provide water quality suitable for <br />present and potential f~ture uses of the System's inter- <br />state \'iaters." <br /> <br />-/+- <br />