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<br />. <br /> <br />. <br /> <br />. <br /> <br />..... <br />o <br />Ul <br />r,;n <br /> <br />HISTORY OF WATER RESOURCE DEVELOPMENT (continued) <br /> <br />The Colorado River Basin Salinity Control Forum prepared a report <br />entitled, Proposed Water Quality Standards for Salinity Including Numeric <br />Criteria and Plan of Implementation for Salinity Control, Colorado River <br />System, in June of 1975. The Forum he Id pub lie meet ings in Las Vegas, <br />Nevada, on August 4, 1975, and Grand Junction, Colorado, on August 7, 1975, <br />and received written comments through August B, 1975, on the proposal. <br />Based on the comments received, the Forum developed a supplement including <br />modifications to the report. This supplement is dated August 26, 1975. <br /> <br />Based upon the Forum's proposal and supplement thereto, each of the <br />Colorado River Basin States held formal public hearings in accordance with <br />their individual authority and public participation requirements of Public <br />Law 92-500. As a result of the public hearings, the States adopted the <br />Proposed Water Quality Standards for Salinity Including Numeric Criteria <br />and Plan of Implementation for Salinity Control, Colorado River System, <br />June 1975, and the Supplement thereto dated August 26, 1975. Together <br />these documents would constitute the water quality standards as required by <br />Section 303 of Public Law 92-500 and by the regulation promulgated in the <br />Federal Register of December 18, 1974. <br /> <br />The EPA pub Ii shed a Not ice of Avai labil i ty for Pub lie Review and <br />Comment for the proposed Standards in the Federal Register of March 31, <br />1976. A 60-day period following publication was allowed for comments. The <br />State government administrators in all seven states were notified by letter <br />from EPA during the period November 8 to November 23 that the standards <br />had been formally adopted. <br /> <br />The following is a summary of the adopted standards: <br /> <br />Summary <br /> <br />The Federal Water Pollution Control Act Amendments of 1972, Public Law <br />92-500, in Section 303 require the adoption of water quality stsndards <br />applicable to interstate wsters. Pursuant to that requirement, the EPA on <br />December IB, 1974, issued a regulation requiring the States of the Colorado <br />River Basin to adopt water quality standards for salinity, consisting <br />of numeric criteria and plan of implementation for salinity control. The <br />standards were to be suhmitted for approval to the EPA on or before <br />October l8, 1975. <br /> <br />This report, prepared by the seven-State Colorsdo River Basin Salinity <br />Control Forum, presents in a single document the water quality standards <br />for salinity submitted for adoption by each of the States in the Basin. <br />The standards are to be reviewed at 3-year intervals and modified, if <br />appropriate. <br /> <br />20 <br />