75 Water Assessment July 1973: Draft Plan of Study

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16 The baseline assumptions about water use efficiencies (withdrawal consumption and in- stream use) will reflect major departures from those experienced in the past. How the efficiences change will be determined by considering the OBERS assumptions, expected increases in efficiences caused by increasing requirements for limited water availabilities and increased concerns for improving the quality of the water supply. From a water quality point of view, the 1975 Assessment will describe, to the extent possible, current (1975) water quality problems. For future time periods, the assessment will assume that the national goals and policies for water pollution control, as stated in the Water Pollution Control Act Amendments of 1972 (Title I, section 101 (a)), will be met and adhered to. The economic, social, and environmental impact of implementing these goals will be described. The applicable goals and policies are set forth in section 101(a) of the.A.ct, quoted as follows: "Declaration of Goals and Policy" "SEC. 101. (a) The objective of this Act is to restore and maintain the chemical, physical, and biological integrity of the Nation's waters. In order to achieve this objective it is hereby declared that, consistent with the provisions of this Act,- "(1) it is the national goal that the discharge of pollutants into the navigable waters be eliminated by 198 5; "(2) it is the national goal that wherever attain- able, an interim goal of water quality which provides for the protection and propagation of fish, shellfish, and wildlife and provides for recreation in and on the water be achieved by July 1, 1983; "(3) it is the national policy that the discharge of toxic pollutants in toxic amounts be prohibited; "(4) it is the national policy that Federal financial assistance be provided to construct publicly owned waste treatment works;