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<br />o <br />'..0 <br />L"J <br /> <br />,--, <br />-~ <br />,~.. ') <br /> <br />,-.-., <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />CHAPTER II <br /> <br />GRAND VALLEY RIVER BUDGET <br /> <br />Municipal Imports <br /> <br />Municipal imports are composed of Grand Junction, Clifton, and Ute Water <br /> <br />Conservancy District imports, The Grand Junction imports to the budget were <br /> <br />the imports from Kannah Creek only and were determined by subtracting the <br /> <br />Gunnison River Diversion (which began in 1974) from the total water <br /> <br />processed. The records of total water processed were available for 1958 <br /> <br />through 1975 on an annual basis. Total annual processed water was correlated <br /> <br />to population based on the period 1958 through 1978 and this regression was <br /> <br />used to estimate the pre-1958 annual processed water. The city also had <br /> <br />monthly records of IIILInicipal consumptive use for 1970 though 1979. From <br /> <br />these records, the average monthly distribution of consumptive use was calcu- <br /> <br />lated and in turn used to distribute the annual processed water over the <br /> <br />months for the period prior to 1976. The town of Clifton imported water from <br /> <br />Kannah Creek through Grand Junction's system beginning in 1968. Their <br /> <br />monthly records were available with the exception of the months of January <br /> <br />through November 1977 which were interpolated. Ute Water Conservancy <br /> <br />District began service in 1965 and their records were obtained through 1979. <br /> <br />The 1980 Ute Water imports were estimated by extrapolating the average annual <br /> <br />increase from 1975 to 1979. The quality of all municipal imports was esti- <br /> <br />mated to be a constant 75 mg/L total dissolved solids based on the flow <br /> <br />weighted mean TDS of Kannah Creek near Grand Junction's Di'lersion. <br /> <br />II-9 <br />