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<br />o <br />o <br />(-:-0 <br />c:n <br />en <br />'"'l <br /> <br />It Is estimated that municipal water use in the basin has doubled during the span of the 33- <br /> <br /> <br />year study period, based on analysis of recorded diversions. "Municipal water use" in this analysis <br /> <br /> <br />Includes, as a minor component, some Industrial water uses that are associated with mining. Table <br /> <br /> <br />3.3 indicates the estimated average annual municipal demands by five-year increments during the <br /> <br /> <br />study period. A total aggregate demand of 38,700 af per year was operated in the Existing-Level Use <br /> <br /> <br />Scenario for all years. Consumptive depletions of diversions for municipal uses varied from 20 to <br /> <br />100 percent depending on the location and nature of the demand. <br /> <br />TABLE 3.3 <br /> <br />ESTIMATED ANNUAL IN-BASIN 1) <br />MUNICIPAL DEMANDS <br /> <br />UPPER COLORADO RIVER BASIN <br /> <br /> DEMANDS <br />PERIOD {1000 aflyr} <br />1951 . 1955 18.2 <br />1956 - 1960 18.2 <br />1961.1965 21.3 <br />1966 -1970 28.2 <br />1971-1975 31.4 <br />1976-1980 34.5 <br />1981 - 1983 38.7 <br />Existing Level 38.7 <br /> <br />1) Values are estimated based on available diversion records maintained by the State <br />Engineer's Office. <br /> <br />3-10 <br />