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<br />~ <br />0019u;) <br /> <br />Annual depletions for municipal and industrial water use were redistributed by month using monthly <br />distribution factors derived from actual monthly water delivery records supplied by the cities of <br />Durango, CO. and Farmington, NM. Monthly distribution factors derived for Durango, CO were <br />used to distribute municipal and industrial depletions for the state of Colorado. Farmington, NM <br />distribution factor were used to distribute the states of New Mexico and Utah annual municipal and <br />industrial depletions. Distributions used are shown in Table 2-6. <br /> <br />Thermal Power Depletions <br /> <br />There are two thermal power plants in operation within the San Juan River Basin above Bluff, Utah. <br />These are the Four Comers Power Plant and the San Juan Generating Station. Both are located in the <br />State of New Mexico near the town of Shiprock. Each diverts water from the San Juan River to <br />small cooling ponds where water pumped eventually evaporates from the ponds through the cooling <br />process with minimal or no returns back to the San Juan River. <br /> <br />Estimates of thermal power depletions for the State of New Mexico were obtained from the New <br />Mexico State Engineers Office report on "Water Use by Categories in New Mexico Counties and <br />River Basin, and Irrigate Acreage" report for 1975, 1980, 1985 and 1990 published once every five- <br />years. Data from each five-year report was used to represent the preceding five years. Staff <br />members from each power plant supplied estimates of annual depletions for the years 1991 to 1993. <br /> <br />Table 2-6. Municipal and Industrial Monthly Distribution of Annual Depletion. <br /> <br />Month Duranoo CO, Fanninaton. NM. <br /> 70-93 70-75 76-80 81-85 86-93 <br />Jan 0.076 0,06 0.06 0,06 0,06 <br />Feb 0.082 0.05 0.05 0.05 0,05 <br />Mar 0,083 0.06 0.06 0.06 0.06 <br />Apr 0.079 0.07 0.07 0,08 0.07 <br />May 0.082 0.10 0.10 0,10 0,10 <br />Jun 0.085 0.13 0.12 0,14 0.12 <br />Jul 0.090 0.13 0.13 0.14 0.13 <br />Aug 0.090 0,13 0,12 0,12 0,13 <br />Sep 0,091 0,09 0,08 0,09 0.10 <br />Oct 0.085 0.08 0.08 0.07 0.07 <br />Nov 0,079 0,05 0.07 0.05 0.06 <br />Dec 0.079 0,05 0.05 0.04 0.05 <br /> <br />DRAFT - SJRIP Hydrology Model Documentation <br />June 18, 1999 <br /> <br />26 <br />