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<br />w <br />00 <br />en <br />oo.J <br /> <br />. <br /> <br />The greatest municipal (domestic) water depletion in the Upper <br /> <br />I <br />I <br />. <br /> <br />Basin occurs in Basins l40l, l403, 1405, and l407 while an extremely <br /> <br />small municipal (domestic) depletion is present in Basin 1408 (Table <br /> <br />III~5). Basin l405 has a significantly greater municipal (domestic) de- <br /> <br />. <br /> <br />pletion than do any of the other basins. <br /> <br />lnrustrial and manufacturing water depletion is relatively small in <br /> <br />the Upper Basin. Consumptive use by the coal industry in Basin l403 is <br /> <br />. <br /> <br />the major source of water depletion. lt is anticipated that futu.re growth <br /> <br />of the coal industry in the Upper Basin will stimulate even greater deple- <br /> <br />tions. The mining industry in general throughout the Upper Basin <br /> <br />. <br /> <br />creates a significant water depletion, especially in Basins l403, l405, <br /> <br />and l406. The value in Table III- 5 represents a tremendous increas.e <br /> <br />. <br /> <br />over 1965 in water depletion by mining in Basin l40l for 1975. Otherwise <br /> <br />the comparative water depletion has remained approximately unchanged. <br /> <br />Evaluation of Table IlI- 6 indicates that agriculture is the predomi- <br /> <br />. <br /> <br />nent cause of water depletion in the Lower Colorado Basin. Major agri- <br /> <br />cultural water deplet,ions occur in Basins l504 and l505. These depletions <br /> <br />. <br /> <br />are nearly ten times the depletions shown in Table III- 5 for the Upper <br /> <br />Basin. However, a direct comparison between Tables III- 5 and III- 6 <br /> <br />may lead to some error, since the values for tables originated from <br /> <br />. <br /> <br />different sources. Municipal (domestic) water depletion was significant <br /> <br />in the Lower Basin. Basin l503 had the greatest municipal (domestic) <br /> <br />water depletion. Major industrial and manufacturing water depletions <br /> <br />. <br /> <br />48 <br /> <br />. <br />