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. 001988 Mr. John Barnard -2- June 10, 1958 Diversion amounts for irrigation uses are approximated at 5 acre feet per acre of irrigated land. The attached tables are copiously footnoted, and I hope, therefore, self-explanatory. However, I would specifically invite your atten- tion to the fact that the ultimate stages of the San Juan-Chama Project (125,000 acre feet per year) and the municipal and indus- trial diversion from Navajo Dam (224,000 acre feet per year) as set forth under "other potential uses" are possible alternative devel- opments under U. S. Government filings and are a part of our long- range plans and not contemplated for completion in the near future. As you know New Mexico is currently seeking authorization of only an initial stage of the San Juan-Chama Project for the diversion of an average of 110,000 acre feet per year. Since the Utah Construction Company filings were discussed in con- siderable detail at our meeting on January 30, 1958, and in my letter to Dean Crawford of the same date, I take this opportunity to advise you concerning the present'status of those filings. The Utah Con- struction Company's Notice of Intention No. 2838 has ripened into an application for the diversion of 55,000 acre feet from the San Juan River below the confluence of the Animas River. The estimated depletion of 39,000 acre feet under that application as set forth in the attached table is derived from the application. The Utah Con- struction Company has assigned the balance of 84,000 acre feet per year covered by their Notice of Intention to the Secretary of the Interior for the Secretary's control and use in connection with possi- ble alternative developments mentioned above. Present indications from correspondence on file in this office are that the Utah Construction Company contemplates taking the 55,000 acre feet of water for which it has applied from Navajo Dam when the Navajo Canal is completed. Thus, that 55,000 acre feet would become a part of the 224,000 acre feet available for diversion from Navajo 'Reservoir. Also it is likely that some of the other potential uses listed, for example the Town of Farmington, will draw water from Navajo Reservoir under contract with the Secretary of the Interior. I would also point out that the estimates of possible potential usage under pending applications and notices of intention on file were made by Mr. Phil Mutz, who prepared the ~ttQ.ched tables, with- out regard to the merit of the projects contemplated or the water supply available for those projects. You will note that the total of present uses and all possible poten- tial uses in New Mexico as listed in the two Q.ttQ.ched tables, exceeds '; ;;; . -..__.=;" .~2.",,;,;W:->