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<br />001861 <br /> <br />. <br /> <br />SAN TUAN-CHAMA PROTECT <br /> <br />INITIAL STAGE WATER SUPPLY STUDY <br /> <br />The initial stage of the San Juan-Chama project will divert ..n <br /> <br />annual average of 110,000 acre-feet of water from the San Juan River <br /> <br />Basin to the Rio Grande Basin. The collection system will divert from <br /> <br />the Rio Blanco, Little Navajo River and Navajo River tributaries of the <br /> <br />San Juan River. <br /> <br />The State of New Mexico in a letter of December 12, 1956, <br /> <br />requested the Secretary of the Interior to seek Congressional approval <br /> <br />for an overall total proj ect with an average annual diversion of 235, 000 <br /> <br />acre-feet, but with authorization by the Congress for construction of <br /> <br />. the initial stage having cm an\'lual average divsrsion of 110,000 acre-feet. <br /> <br />The runoff period 19112-57 was chosen because it reflects tbe <br /> <br />severe watEW shol1ll~e!l of th, mi1d~e 1~?O;~Slrd allows all reservoi,' <br />,<\ ~ ,~ , '- -~' , <br />oper~t~on~ ~Opjil~il\ with a f~ll w,t,ar liJ.\PPIY ,~pij)e o~ ~h$ latest <br />., ".' ",', ' "':;- ',:',' '. <br /> <br />~urea'f 9f Rec,l~matiori repo'1s 01} the San .ru~'1 }UV~r Qasi~~lsO utilized <br />"', .. -~ .". <br />this period' of stream flow . <br /> <br />The reqUired by-passes and diversion dam locations are assumed <br /> <br />to be the same as those i!n the Bureau of Reclamation San J~an-Chama <br /> <br />S'-':~', ,,_ . "~'~':~ ;. _.. jJ, <br /> <br />Report, Appendix D, Volume II, 1955';'"' <br /> <br />~': Jf <br /> <br />. <br /> <br />- 2- <br />