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<br />Annual Report <br /> <br />Operation of the <br />Colorado River Basin 1976 <br />Projected Operations 1977 <br /> <br />u.s. Department of tl1e Interior <br />Thomas S. Kleppe, Secretary <br /> <br />Bureau of Reclamation <br />Gilbert G. Stamm, Commissioner <br /> <br />JanlJary 1977 <br /> <br />Table of <br />Contents <br /> <br />Introduction ________________________________________________ _"_____n_____n_______________________ ii <br />Authority for Report nm____________________n___n_n_ _______________________________________ ii <br />Actual Operations under Criteria-Water Year 1976 m__m___m__m~ 1 <br />Upper Basin Reservoirs ___m____mm_m__mm~_~______mmnm~m__mm~__ 2 <br />Lower Basin Reservoirs ~~__m_____mmmmnnm__n m~_______~~_______m__ 14 <br />River Regulations ~~ m.__m~m~~~~._______nm____m~mn__________~_.____~~n___mmn 20 <br />Beneficial Consumptive Uses __mm_nnmmmn_____n n.~~mm__~~_m__m___ 21 <br />Upper Basin Uses m___n__nnm___m____ m__m__mmmn____n__nm 21 <br />Lower Basin Uses and Losses __m~mm___________m_______mmmn___nmmn 21 <br />Water Quality Control ______.nm__mm__ ____mmn______________mn__mm____m__ 22 <br />Water Quality Operations during Water Year 1976 __ mm~___mm~ 22 <br />Enhancement of Fish and Wildlife m__m_ ____.~m~__________nm__ ~____ 23 <br />Upper Basin ~_m~m_n_~_______mmn_~___n n~mmn___~n__m_______ __mm___mn 23 <br />Lower Basin nn__mn~__~_m_________~~____mmmmm_mmmn ~___mnn__m____n 23 <br />Preservation of Environment mm___m_m_n___~___nm__ __ ____m__m~ 24 <br />Projected Plan of Operation under Criteria for <br />Current Year _~m._________~m.~~n__m~_~____mm__~~___:___m_m__n_n______mn___~______ 26 <br />Determination of "602(a) Storage" ___mnm_mm__nm __~~mn__________m_ 26 <br />Lower Basin Requirements mm__m~m~m~~ ________m_ nnnm______ 27 <br />Plan of Operation-Water Year 1977 . .~~m.____~__________n 29 <br />Upper Basin Reservoirs mm______nmmmmmmmnnmmm___m______n__mm 30 <br />Lower Basin Reservoirs _____mm__m_m__m m____m____ __~m~~mn______m_____ 31 <br /> <br />(Prepared pursuant to the Colorado River Basin <br />Project Act of 1968, Public Law 90-537) <br />