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<br />fer any period of ten consecutive years. In addition to the Article <br />III(d) obligation, there are other obligations of the Compact, such <br />as the Mexican Water Treaty obligation, which are being met. <br />. t:t ,.- <br />iv~ ( The major Upper Basin reservoirs, Fontenelle plus the Colorado <br />River Storage Project (CRSP) reservoirs, increased in storage by <br />2,178,000 acre-feet while other Upper Basin reservoirs and the trans- <br />oasin diversion reservoirs increased in storage by 304,000 acre-feet, <br />far a net increase of 2,482,000 acre-feet. After adjusting for these <br />reservoir changes and an increase in reservoir bank storage of 260,000 <br />acre-feet, the flow at Lee Ferry would have been 13,709,000 acre-feet, <br />compared to 14,130,000 acre-feet in 1978-79. Table 2 shows the last <br />ten years' flow at Lee Ferry adjusted for storage changes; <br /> <br />TABLE 2 <br /> <br />FLCW AT LEE FERRY ADJUSTED FOR <br />RESERVOIR STORAGE CHANGES <br />1970-71 to 1979-80 <br /> <br />Water Year <br /> <br />Acre-feet <br /> <br />1970-71 <br />1971-72 <br />1972-73 <br />1973-74 <br />1974-75 <br />1975-76 <br />1976-77 <br />1977-78 <br />1978-79 <br />1979-80 <br /> <br />11,703,000 <br />8,677,000 <br />15,946,000 <br />9,487,000 <br />13,292,000 <br />7,642,000 <br />2,037,000 <br />11,362,000 <br />14,130,000 <br />13,709,000 <br /> <br />107,985,000 <br /> <br />10,798,000 <br /> <br />Total <br />10-year average <br /> <br />The Water and Power Resources Service (formerly Bureau of <br />Reclamation) estimates, that if there had been no man-made depletions <br />upstream, the virgin flow of the Colorado River at Lee Ferry would <br />r~ve been about 17,497,000 acre~feet, compared to 17,793,000 acre-feet <br />in 197B-79. Table 3 shows the last ten years' virgin flow at Lee Ferry. <br /> <br />TABLE 3 <br />VIRGIN FLOW AT LEE FERRY <br />1970-71 to 1979-80 <br /> <br />Water Year <br />1970-71 <br />1971-72 <br />1972-73 <br />1973-74 <br /> <br />Acre-feet <br />15,133,000 <br />12,194,000 <br />19,395,000 <br />13,325,000 <br /> <br />-2- <br /> <br />, <br />