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<br />(4) Not Identified <br /> <br />The remnining block of Navajo Reservoir vl<lter sllpply will <br />be marketed by the United States and will be allocated in consultation with <br />the New Mexico Interstate Stream Commission. <br /> <br />....... <br />c.o <br />00 <br />CD <br /> <br />4. <br /> <br />Colorado <br /> <br />a. Miscellaneous Additional Depletions <br /> <br />Values used for 1987 represent additional depletions that have <br />been assumed to develop since the Comprehensive Framework Study (1965 level) <br />estimates were prepared. They have not been specifically identified but are <br />included to bring the Bureau of Reclamation estimates of present uses more in <br />line with State estimates. The 1987 values of "Miscellaneous Additional <br />Depletions" may be either real additions or differences resulting from new <br />depletion accounting procedures. Colorado depletion values through the year <br />2010 were provided by the Colorado Vater Conservation Board, the Colorado <br />River Vater Conservation District, or were estimated by Reclamation staff. <br /> <br />b. Denver Expansion <br /> <br />Vater for expanded Denver needs since 1965 has been met by <br />increased diversions through Moffat and Roberts Tunnels. The average annual <br />recorded diversion through both tunnels for the period 1978-82 was 151,000 <br />acre-feet. The combined 1965 normalized diversion was 93,000 acre-feet, <br />yielding an increase of 58,000 acre-feet. Net diversions by Denver increased <br />therefore by 54,000 acre-feet. Projections through the year 2010 were <br />provided by the Colorado Vater Conservation Board. <br /> <br />. c. Homestake Expansion <br /> <br />Homestake I was projected to deplete above 28,000 acre-feet on <br />an average annual basis. Uses between 1979 and 1984 averaged about 26,000 <br />acre-feet annually. The maximum diversion was 31,960 acre-feet in 1980. <br />Phase II of the expansion is expected to be on line by 2000 and yield an <br />additional 20,000 acre-feet annually. Values were supplied by the Colorado <br />Water Conservation Board. <br /> <br />d. <br /> <br />!ndependence Pass, Pueblo, and Colorado Springs Expansions and <br />Englewood <br /> <br />the Colorado <br />Reclamation. <br /> <br />Present and. projected values for these exports were supplied by <br />Vater Conservation Board in a July 28, 1980, letter to <br /> <br />e. <br /> <br />Fryin~pan-Arkansas Project <br /> <br />Diversions through Boustead Tunnel began in 1971. The average <br />annual diversion during the 1971-83 period was 44,000 acre-feet. The <br />diversion in 1983 was 90,800 acre-feet. The operating principles for the <br />project state that diversions will not exceed 120,000 acre-feet in any year <br />and will not exceed a total aggregate of 2,352,800 acre-feet in any <br />consecutive 34-year period. The latter requirement would mean a long-time <br />average diversion of 69,200 acre-feet. Since the historical (197]-83) average <br />diversion has been much less than this, it is likely that in the coming decade <br /> <br />VI-12 <br />