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<br />. ... <br /> <br />e <br /> <br />e <br /> <br />CREST Planning Study <br />Major CriterDiarurAs'sumpt"ions -and Comparisons <br /> <br />I. Future Projected Water Use <br /> <br />A. Base Conditions <br /> <br />1. Upper Basin estimated future depletions <br /> <br />Units: 1,000 acre-feet <br /> <br />Water Year 1983 1985 1990 1995 2000 2010 2020 2030 2040 <br />1/ 3529 4250 4447 49003/ 5105 51673/ 52293/ 52543/ <br />USBR- 2/ 3498 <br />Forum Low- 3495 3935 4175 4298Jf 45433/ 47893/ 5034}/ 5280)/ <br />Moderate 3534 4017 4412 4508)/ 4701}/ 48943/ 50873/ 5280:3/ <br />High 3737 4640 4867 491F- SOOS-::- S09lr 518&=- 528(\=- <br /> <br />1/ Does not include 546,000 acre-feet/year reservoir evaporation from Lakes <br />Powell, Flaming Gorge, Navajo, Blue Mesa, Morrow Point, and Crystal. <br />~/ Does not include 520,000 acre-feet/year reservoir evaporation from Lakes <br />Powell, Flaming Gorge, Fontenel1e, Blue Mesa, Morrow Point, and Crystal. <br />1/ Forum esttmates extended to 5.8 million acre-feet (maf) by 2040. <br /> <br />The Bu~eau of Reclamation (Reclamation) projections exceed the Lower Forum <br />projections by about 300,000 acre-feet in 1990 and 1995, but Rec1amatior. projections <br />are based upon original as planned and authorized documentation and should be <br />reasonably accurate. The study will categorize demands as transbasin or within basin <br />as well as agricultural, municipal, and industrial, etc. <br /> <br /> 2. Lower Basin Estimates future depletions <br /> , <br /> ~ <br /> Units: 1,000 acre-feet <br />Water Year 1983 1985 1990 1995 2000 2030 <br />USBR 6016 6777 7367 7392 74184/ 75004/ <br />Forum Low 6375 7358 7398 74137;/ 75004/ <br />Moderate 6509 7389 7439 74484/ 75004/ <br />High 6813 7418 7500 750cr- 7500- <br />4/ Forum estimates extended to 7.5 maf by 2030. <br /> <br />3. Surplus conditions will be effective to reduce the probability of <br />spills (flood control releases). Under these conditions, the surplus <br />will be delivered to The Netrcpoiit3r. :-iater District and to the <br />Central Arizona Project, up to the assumed canal diversion capacities. <br /> <br />4. Shortage conditions reflecting the operating criteria pursuant to the <br />Colorado River Basin Project Act (Public Law 90-537) are applicable to <br />maintain a minimun power pool of 1083 feet elevation in Lake Mead. <br />