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<br />1 <br /> <br />,. <br /> <br />./' . <br /> <br />. <br /> <br />DRAFT <br /> <br />LOWER BASIN SHORTAGE GUIDELINES <br /> <br />1. These shortage guidelines are interim and Will expire in 2016 at the same time as the <br />Interim Surplus Guidelines. <br /> <br />2. These shortage guidelines are based on the Long Range Operating Criteria and a <br />minimum objective release from the Upper Basin of 8.23 maf. <br /> <br />3. Through year 2011, the Lake Mead shortage trigger will be based on the strategy <br />known as 80PI050 with an absolute protection of elevation 1,000. This assumes that <br />SNWA can acquire the necessary approvals and replace its upper intake by 2011. <br /> <br />4. Starting in 2012, the Lake Mead shortage trigger Will be based on absolute protection <br />of elevation 1,000. <br /> <br />5. Any shortage amount would be allocated between both US and Mexico. . <br /> <br />. <br /> <br />6. . . In a year in which deliveries to Mexico are reduced below 1.5 maf, releases from the <br />Upper and Lower Basins to satisfY the Mexican obligation Will be reduced <br />proportionately. <br /> <br />7. The Lower Basin states Will provide recommended criteria for shortage declarations <br />to protect the critical 'elevations described above and to avoid sudden reductions in <br />water supply. Additional shortage trigger elevations may be identified above <br />elevation 1,000. <br /> <br />8. A plan to address shortages in the U.S. portion of the Lower Basin will be developed <br />by the three Lower Basin states and provided to the Secretary of the Interior at a later <br />date. <br /> <br />9. A clause to allow re-consideration of the criteria at the initiation of a Lower Basin <br />State with agreement of other states will be added. <br /> <br />2/25/05 <br /> <br />. <br />