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<br />~ -'Il <br /> <br />January 23-24, 2007 Board Meeting <br />Agenda Item 17 <br />Page 3 of6 <br /> <br />. <br /> <br />shortage when curtailment is being experienced in the Upper Basin (which <br />may not be in Colorado's best interests). The Agreement expressly <br />provides that are conditions, other than shortages in the mainstem ofthe <br />Lower Colorado River, which may trigger the 1944 Treaty's extraordinary <br />drought provision. <br />a. The States did not reach consensus about how Lower Basin <br />tributaries will be considered, with regard to deliveries to Mexico, <br />for which the Upper Basin has some obligation if deliveries are <br />deficient. <br />Lower Basin Augmentation and Conservation: <br />1. Encourages augmentation ofthe Colorado River System as a whole <br />thereby helping to alleviate drought impacts and development constraints <br />on the existing supplies. <br />2. Encourages the Lower Division to look elsewhere, besides the Upper <br />Basin, to sustain existing and future development <br />3. Encourages the Lower Division to become more efficient in diversion <br />and use of existing supplies. <br />4. Allows for more flexible management of Lower Basin supplies during <br />the interim period. <br />5. Provides opportunities to raise water surface elevations in Lake Mead, <br />thereby reducing demand for equalization releases from Lake Powell, and, <br />thus, reducing risk of future Upper Basin curtailment <br />6. Implements an Intentionally Created Surplus ("ICS") program <br />premised on forbearance and delivery agreements among Lower Division <br />States the development of which was done without input or participation <br />of Upper Division. <br />7. Assures that any increases in the water supply resulting from weather <br />modification will be considered augmentation of Colorado River System <br />as a whole and would not be assignable to any entity. <br />8. Includes provisions in the interim guidelines that limit the impacts to <br />Colorado: <br />a. Limitations were placed on how much ICS could be stored <br />in, and released from, Lake Mead under shortage, normal and <br />surplus conditions. ICS helps keep Mead higher reducing <br />equalization amounts while at the same time helping to minimize <br />Lower Basin shortages and protect the Las Vegas intakes in Lake <br />Mead. <br />b. Given that the forbearance and delivery agreements could <br />exclude Upper Basin input on the ICS program entirely, the Upper <br />Division required the Agreement/Guidelines to expressly provide <br />for Upper Basin consultation on creation ofICS projects, as well as <br />providing open access of ICS accounting records. <br />c. Creation and release of tributary ICS was limited to <br />tributaries upstream of Hoover Dam to avoid the tributary <br />arguments and still provide some benefits during the interim <br /> <br />. <br /> <br />. <br />