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<br />Consistent with the above determinations and in accordance with other applicable provisions of <br />"The Law of the River," the AOP was developed with "appropriate consideration of the uses of the <br />reservoirs for all purposes, including flood control, river regulation, beneficial consumptive uses, <br />power production, water quality control, recreation, enhancement of fish and wildlife, and other <br />environmental factors" (Operating Criteria, Article 1(2)). <br /> <br />Since the hydrologic conditions of the Colorado River Basin can never be completely known in <br />advance, the AOP addresses the operations resulting from three different hydrologic scenarios: the <br />probable maximum, most probable, and probable minimum reservoir inflow conditions. River <br />operations under the plan are modified during the year as runoff predictions are adjusted to reflect <br />existing snowpack, basin storage, and flow conditions. <br /> <br />Summary <br /> <br />Upper Basin Delivery. The minimum objective release criterion will control the annual release from <br />Glen Canyon Dam during water year 2003 in accordance with Article 11(2) of the Operating Criteria <br />unless spill avoidance and/or the storage equalization criteria in Article 11(3) is controlling. <br /> <br />Lower Basin Delivery. Downstream deliveries are expected to control the releases from Hoover <br />Dam. <br /> <br />Taking into account (1) the existing water storage conditions in the basin, (2) the most probable <br />near-term water supply conditions in the basin, and (3) that the beneficial consumptive use <br />requirements of Colorado River mainstream users in the Lower Division States are expected to be <br />more than 7.5 million acre-feet (mat) or 9,250 million cubic meters (mcm), and specifically (4) the <br />Interim Surplus Guidelines, which implement Article III(3)(b) of the Operating Criteria, the Full <br />Domestic Surplus condition is the criterion governing the operation of Lake Mead for calendar year <br />2003 in accordance with Article III(3)(b) of the Operating Criteria, Article II(B)(2) of the Decree, <br />and Sections 2(B)(2) and 7 of the Interim Surplus Guidelines. <br /> <br />If it is determined, consistent with Section 5(B) of the Interim Surplus Guidelines, that the California <br />contractors have not executed the Quantification Settlement Agreement by December 31, 2002, the <br />Normal condition is the criterion governing the operation of Lake Mead for calendar year 2003 in <br />accordance with Article III(3)(a) of the Operating Criteria, Article II(B)(1) of the Decree and the <br />Interim Surplus Guidelines. <br /> <br />The suspension of surplus determinations under Section 2(B)( 1) and 2(B)(2) ofthe Interim Surplus <br />Guidelines will remain in effect until such time as California completes all required actions and <br />complies with reductions in water use reflected in Section S(C) of the Interim Surplus Guidelines. <br /> <br />In the event that the California contractors and the Secretary execute said agreements during <br />calendar year 2003, consistent with Section 5(B) of the Interim Surplus Guidelines, the interim <br />surplus determinations under Sections 2(B)(1) and 2(B)(2) will be reinstated, following appropriate <br />consultations. In such event, the Full Domestic Surplus will govern the releases for use in the States <br /> <br />December 13, 2002 <br /> <br />2 <br />