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Entry Properties
Last modified
1/26/2010 4:18:50 PM
Creation date
2/12/2008 3:20:09 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8282.600.10.B
Description
Colorado River Operations-Accounting - Annual Operations Plans-Reports - AOPs - Reports
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
11/19/2004
Author
Unknown
Title
2005 Annual Operating Plan for Colorado River System Reservoirs - 11-19-04
Water Supply Pro - Doc Type
Report/Study
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<br />.r ;"3 "8 <br />uv.... .J' <br /> <br />diversions also supply much of the domestic and industrial water needs in the Yuma area. In <br />calendar year 2003 approximately 5.780 maf(7,123 mcm) arrived at Imperial Dam; approximately <br />5.764 maf (7,101 mcm) is estimated to arrive at Imperial Dam in calendar year 2004, <br /> <br />Additional Regulatory Storage <br /> <br />Reclamation has initiated a study that evaluates the needs and develops options for additional water <br />storage facilities to be used to improve water resource management on the main stem ofthe Colorado <br />River below Parker Dam and near the All-American Canal. The report, "Preliminary Study of Lower <br />Colorado River Storage Altematives," is being developed in cooperation with the Imperial Irrigation <br />District, Coachella Valley Water District, San Diego County Water Authority, and Metropolitan <br />Water District of Southern Califomia, <br /> <br />Yuma Desalting Plant <br /> <br />The Yuma Desalting Plant (YDP) was not operated in calendar year 2004 and is being maintained in <br />a ready reserve status. In calendar year 2003, the amount of water discharged through the Main <br />Outlet Drain (bypass flows) was 116,477 acre-feet at an approximate concentration oftotal dissolved <br />solids of 2,553 ppm. Water demands in the Colorado River Basin have raised concerns over the <br />continued discharge of bypass flows into Mexico because these flows have not been counted as part <br />of Mexico's 1.5 maf(1,850 mcm) allotment under the Treaty of 1944. <br /> <br />At the request of Congress, Reclamation is preparing a report that describes activities required to <br />achieve state-of-the-art operations of the YDP, provides an estimate of how long those activities <br />would take, and presents a current estimate of their anticipated cost. In addition, this report will <br />explore interim and/or supplemental opportunities for replacement of water that is bypassed into <br />Mexico, including opportunities that do not negatively affect the Cienga de Santa Clara, a wetland of <br />approximately 14,000 acres that is within a Biosphere Reserve in Mexico. <br /> <br />Delivery of Water to Mexico <br /> <br />Total delivery to Mexico for calendar year 2003 was approximately 1.561 maf(I,925 mcm), an over- <br />delivery of approximately 0.061 maf (75.2 mcm), Of the total delivery, approximately 0.140 maf <br />(173 mcm) were delivered at the Southerly International Boundary (SIB) and 641 acre-feet <br />(0.79 mcm) (including conveyance losses) to Tijuana. Through July 2004, over-deliveries to Mexico <br />have been about 0.033 maf(41 mcm) and are expected to be about 0.072 maf(89 mcm) for calendar <br />year 2004. It is anticipated that approximately 0.140 maf (173 mcm) will be delivered at SIB and <br />651 acre-feet (0.80 mcm) will be delivered for Tijuana in calendar year 2004. <br /> <br />In accordance with Minute No. 242 of the IBWC, up to 140,000 acre-feet (173 mcm) will be <br />delivered to Mexico at the SIB, In accordance with Minute No. 310 and the agreement(8) for <br /> <br />(8) "The Agreement for Temporary Emergency Delivery of a Portion of the Mexican Treaty Waters of the Colorado <br />River to the International Boundary in the Vicinity of Tijuana, Baja California, Mexico, and for Operation of the <br />Facilities in the United States," applicable through calendar year 2008. <br /> <br />21 <br />
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