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Last modified
1/26/2010 4:34:30 PM
Creation date
3/31/2008 2:44:38 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8282.750
Description
California 4.4 or QSA or Water Plan
State
CA
Basin
Colorado Mainstem
Author
Imperial Irrigation District
Title
California 4.4 Plan / QSA / Water Plan - Background Information
Water Supply Pro - Doc Type
Project Overview
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<br />their own, which was adopted in large part by the Department and issued as a federal <br />regulation in January 200]. These Interim Surplus Guide]ines, which are now in place, <br />allow the Secretary to make surplus declarations more often than in the past, thus giving <br />California greater assurance that it will be able to take the extra water it needs during the <br />implementation of the California Colorado River Water Use Plan. <br /> <br />QSA and Interim Surplus Guidelines <br /> <br />The Quantification Settlement Agreement among the California agencies and the <br />Interior Department's Interim Surplus Guidelines are directly linked. This linkage was <br />built into the Interim Surplus Guidelines regulations by the other Basin states, which are <br />impatient with California's over-use of the Colorado River. To ensure that California <br />moves aggressively to implement its plan to live within its basic apportionment, the other <br />Basin states included in the Interim Guidelines specific benchmarks and timetables for <br />carrying out the QSA. The most important of these is a requirement that the OSA be <br />executed by Dee 3]. 2002 or the Interim Surplus Guidelines will be suspended. <br /> <br />If the QSA is not implemented on schedule and the Interim Surplus Guidelines <br />are suspended, California would be required to reduce its Colorado River diversions to its <br />basic apportionment of 4.4 MAF during years of normal or below normal flows on the <br />Colorado River (2001 flows were below normal). This would cause a devastating <br />700,000 AF shortfall in the state's urban water supply. <br /> <br />The parties to the QSA are working to complete federal and state environmental <br />documentation and permits for the lID-San Diego water transfer, the lynchpin of the <br />QSA. The transfer, which could eventually total 200,000 AF annually, must begin in <br />2003 so that the QSA can be implemented on time. But the environmental permitting <br />process has proved to be more complex than anticipated. <br /> <br />Salton Sea <br /> <br />Currently, the QSA parties and the U.S. Fish and Wildlife Service are focused on <br />the possible impacts that the lID-San Diego transfer may have on protected and/or <br />endangered species at the Salton Sea. <br /> <br />The Salton Sea is a landlocked lake that straddles the Imperial and Riverside <br />County line in Southeastern California. It is sustained almost entirely by irrigation runoff <br />from the liD, CVWD and the Republic of Mexico. Salinity in the Sea is increasing <br />naturally, and it will eventually reach the point where the Sea will no longer be capable <br />of supporting the fish populations on which endangered bird populations depend for food. <br /> <br />Because the water to be transferred to San Diego by lID will be generated by on- <br />farm conservation, less relatively fresh irrigation runoff will be flowing into the Sea. <br />With inflows reduced, the Sea will reach the hyper-salinity point sooner. In 1998, <br />Congress passed the Salton Sea Restoration Act, which required the Secretary of the <br />Interior to propose a plan for restoring the Sea. The Act specified that the plan must take <br />into account reduced inflows resulting from conservation and water transfers. However, <br />the Secretary has not yet submitted a restoration plan to Congress. <br />
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