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<br />The following tabulations for calendar year 1999 show records of releases of mainstream water <br />pursuant to orders thereto, but not diverted by the party ordering the same, and the quantity <br />of such water delivered to Mexico in satisfaction of the Mexican Treaty or diverted by others <br />in satisfaction of decreed rights. Also shown are quantities of such rejected water <br />delivered to Mexico in excess of treaty requirements and quantities delivered to storage. <br />The quantities delivered to storage were available to release for future use. <br /> <br />Water ordered but not diverted was analyzed daily for each diverter as the positive <br />difference between the finally approved daily order and the mean daily delivery requested on <br />the day the diversion was made. The monthly quantities shown on the tabulations are the sum <br />of the daily positive quantities. Final approval of daily orders was given in advance of the <br />delivery date by the amount of travel time involved in conveying the water from the storage <br />point to the diversion point on the mainstream. To the extent possible, "water ordered but <br />not diverted" was delivered to others in satisfaction of their rights. The quantities of <br />such deliveries are shown on the tabulation. <br /> <br />Deliveries of water to Mexico in satisfaction of the Mexican Treaty were scheduled based on <br />Mexico's daily orders. Releases from storage were scheduled in sufficient quantities, which <br />when added to return flows, would meet Mexico's daily orders. Deliveries of water to Mexico <br />in satisfaction of the treaty, therefore, were considered to have been made entirely from <br />releases from storage and from return flows scheduled for that purpose and not from water <br />ordered but not diverted by other Colorado River water users. Therefore, the tabulations <br />show no "water ordered but not diverted" as being delivered to Mexico in satisfaction of the <br />treaty. <br /> <br />To date, no daily orders are received for diversion from the Colorado River in Nevada so no <br />sheet is included for Nevada. The storage capacity of Lake Mead is so large in relation to <br />the present daily diversions from the reservoir by Nevada that any "water ordered but not <br />diverted" would be retained for future use and would have no significant effect on scheduling <br />of daily operations of the reservoir. <br /> <br />25 <br />