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Last modified
1/26/2010 2:16:01 PM
Creation date
10/12/2006 12:43:53 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8210.140.20
Description
Colorado River Basin Organizations and Entities - Colorado River Basin States Forum - California
State
CA
Basin
Western Slope
Date
1/1/1974
Author
Myron B Holburt
Title
Appendix to Annual Report of the Colorado River Board of California for the Calendar Year 1973
Water Supply Pro - Doc Type
Annual Report
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<br />.-:' ~.., .... ~ <br />ii' ..:.~ <br /> <br />Dellve:::-y d' ColorCldo W.VE;r "!ate~" :;0 the Ci.ty of Ti,juana on an <br />emergency basis commenced L1 1972 thrm~gh facilities of the Metro- <br />politan lIater District, the Sa.'1. Diego County l.1ater Authority, and <br />member agencies of the Authority. 'rhe deliveries are made purusant <br />to Minute No. 240 of the InternationRl Boundary and Hater ComElission, <br />which provides for emergency deliveries for a term not to exceed <br />five years and which wi.ll be accounted as a portion of Mexico's <br />Colorado River vlater allotted by the Hater Treaty of 194.1;.. Deliveries <br />are scheduled to reach a maximum of 20,600 acre-feet a year. <br /> <br />Table 5 presents, for calendar year 1973, a summary of scheduled <br />orders of water from the Colorado River belovl Parker Dam, the <br />quantity not taken, and v.hat happened to the rejected vrater by <br />agencies. The California aGencies ordered but did not talce 1. 2 <br />percent of their total orders, and the Arizona agencies did not take <br />5.7 percent of their total orders. This resulted in 161,579 acre- <br />feet being ordered bU~G not taken and 5,535 acre-feet, in addition to <br />operational losses, being delivered to :fuxico in excess of the <br />requirements of the I~xican Water Treaty. <br /> <br />Qoordlnated Operati?n of Colorado <br />hiveI' Reservoirs <br /> <br />The Bureau of Reclamation released its third annual report on <br />the operation of Colorado River reservoirs pursua.'1.t to Section 602(b) <br />of P.L. 90-537. The report described the actual operation of the <br />reservoirs during "Tater year 1973 and the projected operation for <br />water year 1974. This report repeats the findings of the first and <br />second annual reports that "the accumulation of '602(a) storage' is <br />not the criterion governing the release of water during the current <br />year." Based on that finding, no determination was made of a <br />numerical value for 602(a) storage, and 1971:. water year releases <br />from Lalm POl'lell Here set at 8.23 million acre-feet, the minimur.l <br />release objective specified in the Colorado River Basin Project Act <br />operating criteria. <br /> <br />Power <br /> <br />The production of hyd.roelectric povre1.' in Cc,lorado River Bo,sin <br />power plants constitutes a vital resO\,;,,-c:e to the Basin states, both <br />for thG energy generated and for thE' pO':ler ,'evenues received. <br />Tables 6, 7, and G Shotl key aspects of hydr081ectric pOHer generation <br />in 19730 <br /> <br />All rese,:,voL::, but I'ontcnclle Reservoir stayed above rated head <br />elevation the JUghO'.lt the "Tater yearo F'ontenelle Nas lO\'Tered beloH <br />rated head .~o increase its capacity to capcure the sprin~ runoff, <br />. thereby improving the dO\'ffistream habitat for geese. For LO\'Ter Basin <br />interests, op'crp.ting year \'Tater releases from Hoover Dam and electric <br />generation statist-ics are shmm in Table 70 There \'Tas very little <br />change from the previous operating year. <br /> <br />- 6 - <br />
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