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<br />Introduction
<br />
<br />The COIOf.ldo RIH'f Board of
<br />C.lliiornia \\a~ (ft'dtl'd by the State
<br />leRisl.l1urt:- in 1937. It has the
<br />responsibilil~. of protecting the rights
<br />.md interests of the 51.11('. Its agencie!.
<br />and citizens m the weller and po....er
<br />resource'> of the Color.Ida River
<br />system. DUli5 of the Board an" set
<br />forth in SE"(\ions 11527 through 12533
<br />of the Water Code.
<br />The BOiHd is compmed of si>.
<br />mpmbers aplXlintt'Cl by the Governor
<br />irom ('(lch of the following agt'ncil::'s:
<br />Imperial Irrigillion District, The
<br />~1l.tfOpohtdn Waler DisHiet 0;
<br />Southern Cahfornid, los Angeles Cilv
<br />Depdrtment of Woller <lnd Power, San
<br />Diego Count\' WaiN AuthOrity,
<br />COdchella Valley Counh Woller
<br />District, and Palo Verde Irrigation
<br />District. These agenCies contribute
<br />two-thirds of the Board's budgt,t.
<br />Thl' Chairman oi the Board. elt'Ctt'd
<br />annually by lhe members, ~t'r\es t'l.
<br />Dr'ficio <'I') Colorado Ri\er
<br />Commissioner or' California ThE' Chlt.j
<br />Engint"t'r dlrt'CIs tht' aClivities oi the
<br />slaiL Tht' Attorne~' General oi the
<br />Slate of California is legal counsel 10
<br />the Bo,Hd.
<br />
<br />Colorado River Operation
<br />
<br />Tht. eslimaled Virgin flow oi the
<br />Colorado Rl\l'r at lft' ferry during
<br />lhl:' 1974-75 watt'r vt'ar eOctober 1
<br />through Seplember 30! was
<br />16.771,OClO acrp-ft>(,l. Thi... wa... 110
<br />percent of thl;' lon~-tlmt' aVl;'rage flo\\
<br />of 1 ],935,000 ..1Cre.ft"l.'1 for the 54-~'ear
<br />pt.'rind from 1912 to 1975.
<br />DUring the water \ear, slordge in
<br />Upper Ba...in r{'serVOI'S increast>d bv
<br />2,776,000 acre"ft>t>t dnd storage in
<br />
<br />,
<br />
<br />
<br />Power generalors al Hoover Dam
<br />
<br />lowt'r Bdsin rt'servoirs increased by
<br />811,000 acre-feet. As ot September 30,
<br />1975, the total dctive ...torage in the
<br />major Uprlt'r Ba...in reservoirs \\'.1<'
<br />26,]85,000 acre-ff't't and the .lctlVt'
<br />storage in thl:' lower Basin reservoirs
<br />was 21,1' 2,(XX) dcre-feel. The actu,\1
<br />ilow oi the river below Gll'n Canvon
<br />Ddm at lee Ferry for the \\aler vt'M
<br />WdS 9,274.000 acre-f(>t'L
<br />The Bureau of Reclamation
<br />t'stlmdled the 1974-75 waler H'M
<br />Upper Basin deplt'lions bv the Upper
<br />Bdsin ,>Idte.. IColorddo, "ew Mel.ico.
<br />Ulah. and WvomingJ dt ],479.000
<br />dcre-ieet 75,000 acre-it't't more than
<br />the previous war's final iigure.
<br />DI\er..ion.. less measured returns
<br />irom the mdmSlream for the malar
<br />waler users or' Ihe LO\\l'r Bd...in state...
<br />(Arizona, California, and ~evadaJ
<br />were 6,1 ]8,OClO acr(>-r't"E't for calend.lr
<br />year IlJ75, 4(}8,000 IE'...... than in 1974.
<br />Dala ior major Calir'ornia u...ers ...hm..
<br />di\'er...ion~ les... return'.> ior calE'ndar
<br />\-ear IlJ75 at 4,8lJ1.000 acre-feet.
<br />420,QOC.l dcre-ll;'t'tl€'Ss than llJ74. \-loSI
<br />oi this de(:fease is dccounlro for b\
<br />The \letropolitan Water District oi
<br />
<br />I I
<br />
<br />Soulht'rn California diverting 343,000
<br />acrt'-if~t:'l It'Ss in 1975 and incredsing
<br />its dl'liveries from the Californid State
<br />\V.lll'r Projl'Ct.
<br />Dl'Iivt'rie,> oi Colorado River waler
<br />to Mexico in accordance with the
<br />1944 Mexican Water Treaty totalled
<br />1,728,000 dcre-fff'1 during calendar
<br />war 1975, or 228,000 acre-fet't in
<br />exces... oi the Trealv'... minimum
<br />rt'quirement. A portion of the water
<br />delivered, 8,262 acre--f('(>t, was
<br />con\t:'ved on an inlerim ba...is to the
<br />Citv of Tijuana through facilities of
<br />The 'v1elropolititn Waler Di...trict and
<br />othpr a~encies in accordancE' with
<br />\1inulE' 1'\0. NO 01 tht' International
<br />Boundarv dnd Water Commission. Of
<br />the 228.000 dcrl'-ft>t>t of delivery in
<br />el.ce...... oj thE' Treat\-"... minimum
<br />rt'quiremem, about 216,000 acre-teet
<br />W<lS CO\ ered under provision<; oj thE'
<br />Commission'... MinutE' No. 242. the
<br />1973 a...-:rE'{'ment With \1exico, and
<br />about 12,000 <lcre-f(>t't was chargeable
<br />tu operational control at the fl\er and
<br />to U.S. users not taking ordert>d
<br />wdter. \1mule .'0. 240 i... described in
<br />lhe Board's 1972 Annual Report and
<br />Minute "'0. 242 i... de...cribed in the
<br />Board'", 1973 Annual Report.
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