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<br />10
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<br />WESTERN BOUNDAR'" WATER BULLETIN 19~~ _ INTERNATIONAL BOUNDARY AND WATER CQ.YMIS~ION
<br />
<br />YUMA M.AJN CANAL WASTEWAY TO COLORADO RIVER AT YUMA. ARIZONA
<br />
<br />D~CRIPTro~: Tho! wa~tew;ay receives water from the !ulIa Main Canal at the ch,",ck ~trurture on the canal, 1,6~5
<br />feet l5Ul~) upstrealll from tne lnta"" or tne Coloraoo ill...,> .slpnon, 1lf1d ).2 ~lle' (5.1 km) .jo,,"..tream rroll
<br />the 51 phon Drop Po....r Plant. Thl, we, ~f'Way dl,charg'" into the Colorado Hi vel' on the Ca 11 forn la 'ide, I ,~OO
<br />teet (30Sm)up,trulItroIllColoraaoRlv'lrb"lowYu.maMalnCan,lWasteWBY, and 6.S ,1Iiles (10.5 1aIl) upst,.".,.
<br />rrOll the northerly internalloMlland boundary.
<br />RECORDS: D1,,:harg<l13COlllpuleda,thed1fterencebelweenlhemea3Ureddl.'lcharge or the Yuma Ha1n Canll al lhe
<br />Siphon Drop Power Plant up,trMOl and that of the :I.UI~ canal b~lo.. the Colo~ado Rher :liphon, with d"du~t1on~
<br />fer 8mall 1~l'"uat.lon dlvel'".lIlon.ll fl'"OOl the canal oetween the two gaging 'tat1o'u. Record... obUln"d and
<br />fuml...hed oy U, S. Geological Survey, Record" avall1ol.e: Ap~ll '9'3 through 1978.
<br />REJ.4ARKS: The ...ne'olllY di~charge" to the river the flow 1n e.ce~~ of 1~~lgaUon water 1n the Yuma kaln Canal.
<br />Thl... eXC....." flow, in adojUion to the lrrlgat10n water. wa~ diverted f~OOl the All_AlII~rlcan Canal lnto ~he YUllla
<br />Haln Cll1lal and u~lllzed for po..e~ purpo~e" a~ ~he Siphon Drop Po..er Plant.
<br />EXTREMES: Prlo~ ~o 1935, when "~onge began In Lake Mead: A,erage annual (low, 297 ,800 acre_r~et;
<br />(:1>7,333,000 013); Olull11um annual now, 913,700 acre-he~ (1,127,0~0,000 ,.3), '<132; OllnlmulO annual no..,
<br />11~,900 acre_feet (141 ,n8,000 013), 1917. Slno<1 1935: MaximUIII Illean dally di:lcharge, 220 ~e~ond-reet
<br />(57.2 1I)/5ec), December 2~-25, 1948; Ol.!nllllulO Olean dally dl~cnarge, no flo.. on nUOlero," occa"lon',
<br />
<br />Mean Daily Di.charae in Second-Feet 1978 - Annual and Period Summary
<br />
<br />D., Jan. ,.. M...ch April M., JlIne J~IJ AUI. Sept. D" I'lo~. 0"
<br />, " " 20 '" " "OS " " 580 '" )" '"
<br />, '" " 20 '" ;0 tout> " " ';0 <.&) )0 oj~
<br />, ", "9 '" ') '9) 517 '" " 50' 26:! )0 72~
<br />. 90 '" " ,) ", ", '" " "J] ". 19 '17
<br />, " 116 " ,) )0' '"7 '" " >S, 26~ "' 900
<br />. '9 '" '9 " '3' 6"' '" " m ,as 6,) '"
<br />7 '9 "9 '9 " '" )") '" " '" '66 6.9 "
<br />. 20 407 " " ", )," '" " m ,", " "
<br />, '9 '69 '" '" '" ,,' '" " ,,' m " "
<br />" '" '" '" " "" .,' '" It}".. 2',2 " "
<br />H '" "" " " >S" " " " '" 220 '" 'J
<br />" " 5" " " '"' " '" " '" '3' m ')
<br />I' '" " " " "9 " " " '"" '3" '" "
<br />.. " ,6 " " "60 " '" " '3' "" m '"
<br />" " " " " '" " " " '75 '"" ,." '"
<br />" " ,) " " 50) " " " 'bg ~:,;:' '" '"
<br />11 ,. " " " .,6 " " " ", '50 '55 '"
<br />" " " " " "" " " " 205 '50 ,.. '"
<br />" " '. " " lB' " " '" m "" '" '"
<br />20 '" " " " lBJ " " '" "9 ,40 '" "
<br />21 '" " ,6 " 'B5 " '" " ,so "" J" '"
<br />" '" " " " 367 " " " 199 " 111 "
<br />" '" '9 ,6 '" lBo " " " J" " '99 ,5
<br />" " '9 " " lB' " " " J", " ~~~ "
<br />" '3 " " " 290 " " " no " '" "
<br />" " '. " " JJ9 " " " l27 '3 ,,, "
<br />27 96 " " " ")6 " " " '" '3 e6 '3
<br />" '" ,. " " "" '" " " 226 '3 " "
<br />" '0) " " ~22 '" '" " 250 " '" "
<br />" '" '" " ')8 " " '" 279 " " "
<br />" ,.. '" "" " "' 1U3 "
<br />S,. ~, 237 "", 5,065.7 "95 5,275 ",55S
<br />1,62' 567 10,750 ""9 8,273 4,655.2
<br /> Current Vur 1978 Period 19J5-IQ78
<br /> hr.ellle GIll! , htr..",eSecond-Fut "'~Irrale Total Ac,,-Feel
<br />Month Feet H,.h .,- Loo Second-
<br /> H'lh Loo D., D., he~ "tre-Feet "~erale Muu"ulII Min',""'"
<br />Jan. )0 '3' , , " 52.3 3,215 5~, 13to "0,700 3,21"..
<br />r"u. " 7<'_ , " ", 8,404 ~1 ,424 8? 1 ~O 2,856
<br />"",, " " ')0 " 18.3 1,125 ~1 ,574 90,190 "59
<br />"~r. " '9 ) " 14.7 an 48,064 86,580 873
<br />'"' " 50' , '5 J" 21,322 57,134 88,;:>80 :., ~80
<br />"~ , '"9 , ), " ,", 10,Q48 49,982 86,g60 1,857
<br />,)'..IC., II., ~ :. , '" .,11.5 '0')', ~7 ,OB~ ')',,2:'0 1,';2
<br />''''' J' " "9 '" " ." 47,623 89,890 456
<br />Sept. , ,eo " 159 no It. ,400 51,007 83,650 9,737
<br />o",L. , . "" " " "0 10, ~"'3 48,000 90,050 2,176
<br />Nov. " )" ) 6 9 ," 0,5]0 48,007 \01,500 3,850
<br />De". , 900 , ) " '" 0,0"1 52,57J 108,eOO ,,'
<br /> 900 ~.'1 ,,' 92, ~O 3 598,610 1,(042,650 75,950
<br />Y"'arly Meter" C'Jbk",..t"rs ;><lr s'tc<>r.:1
<br /> l~,o:."~&.,,M, "r C"tJ\~ l~eter"
<br /> I I 25.5 I 10.20 3.62 11),078 I 7]8,)79 1.286,345 I 93, 58~
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<br />~ Hean dally
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<br />I Andotnerday,
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