<br /> W[:.l[Rr, b0L'''j[).~F<~ y.....H~: BIJLl[JiI, 19,(. 1~II[PNATlor~"l ~OUr<D~P_T ^ND V/."TER CGM,\1ISSI01~ ,
<br /> RESERVATION MAIN DRAIN NO.4 (CALIFORNIA DRAIN)
<br /> PID::RIF'I'lON: Io'nter_stll8erecorder (d.1g1 taJ.) loc..~ed 500 feet (152 01) up~trell.l!l frolllra11rondcu1'\1ert.!U1dO[le
<br /> 0ll1e (1.6k1l:1) mrthvelitOfYU!IlII., 1l.r1:;ofl.ll.. D1Iidll<r"ellll!ali~nt8nre_defl"Olllnfootbr1~1aIled.1ntelybe-
<br /> low the ...., The dnl.inage c!ln.'l.1 d.1schHrgee 1MO the outfe..ll chll.nnelof the Yuma HalnC!l.1llll1o'lU\t.evaY200
<br /> feet (61.0m)dovT1Bt~frolllT.he9pJ.lllI"Y8tructUn, andthenceintotheColoro.doR1veronUlerJ~tbR11k,
<br /> 1,000 feet <305 m) up6treBJll fl"Olll Colorado RJver ~elow YUIIl!L ~1n C!LlI.II.llo'alit......,y. llnd 6.5 1II11e8 (10.5 kIl:I) up..
<br /> litre"", from the rortherl~ Intel'Tlhtion.al boundery. PrIor to O~tober 1955. ...blished ..9 "CRlJfornla Dl"'Il1nage
<br /> Ce.nalfll'!arYWIl&. Arl~o!lli.
<br /> Ru:DRIE: Bbee<:i Or, cCU"nnt !IlI:ter lllel.liur=ents IlIld a continuous record "f sase he1ghts. Recordsa....COlll...ted
<br /> and fW'T\J.shed by the U. 5. Geolog1caJ.5urvey. ilecordsave.llsble: M:>nthlyd.1scharge, Jll!luerY' 1913 to April
<br /> 1920. Oo.::tober 192.1 toHBrch 1925. andJB.1luary193lJ. toSept.=berI941; dll.J.lyandlDOnthlydJacharge. October
<br />I 19lJ.1through1916.
<br />""""", Regerve.t1on M81n Dra1nllo. lJ. collects clrnlna,gelLlldwaBte",aterfr<Jl/ltheare..e"stoftheY1.J.IllaMB.1n
<br /> Cena!ontheRe5erv"t1onDlv1alon of the YUIIl!LPn>Ject. located 1n C..ufomle. 61nce1939. collectIon of
<br /> lie"',(Bge frolll the All_A.IIler1cnn Cana.1 has ceul;ed lar6e increaseB In drainage !lOUD. Ave"'4le enn\lal flow
<br /> ~l(lr '..0 1'331""3 12,f'J:)O !>cre~ree"t {"-';..ll2/:l.~ ~3). ltxithly Rr..d BT",-ml ....erageB ~ince 1<::3' <>n e~,OV'l", ir. "t~.e.
<br /> table LelO\/.
<br /> EXTREJolES: Prlor to 1937: M&xlllllllll &Mual flow20,190.."re_:reet (24,904.000m3), 1916; Ill.inillltLlllo.nnual n~
<br /> 8.920 acre~feet (U,003.000 11131, 191).
<br /> Mean Daily DiecharRc ;" Second-Feet 1976- Annual and Period Summary
<br /> D., J,n. Feb. Mlrch April M., June July AUI. s.pt. Oct. N~, D"
<br /> , " o, 60 63 6' (l4 '" 60 " " " "
<br /> , " o, 55 62 '0 " 63 60 5' " 56 "
<br /> . " 50 56 65 66 65 " 60 ,6 H 53 "
<br /> . " o, 56 " " 63 " " 6) 66 " 5'
<br /> . 56 " " 62 6. 66 " ,6 68 60 " "
<br /> . 5) " 5' " 60 6, 55 58 " 56 " "
<br /> , 50 " 6] " 6) 6. " 6) '8 5' ,6 5'
<br /> . 5' 56 " 6) 6, " 56 58 '5 5' ,8 62
<br /> , 5' " " " 6) " 5' " 5) 5' ,6 "
<br /> " 5' " " " 6, 6, " 65 65 66 6, "
<br /> n 50 " " 6, 6, 6) " 60 " 66 " '0
<br /> " ;0 " " 62 6' cO (.0 " ", " 5' 60
<br /> " " 5' 6, 6, 6, " " 6) " 6, 50 ,;
<br /> " " 6) " 6, " " " " " 6. " "
<br /> " 62 5) 6, 6, '5 62 62 68 " " 60 52
<br /> " " ,. " " G5 65 5' 60 66 65 5" "
<br /> 17 5' 62 Be " 65 6" 56 62 66 " " 56
<br /> " " '. 6, 65 " " 5) " 58 " 56 50
<br /> " 56 " " " '5 62 5' " " " 6) 50
<br /> " 56 o, " " " 6, 5) " " " 62 '9
<br /> " 56 5) " " 65 64 5) " " 66 " '.
<br /> " 5' " 62 " 6, 60 5) " 6. 6, " 50
<br /> .. " " 6z 6, 0' " " " 66 " " "
<br /> .. 5':' 5) 68 " 62 62 " " '52 " 5' "
<br /> .. 5) 5' 68 '5 6, " 60 " 30 5) 52 5C
<br /> .. ,. 5' Be " " 6' 5' 5' 8B 56 " "
<br /> " 69 " 6' 6, " n " 5' " " 5' "
<br /> .. " 5' n 66 0) 66 5' " " " " '9
<br /> .. o, 62 68 66 6) " " 05 55 " " "
<br /> .. 50 " 62 62 6) " 60 n 5' " '.
<br /> " 50 " 66 5' " 6B 5'
<br /> s." 1,525 1.945 U~~8 1,1362 1,&\1 1,601
<br /> 1.650 l.92j :2,04lJ. 1,783 1.966 1.700
<br /> Current Y." 1976 Period 1937-1916
<br /> Extrellle Gill ExtreIllISecond-FI.t A""I. Tot.1 Acr.-Fe'1
<br /> Month h., Hilh ~ ,_ Second.
<br /> Hilh .... D., D., F..t Acl'tl-h.t Aurll' Me.""UIII MinilllulII
<br /> J"n, '5 62 " o, 53.2 3.213 ).1~4 4.780 8n
<br /> feb. " 6) H<;l '6 5:2.6 3.025 ).G31 4.320 ,6)
<br /> ,"" " " , , " 6:2.2 3.32lJ. )6aB 5.:240 1,240
<br /> '''", '5 " " 5' 64,3 3,858 3.1lJ.~ 5.250 1,160
<br />." .., , 80 6 60 65.~ ~ .05~ 3.868 5.590 9Q2
<br /> J~ '9 " ~ '? 513 t;~.3 ),It';. 3.122 5,;.8D '"
<br /> ,luly , " '" 53 51.5 3,537 3.9fri 6,550 "6
<br /> ,,,,. " 68 , " 60.1 3,693 ),962 6.1310 "',
<br /> Sept. " ." 8 " 65.5 3.900 3,16:2 6,220 '89
<br /> "", . " " " 60.1 3.131 3,193 5.140 1,OlJ.o
<br /> /lov. " " , " 56.1 ).372 J.5)l1 5.490 '.1?4
<br /> """ , " " '6 51.6 3.116 ),415 6060 9'"
<br /> '" '5 5'.1.5 4].:200 lJ.3.69';) 63.700 12,840
<br /> yearly Meters '::ub1cMeters perSe<"ond ThouslLllru.ofCublcMeter,
<br /> I I 4.30 11.:27 1.6<l 5].2')7 5).902: I 18.573 15,838
<br />
<br />~ lieUIl dailJ
<br />
<br />I Andc.therdaY9
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