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<br />".-.,1 :'120
<br />U ~.l. '.1
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<br />.
<br />
<br />Tcs-t
<br />
<br />6
<br />Conduetnnee (K x 10 )
<br />pH
<br />Tot"-l dissolvod solids,
<br />Fercont sodiu;1
<br />~g. cquiv. ~cr liter
<br />n 1t \1
<br />
<br />i!pn
<br />
<br />"
<br />
<br />of co.lcillr.l (Ca)
<br />" "c,gne s i un (~!g)
<br />" sodi un 0'10.)
<br />" enrbonnte (C03)
<br />\, bicr.:rbonatc
<br />(HC03)
<br />" sulfnte (:;0,1.'
<br />'1 chlorid.e (Cl)
<br />" nitrnto (;m3)
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<br />Dry Crk, Dry Crk, N, Plc.tte R,
<br />Juno 15 .So pt0,Q. Se pt~)2
<br />--
<br />1,410 978 555
<br />9,4 8,7 8,0
<br />958 690 376
<br />91 79 27
<br />2304 1,41 2.72
<br />202 0.62 1,46
<br />320 7,87 1.55
<br />126 1,16 0,09
<br />3.l5 4061 2.59
<br />243 3A 70 2,86
<br />32,,7 0,60 0,40
<br />3.1 0.04 0,009
<br />
<br />On tho betsis of n eonpilntion of d'cta titled "Explc.ncction and
<br />Interpretation of !>.!lnlyses of Irrigation 1'/nto",s" trc.nsnittcd by r,
<br />lotter detod ,'lJ.".reh 20, 1945, subjoot "Qunlity of Vhtor", fron Avory A,
<br />Br.'.t tl on, t~1on As sistc.nt Diroctor 0 f' Rosien 7, to vi_rious field o~"'f'iccs,
<br />the North Plr.ttc Ri vcr sr.nplo, which should e losoly approxirlnte tho
<br />c.nalysis of Ft. Lar=io Co,no.1 we'.tor C.t Mile 88,3, fells into Clnss I
<br />(oxeo llont to geod), the So ptel',bor 10 Dry Creok Lrnin sa"plo falls
<br />into Clnss III (injurious to unsntisfectory) on sodiu~ forcontngo,
<br />and Clnss I on nIl othor cri tor in, nlld tho June 15 Dry Crcol: Dro.in
<br />s~~ple fnlls into Clnss III on sodiun poreontngo and chloride content
<br />~nd into Clnss II (sood to i~jurious) on olectricn1 conductivity.
<br />
<br />.
<br />
<br />A study of tho nvorago percent of Br~zicl Reservoir storQgo
<br />dori"Jcd frorl Dry Croek Drnin florls r.'ns nnde fro;1 the '''lnter sUholy
<br />tcbulc.ticns by ::\ssuning unifor!c ...\ixing of eceh nonth T s inflo\"! ',Ii th
<br />the ho Idovor storc.go frol" the previous nonth. The corres pondinc per-
<br />cente.ges of sediUl" in the nixturo nere ccclc'Jl<:tcd by ::\ssl":Jing tl,o.t
<br />the Dry Crcek Dr:.~in rIo"-J had the t1.no.lysis of' the Scptor.-,bcr 10 s~.l~i?le,
<br />und th,.t the Ft, h"11'o.rlic C~nnl '"Inter h<:d tho SCOle r.nnlysis c.s tho
<br />lVe,tor s",.'ple froT.! the i'iorth Flat1;o Piver bolor' GuerClsoy Do.rl, The
<br />8eptonber 10 Dry Creek Drnin snnplo is belioved to be nore roprc-
<br />scntcti vo of the nvorn:;o Dry Crock Drc.in florls bcenuse of its flo',',
<br />prcponderc.noo, Clnd beco.use of t;lC diluting influence of riirect
<br />surfc.co rlIDoff froT:1 l'::\ins",orr.ls. T110 rcsillts of the study TIere I
<br />
<br />Dc-te
<br />-
<br />
<br />% Brnziol Res. storflgc derived
<br />~~~n Dry Creek Drain flow
<br />
<br />.!
<br />
<br />Af"':'l :<0
<br />thy 31
<br />June 30
<br />July 31
<br />Aug. 31
<br />Sept, 30
<br />
<br />65
<br />52
<br />30
<br />36
<br />44
<br />44
<br />
<br />25
<br />
<br />Conputcd % sodiun in
<br />Br.::.zicl Res" storc~.sO 't'lCl.tcr
<br />
<br />67
<br />61
<br />48
<br />52
<br />57
<br />57
<br />
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