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<br />As of 19~7--....i~h ther::-existin,: ~3..:'ilitilO's :"or St0~':-.~~. '~.it.hjra...e.l.
<br />and use of t:-le """,:,,,!'s--:3.ver'l.'~ '::el..:. of .....:.~;"r ''':-VL. t.',e t::;'.:=r -:;.,:-t of
<br />the Color::..d.c '1i VE::!" t-'3.s:'!1, f;.':: Lea~Il!""'1. at Lee :erl.... ....ri z.. '..-::-~.s 2.2.133
<br />millioe a:'!'e-:~eet ..,r;;'cl!"l:. /.verG~e ':lis::;:,lved-~~l~Js dischi2r'":>2 '1.:ld CO!1-
<br />cent:'atio:-, ""e!"e 8.676 :T,i2.lior. tOU3 a:1d 581 -,-"-, ("''1.:-;'5 fer :_;':lion).
<br />re:o:pectively.
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<br />Co~po~e~ts ~~ the develo~~ent as 0f 1957. ~~1 th~ir Effects on
<br />'~'e.ter yielc. ai':c '.Iater Ql1"l.lity at ~<2'e "err:;, ":ere 4bmlt as fCl2.o':s,
<br />a~su::lir:g t~;;.!. ':>7 could :--.s.ve beer. nccc~?lis~.ec scO"a.:-c-tely e!~j in t::g
<br />!eC1.uer:ce t>:; e lL:-ted; (1) :.:o:.'cc:-voirs !';';' c.r:als. Qi-:ir.7 to eV.:lT'orct.ion.
<br />eV('::~fl'-'~ yefi!'~:l '~'1ite- ;.'i-c:lc. di::ini sh:d i'l ,-' T.;t Z~.O .~.f")O aC':-e-L~et, .:or_':<i:-
<br />traticll inc:-e:s.sed ~:'~"J.';. 4 -t.:~. ::..nd dis:;Jl'..eJ-soL>:::~' _i3C. r,rt:;'e u::;'::'~:-:bl?d;
<br />(2) tr3osc::ou.\'1tain di'/2:"3ions, .::-,tel' :rie!j ar.c. c.i~::;(';l':ed-sC'lid" u.L:;C'~cn'be
<br />ci r::i:..i shed by 465 .800 a~!'e-f2~t 2!l1 37,500 tcr.s. ,esu,:-cti vel;;. 1'.n1 con-
<br />cent"7"~tio!: increased 6 ~..,; (j1 dot'll2st:c a:',d ihr::.'.I.,-;~ri9.1 ;':c}es. '...~lLe:-
<br />yield d:'..::.:.:.ished 22.600 :]cre-f'~zt, r3issolved-soli.:it"' ':';r::cer.tratio~ E:.'1d
<br />C.i5Chu~'.5e i,,-c::-ea:=t;;d 2 "':'!'J n.~d 33,600 to!"!s, rL'sT.'ec'tively; (1..) irdgation,
<br />0'..::. ';.0 consu,::::71~iv,= us~ ar:.ly. ~.'at~r .vi.~ld liLui:,is.'ied 1.769 r.:i...Lor.
<br />r..(;r'-r~~':.. ccncer.t.r':it:'on i"cre.~~ed 37 :-:';'=', c.issol"'~.l-..:;c.li..:;; c.i!}c:-:arg:::-
<br />u.r;(:L2.:.f'2d; nr.j (5) i:Ti[;3.tior., C'..'ir,c to l",'ac-hirIF 0;'" Vie' ',:t..tl::!'",d lands.
<br />\:ater yi~lJ u!"lc~!l.nE.:l. dissc1\'e<.i-o'.c1l1,3 cor:centrs.tio:l Of'i di"c:,.::.rr:e
<br />i:,cre,!se:l. 19;; I'r.n '_mcl 3.tl5 ::ril1jo:, ".,)'j.;. r'2~:'ective1~'. l.e1'!." f:A e1~e-
<br />'"'here in t~:.is rerort, "le2c;!inS"... ':.l3~d ir, a vc:'" ~.l:CO'l'; sE-r...~, :0
<br />inc2.udf' 111.1 r-,h'lsic6.1 and cre",ic-al ;roc<;?"'ses by '.'h::ch ''''3t~ , :'~0'''':(1f: or
<br />pe;-c-:::atir...:, ;d::kE: u;J dissolve;;: ;;~li'::5 ~r:):: :oil. ..,1 t..--.nsr:Jou~.t.:Lin
<br />1ii\'f'l"sic:;s teen ti.e "la3t-s.d-.:.e:::i" CO."lT)or.~nt, tr,-ey ..Ol,l2.d ,,-',,,,. ::'ncrr~_1.,,::d
<br />diS301ve:i-scli.i:.'' concentrrl.tloP ~;''- :r; :n:-.':l, rat~,E'1" t....n tJ b rf.::'l <3.';; indi-
<br />cr..ted ~bOVf:.
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<br />Thus. had tt~ devela~~e~ts of 1957 ~~t l~e~ in existef'c~, the
<br />r,-y!-othe~icnl aver:;.ge J"'lir1:l .....ater yie2.d at ~"ee Fer~y lo"oulc ;~..~'."~ been
<br />~~cut 15.2 ~illion ac:e-feet rather :~~n the 12.733 ~illioi; ~~~sur~~;
<br />hypothetic!ll 3.V""rR[e CO~,cc:ntrs.tiorj .;:-uld n":.Ye Lee" 253 P::" r~t-i:e:.'" t;'lan
<br />501 ppm, :In:.'! !,::p.:::thetical :.!.ve:."'2.p;;e cissol\'~r.-solids disc :.ar;"e .....ouLl have
<br />teen about 5.2 r.?tner t:l~n 8. 61C t'ilFc,n tons. I~ cth-er '~'(:rds, in
<br />re-1ation 1:.0 a hy-oth~~i:::a.l viTl'in situatio:1, !r.3-n's J.~veloprr.cLts :;'n t1~e
<br />uH-er bo.sb of t:-,e Colo::'i'l.::lo River ar::-,e~r to have di,.;i::.i:;ne-=. '\oir..ter :{i~1d
<br />about 16 ~e:."'cent. nearly o~u~led dissolved-~GliQa c0nce~tratic:1, and
<br />increased dis5clvec-soli1s "dsc::t.l.rfe::...oo,lt 56 Fercent.
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<br />2u~star.tia1ly ell ~he incre~se ::.n di=so:~ed-soliis di:char~e is
<br />conntrued as an €effect cf irrics:Ucn O~ 2.4 :d~.,':'':>:l <Jc::'es 01' l":.nc.--that
<br />is. an :lVer3ge increas~ of 2.4 tor.s !"J'..,r irriga~_ .J 1.'::'~ 0er yeur'. From
<br />one I-3:-t of the area to anoth€!', t."!:: :l'ler<lg~ t'3r.f~~;; ~t:-..;t from 0.1
<br />ton to 5.6 tons.
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