<br />Efficient Water Use III Agriculture
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<br />Efficient Water
<br />Use in Agriculture
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<br />Th.: CI'I,'T;ld" Sr,lk Enpnr(,f f~lImall'~
<br />lh;ll ']f.'.nl'lllwTl' f,'U'lWS appr"Xll1l,ltC]Y ....,.
<br />parent l,j tnI.' .~rpUndWJlrr Jnd <,urf.1Le
<br />v,aler ddln:red annually In the Slale
<br />~,m'e 7S l(J ~l) pcn,:cnl of InlS WJ~cr comes
<br />tr.'m din:rslPlls .'m of overs. lake,,_ .mu
<br />r('s,'f',.lIT". tnt' lnhd 20 III 25 p.'Tn'nl \"
<br />pump,"d fr,.m ~fllllndw;ltt'r ;lljlllfeb
<br />\\",lll'f U~. dhul'lllY l>n Irrig.llcd f.mll:;
<br />;md r;mchrs IS {lft..:n \wlled JS J fUlldwll 01
<br />lhl: qu,lnwy ,,1 water (llllsumed hy ~ro\\lng
<br />nop'- n-rsu" the ,lmounl 01 W.lln ddl\'ercd
<br />EthUl"ncy l11,lY ;115(1 ix- .'"\"alual,'d h~' lr>l.lkmg
<br />.11 tn,' ndds ,mJ ,'alu.. ,11 the nLlp<. pro.
<br />d\Ked ref unit "j \I-Jler (llllsumed
<br />\\"JIl'T use dfldl.'lll}' In ,I,,"oculturc (,In
<br />\'.1n hI' field. Llrm. ,1T m-,'r b.bm :h with
<br />\\';Jlcr-dhl.:ICl1l.:Y mc.l~urcs fl'T hnlm> .md
<br />nU5lnCSx'S, !;JrnWf" ,lnd Im~;lll,m W;Jll'r
<br />PW\lUCf,. (;In fl'duct' Ih,' \\;:ttl'f dem.md,.
<br />L,j gT"wm~ <':T<'PS .lnd llllpn'\'l' the dfl,
<br /><.:lcnlY of lrn.c..lIll'l1 do:hwfY .md Jpphl.l.
<br />Iwn s~ ~kms
<br />St'\'cr.11 L,mlert~ are kt'y t(l unda,
<br />~t.lIldmg a~ril.UI\Uf,ll W.l!<'f UX and
<br />l.:llns<'T\'Jtwn-~pl'Clhl.:ally. r<,\Urn !l,\I,I,'",
<br />s.lh'agl'd Wa!eL .md sowcd W.llcr
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<br />18 CC'C"ACC F"CUNCAT'CN ..c.. W...TE" EOUCAT'CN
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<br />Return Flows/Recycling
<br />ffl'lll J h,bm\\"Jd,' paspc..:t!\T, watcr
<br />rcc\'.hng. ,lt1U rcux h,l' kmg lxcn prac-
<br />ll,-,'d 111 ,lgncuhure H.1"lllV,lJo: dhclt'llCY
<br />re!ll'<.:l,. ,I ..lr\llnUI'll" ,h'I,' 1'1 \\lthdrawmg
<br />\\JI(r Ifl,"l nnT" I'f .l4Ulkrs, JpplYlng the
<br />\l,ltl'f 1,' U":;';', JJ1d f,'iumm~ what I" nO!
<br />uSt:d hJ,'k Il' thl' SY"lern
<br />\ fl'tum 111'\\ h ,urfJ(i.' W;U,'f l,n
<br />groundw;llo:r th.li rt'turns to n\"l'rs ,lIld ,hal-
<br />1(,\\' J4Ulfef~ Jl\(:r h.:mg pUt W h..>nehoJ,l
<br />uX' RClllm 0"\1'" ,HC n,'t W,lsk'd W;Iler In
<br />f1\'l'r In,m" ,ll1 Jf<)und It)!I'r,IJ,\ the ~mt'
<br />W;lI,'r IS dl\\,ncd Jnd retuml'd to tho: m't'f
<br />.mJ "hJlIl)\" ,lqlllkrs three l(l :'<WlllllllCS llr
<br />11I1're hell'rt' II le.l\l'~ thc "t,ile \\'.Ill'T 11,;,;'f"
<br />d"\\TlSlrl".ml dCI','nd ,m surfJ,c W,ll('f J.nd
<br />tnhllt.l~' gwundw.ll<:r relUm O"ws to fulfill
<br />thl'lT w;u~'r nghts Return Ill)\\"" .ue eon:,ld-
<br />crcd p.H! Ilf tn1." pubhrs W.llt'r rf~UfCI.' and
<br />.lrl" n,.t P;UI 1'[ J11 mJI\'lJual u-...:r'.. \\",lln
<br />right Tre;!t".! ,.ffittem fr,'m J \1'a"tO:W;Ilef
<br />[ft'.llm.:nt pbnl I::. .1ll"lha l)'rll.'Jl cX;lmpk
<br />1,1.1 return nl'"
<br />Ahh\lt1~h f,'lurn n,,\\", alll'\\ I,'r rept':!t
<br />\hl'~ (If the '.In\\' IUln, lh\'~ em also
<br />,'r\':IlI' watcr qualny pTl'hkms :o.lulul'lc
<br />lmg,lllon ,lppll".UII'lb pot\'nll;llly pick up
<br />"<lltS, krllh::l'T", Pl'sll(lde" I)f !n\'lals, :llld
<br />r.lfT)' th..:,;c ,OIlSlltuelll" mw the n\'('f~ and
<br />sh.llk>w ~lOund\\'J.lef
<br />Return n"w~ .Ir( n,lt In.: "-lllle J.S t.lilw:l-
<br />tn lsce h.lh\JII'f Renwny p 1l11. whICh
<br />;1 t.urner l'an k~,llly <:llnUnUe W nlntfl'l.
<br />re(trcu];Jti.' Jnd rc-apph lOlh,' field
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<br />Salvaged and Saved Water
<br />Tht' ]x'''''lhlhtle" lor S,lh-,lgcd \V,Her
<br />from .l~n<:llltun.. ,Ife often mbundcr"II)\,d,
<br />p.lrtlcubrlv 111 In,' ':1)ntC\1 <11 agncuhur.ll
<br />Im~.j[l''ll Dlxlls"",n "f salv~I#'d \IJtfr
<br />"Ik'n Ulrne" .lho\ll wht.'n an Irngawf
<br />rcpLke~ .m ~',uthe!1 dUlh wllh a plpdlllC
<br />The plpl'lLn,' \\-111 br~dy dl1ll1l131e \\'Jlt'f
<br />Il'''! IL' l'\',lJXlr,Ill'lIl l)r Cl)!1SUllled by \\Jta-
<br />11I\'ing rbnts I'f Irl'~'~~nw"lllg. aJong the
<br />dndl
<br />The qu,'sllon then an<,(:" ran.m im.
<br />,>?J.wr Llkt' Ihi, ~.lh-a~t"J-' W.!tfr (whKh
<br />hdt)r... the prpdlllc \\",'uld h,l\'(' C\'J]'Il)r.Hcd
<br />I'r tr,m<,plrcd Jnd nl'l rt'lUmt"d to the n\'cr
<br />or JCjUlfcr) and sell It or ux II to tmg.lll'
<br />more a.:rt"s~ .-\r('''rdin~ W thc Colorado
<br />coun", the ,lllswer IS nl'
<br />L:ndt'T the 5i\uth"us!on \\illrr
<br />C,lIN'n,llhHl DI.'!flll \. ShdllJn Fc.ums deci-
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