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<br />INTERIOR ROLE 10
<br />
<br />INTERIOR ROLE
<br />
<br />h'd('ral conrdmallon lS ilccorn-
<br />pllsh,'d U5Ln.'!: Ih(' lead ,lgene}'
<br />C0flCt'pt R.x]amahon, actin/; <IS If.'3d
<br />"Reoe}' f\lf tht'!X-crclilry. has lht'
<br />fe<'ronsll'-dIIY to lmp!eml'nl s.,liruIY
<br />((>nlto] n1l'i1SIHl'.. lnh'tilgl>ncy
<br />((mrdm,l!ltln bl'lw"N\ [ntem'T .lnd
<br />USDA is formalll''I.i through a
<br />Sl'fll,,,nfll'mt,',.:;rt'!'mt'nts,'\("CUlt<,.l
<br />,11 Illl' dep"rtml'ntallt'H'[ Coord,.
<br />nallr'fI ill thl'fll'ld admLnlSlrat\\'1'1
<br />tlochnl<:allt'\'l'\ IS ,,(('omplisht'd
<br />thmuf;h thl' C(1!nfildo [~i\"'r
<br />Inkra,.:;t'ncy S"hmIY C0nlrnl
<br />Ct1rnmillt'I'
<br />
<br />Bureau of Reclamation
<br />
<br />Umb ,luthoflZI'd lor constructIOn
<br />,Ht'tnl' l.t.lnd V"ll(')'. P,uann.
<br />Vall.,}'. Las Vl'~.H Wilsh. Lower
<br />Gunnl<,on H,ISLn, ,md th,' ~lcElm(1
<br />Cn....!< Unll as" pMI of thl' Dolnr.'...
<br />rro)l'Cl Tlw fn1nIISpll'Ct. map ShllWS
<br />all unll~ und,'r (unl'nt In\'!'~Il~.lllt\n
<br />,lnd Impll'm,'nl.ltlon.
<br />
<br />!~,'c1,'rl1.11,,'n'.. ft'n..lruClll'n tit thl'
<br />r.r,md \. ~lIt.). Unit Sl;l~l' Onl' I"
<br />"olll]'l,.t" c\ f,l'ldq,lt,on,7md",,(lf
<br />thl'111~;hllnt' C,ln.lllinlng. ilnd tht.
<br />,1~~ocl;lto'd plr" l;lt~r;l1 con..tnKlIon
<br />w"TI'lonl~tll'd for tIll' ltll;:\HrI):;i11\llrl
<br />~",l~'on ..\ m(l~" .lnrl d,'brl~ rt'nUlv,ll
<br />~truCluT!' W,l" blllltlo Cllrltrnltht~
<br />lr.l..h prnbl,'m.. In tilt' lin..d (,'n,ll
<br />
<br />lh'..ull.. from St"gl' Ont'llrl..ltl'
<br />m"rlllnrIrlE wl.rl.l....,'luilh'd, JnJ lilt'
<br />lonln~ prll1;r.lm ,.. fI.dIlCll1f; sail
<br />IUill11rl~ by 21.400 ton!> pt'r yt'ar.
<br />In St3RI' Two, llw cnnstructillfl of th",
<br />v..'('~tl'nd GO\'l'rnm,'nl Illghlin,'
<br />
<br />Cbf)U
<br />
<br />11 INTERIOR ROLE
<br />
<br />Can,,1 w"s completed with "n
<br />add1flonal 25,600 tons of s"lt
<br />ptl"Cludf.'d from f.'ntt'rin~ th.. rin.t
<br />sy!'ttemannu"lly.
<br />
<br />PnadOll Valley in S<1uthwestem
<br />Cnlot"do is a collapM'd salt anhelm!.'
<br />und",r1:11n by a salt d(lme The
<br />dome adds about 205,000 l(lns of
<br />salt annu"ll}" to the Dolorl;'S River
<br />!rom grnund watN which origin"tt'!>
<br />on the v.,lI..y, Tht' plan IS desq.:~m.>d
<br />10 prt'vf.'nt 180,000 tons of sail
<br />annually from t'ntl'rm,lo; thl.'
<br />Col(lr"do R,\.t'T sy!'ttt'm by pumpln~
<br />the salml' ground water (bnnl' of
<br />260,000 mg/L TDS) !rom !'ohal1ow
<br />colll"Ct]('n wt'lIs ,11onf; Iht' Dolort's
<br />RI\'N, thus prl'vt'nhn~ It !rom
<br />surfacin~ in the tin'rbed
<br />
<br />Reclamation cooperatt'S with
<br />USDA m tht'ir dfMts in Ihe Gr.md
<br />Valley USDA's program If'Ivolw'!>
<br />Inst,lll.llion of underground plp'''-
<br />lint.... and ditch IImng, land lL'wlmg.
<br />and lmpro\'!.'ml'nt (ll surf"Cf.' Irn-
<br />g,ltlon systems il11d olher (lnfarm
<br />practlCtS SpecIfiC USDA accom-
<br />pl1shm,'nts arl' discusSt>d l"tl'r in
<br />this document.
<br />
<br />Momtonn~ thus far hilS sho.....n a
<br />ll'duction If'I !>al! load of about
<br />109,000 Ions annually "s a result of
<br />cnmbmcd USDA and Rl'Clamallon
<br />dft'rts If\ thf.' Grand Yal1t'y an',l
<br />
<br />D,'t'p-wdl in)I"Chlln w.h ~dt'CIt<J
<br />as a te!'tt Illt'thod to di~pllSt. of the
<br />brinl~ becilUSt' It IS ll"Chnically snunJ
<br />,lf1d l'nvlrilnmentally .md t"Conllml-
<br />c"lI~' ,\ttr,lCll\"t'. A testmll'Clllln
<br />well hoH, bem drilled tn a dl'plh of
<br />It'l.CXXl ft't'!. Conslructlon of ,1
<br />"\lIf,Kt, collec-tlOn "......km and
<br />tfl'atmt'ntf,lcllitws'iscomrletl',oHld
<br />Ihl' faCllitlt'soHt'bf.'mg tl'Sted
<br />
<br />Rf.'clam<lIlOn purcha5t'd O\'l'r
<br />~OO anI's of n"'l.'r bottom lands "net
<br />sought tram. fer of t>\"t'r 500 acres of
<br />"d)arent BL\1lands to df.'vt'lop a
<br />wIld lift' m.ulagement "Tl'a If1 Grand
<br />Vall...y to mitlgat(. for impacts to
<br />wetland .1nd ripanan hdbitats
<br />ass,l(iatl'd wlthCt'nslructllln l,i
<br />s"lmllycontrollt'iltur,'s
<br />
<br />Tht' :tlcElmo Cre...k Unit s.\llf'1lty
<br />Cllntrlll fl'i1tun'S WI'W lIlcludt'd in
<br />th,' Oolnfl'<' rmj!"ct b\' ['ublic
<br />1.,11\" tjH-Sh4 mlQS4 S,11lmty contrnl
<br />Indudl's (1) combmlng tht' RlX",-
<br />h'rd C.ln.1lmlo th.' TOW.lllC Callal.
<br />(2) 11f11f1~ lht' Tllw"'-I( ,-",moll tn
<br />pn.\"t'nl <,l'I'p"f";l'lnlo lhl' !>ilhnl'
<br />/,:round.w,llt'r ~y..l,'m, ilnd (:1) llnln~
<br />",'II'ctIH'roftlonsol thl' LOllI' I'ml'
<br />.md Un'l'r Ht'fm,ln.1 Llll'r.1J... \l"..t
<br />oj tht'''l'/Jc,llIws.ul'nl'oHmf';
<br />romplt-ll<\n
<br />
<br />Rdl,n'm\tlolllonl1fs..1Iimty
<br />((\ntrol acllvitlf.'s, tht" t'ntlrl' Gr.lnd
<br />Vallt'y clmtrlbutl.'d an .Wt'r,lgt' of
<br />'iRO,CXXl hln~ol s,lll ilnnually to thl'
<br />Cllltlfildo RIVI'T. M,'st of the ,.lIt I..
<br />11',1cht.J lwm th.. <,llllilnd undl'r-
<br />Ipn~ m.Hlnt' ..halt' by Wilt.'f
<br />ddlVt'ry ..y!>tl'm l{l~sl's .lnd d''t'f'
<br />pt'rcol.ltlon from tWI'f1fflg.1tum m
<br />djl;flcultural i1Tl'a~ Tht' total USDA
<br />,md Recl.lmatjnn effort.s 10 the
<br />Grand Valley .H.'a aff.' I'Xpt-'Ctt>d to
<br />rl.'duce thl' sail load by about
<br />:mo.OlXltl'nsol.nnually.
<br />
<br />Tht' tOWN GUllni!>on 8.:1sin Unit
<br />\\'llll'bmtn,ltt'wmt..rl1n'5-tllrkw<1ll'r
<br />del,\'l'TIC'S pn~t'ntlv m,ldt, Ihwugh
<br />tht, Uncompilhgrt' Vall..)' Wat..r
<br />U'-'f.'TSC,lnill sysl('m Cilnal s,'t'P.1".'
<br />
<br />losSl~s dIssolve <',llts .l!> thf.'Y r.''<s
<br />through salim' SOlis. Stockw.lter
<br />WIll b(' pnwuk',,-{ h~' .>\p.mdmg th.,
<br />existmg cullf1,lr~' h-atl'r s)'!'oll'm
<br />usmg small.di,lm..ll'r polyvinyl
<br />chlond!' plPI' .1nd slock tiln~s_
<br />Dl'sign and construrhnn l,f th,'
<br />watl'r dl'llvl'ry systt'm is heinl;
<br />accnmpllshl'd hy thl' 10<.'.11 w.ltl'r
<br />USt'rs thTtlugh rnnstrurholl
<br />CllOpt'ral1\'l' ,l~fI't.'m,'nts WIth
<br />Rt'cI.lm.ltllln ~l{)sto/lhl"'I'f,l(ditlt.,<
<br />.ltt'nl'MIf1/,:compl,.tl"n
<br />
<br />Fllrtht'LH\'q';.:I"\\',l!>hLJnit..1
<br />'1, 'j-mllt' plp,'lm"(Plllm,ln llt'p.l<,Sj
<br />Ctl]l<;truclt'd Indt.tO\lf /rI",h \\'.1It'T
<br />,Ho.md Solin\<' >>(\1].; IS t:l'mplr-,tl' .1nd
<br />In "pI'rol!l11f1 Th.. t'~rt'cll'd ",'1t lo.ld
<br />rt'duclllln 1~ J,Il00 ton.. .mnuallv
<br />
<br />Olhl"riICti,,'itil's undt'rtht'
<br />Color,ldo Hi\'er W.lter QU.llity
<br />Imrrovl"ntt'oll'rngr.:lln (CRWQIP)
<br />hilt'P Pl"'fI or ,\fl' und,'r "tud\' ,lf1d
<br />Mt'C,111'/-iPflll'dbvthl.t\rt.o!
<br />("ntru! m"thnd bl'ln/-i !>tlldlt.J k'f
<br />l'.Khumt
<br />
<br />Irrit-:.1tioll ~O\HCt' s.11inilyulll-
<br />tml Jrlidti,'" wlth,ll Ht'C1.1m.ltu'n
<br />would rl.duCt. ",lit I,Mdong hy
<br />IOlrrn\'ill~ nn';,ltll'n ,It<llvt'ry
<br />"\''''!<-msth.llnm,'ntlyk.1Chs.llt
<br />from m.H\n,' ~h.llt'" .11ld other sahrlt"
<br />""UfC,'<, lr1.1ddltl"ll ...,c,'n<,trucl"'11
<br />Mtl\"ltlt'''"1Cr.1l1d V.Illt'\' ,lnd
<br />[),\],'rl's I'r"I,'cl.1W"..(!nrnwdv
<br />.\kFlm"Crt't'" UnIt), pbnmnl';
<br />c"nt1l1\II" 111 th,' I ,11\""1 r.\lnni~"n
<br />1J,l~;n Unit III (.,lPI.ltj" .md tht'
<br />S.ln Ju,1I1-lfJmr1lc>nd Unit on ~"w
<br />.\It'Xll',,. ~tudl,'<,"l lht' rfin".
<br />SJn [elf.wl r\iH"~ L:nit .1lld l)w
<br />L:int.:l BJ~in Unit on L't.lh h,wl' b\'t'n
<br />rt1mplt.tl>d,lnd.1rl..,W.llllll!-':flll.11
<br />lmpl,>ml'IlI.llUon
<br />
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