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<br />VALLEY
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<br />PRQLECJ_ OmR! PT! 011
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<br />THE GRAND VALLE" UNIT OF THE COLORADO R [Vf'~ B.\SIN SALlrnn
<br />(ONTROL PROGRAM ISlflCATfD ALONG THE CClORt,[I) RIVER IN
<br />NORTHWESTERN ME';A CJWHY OF WESr-CF'ITRAL (OLCPADO.
<br />THE DVER,\Ll lItj I r WOUl!) ilE DtS IGlj[ [1 TO 1'1 [liLX [-. lilt: oAL ~ I 'lA,,-
<br />1115 OF THE (rIU111ADil R rVER I N Till ~~r,rJ[) ',.\r I L, ,\B,"'1
<br />41 n, ~on TONS flNIlU,\LL Y BY OECRlAS IN" "'l (IF !~" I r,A-
<br />T ION RETURN FlOI~S AND CONVEYANCE ,>Y31 [).' '.[f r",:~ ~cvl'l::;
<br />THROUGH SALINE ';UBSTRATA A'W rrC,,:'J3 U'- <."....1' A 1'<'/",,1'1
<br />SYSTEMS IMFROVEI1ENT PROGRAM WOULD ~f (,11,:' 'rEt' SY 11-'f:
<br />BUREAU OF RECLA:1ATIOtl IN WHIC'-1 CM,!\L3 {-~,: ..\ ;L~'AL:, '.'il; JLD
<br />BE liNED OR PLACED IN PIP!; TO R,-r";CE :;I:ftrr, A~ [~PLGA-
<br />lION MANAGEMENT SERVICES (I~\S) Ir;'."~,i" I, :'''E'-;ENTL', RUNG
<br />CONDUClED BY TH', nUREAU IN CON.'I'I,r 111'N \, lTll l"E I NJ T T[1
<br />PROVIDE IRRlGATI1RS WITH PlllCI',f "_\fA r"W-l";iIW, (;q!i"\:~'
<br />TJI-'ING AND APPLICATION OF IRRl',:.; I'," ""','.TL'L ,Hl-r,\~" lM-
<br />PRO V [ME N r S , lt~ C I. un I N G U r (, R l\ [I !t~'. III 1 :; ~ I ' t. r It' 'I S y ~ 1l .,<; R'v
<br />COST A~;SISTANCE, IMPROVEMENT CF IR',I:;ATIO:1 MM,A,~l"r'IJ,
<br />IMPROV[M(tiT 01 'jRAZINr. UNDS ^'~:1 r'i;A~lln~ ON fRIVl\Tl
<br />RANGEl.AND, MID '/OLlINIARv WIl-OLlff tWPO,~"~iiT ~~lASUII['i
<br />WOULD BE COIICJUC TED BY THE SrlL cOt~S[II',,\TIL'N SEIlV ICE H'
<br />REDUCE DEEP PER,:Ol-ATION FROl1 FAR/-' OP~RATII"~,~, A ....1i..DLl~E
<br />AREA AND WATERI'lG porms WOlilD BE PROV!C1~n Tn CC"FE:,'O..\H:
<br />FOR WILDLIFE LO;SES,
<br />
<br />THE Utl!T WOULD ~E DEVEllWED IN -;rr'~l', T,) i,l.LOW THE ~'I"EAiJ
<br />OF RECLAMATIflN TO BEGIN COtlSTPlcrl',',~ l~~ A P(HHI8N 0'- T"~
<br />VALLEY WHERE PUNS AND DESIGNS /IRE (U~I"LET[, WHEf;[ SWrl-
<br />CIENT DATA ARE WAILABlE TO ASSicS'; THf P"-ACT OF T"E
<br />INITIAL DE-,'tlOP,~ENT WHIl-E INVE:;f\G,\TlnIlS M:D PLMNI'.G (lllj-
<br />TINlIE ON THE RE;T OF THE lINTT, AND WHERE nUIRO"lMEIITAI.-
<br />IMPACTS WOULD 11')1 BE SIGNIFICANT.
<br />STAGE ONE WOULD Hl'IOLVE THE CONC~ETE L1~lrl' ArlO REHABIl.-l-
<br />TAT ION OF 5TRUCfliRES ALONG A ~.7-MJLE SECTIOII O~ THr
<br />GOVERNHENT HTGH_IN~ CANAL IN THE WESTERN END Cl= T"l-'.ALU_Y.
<br />FOURTEEN LATEP^_S THAT NOW SERVE THE AREA UNDER n'E (.'NAL
<br />SECTION TO BE LIIlU:: WOULD BE CONS\1LIDATEJ IN-:O ~2 A"ll
<br />PLACED IN PI PE SECTIONS, AnOUT 6. ~ M1LL~ f:F INTEl<, ,'-T,'1l
<br />DITCH AND H'REE sr~,I,LL DETENTION PONDS WlJUl.ll BE cor'S;"'ICTEJ
<br />ABOVE THE CM,AL SECTION TO PREVENT RUNOFF FROM rNTf<<'tr,r,
<br />THE CANAL, SOME EXISTlNG CROSS-DRAINAGE F('ATIIRES "-~'L;)
<br />[IE ENLARGED. A FIELD STATION WOULD BE conSTPuCTU:: /lS !'^qT
<br />OF TilE STAGE OilE DEVELOPMENT FOR USE AS A CO'IST1'U':T:,H~
<br />Hf.ADQUARTERS AND PERMANENT OPERATI N[' FAC I LIT J r'~ F OJ! 1'1
<br />ENT IRE UNIT. TJ COMPENSATE FOR WILDLI FE HABITAT LO" t
<br />AIm TO f'ROYIDE l\DDITIONAL HUNTING OPPOllTlI'HTlES. AN ~~
<br />OF SUITABLE LAND WOULD BE ACQUIRED AND IN1Tf'ALLY DE,IEL ~l~,
<br />AND A WATERING POND WOULD BE CONSTRUCTED ABOVE THf ("oj ~II-
<br />MENT HIGHLINE C~NAL.
<br />
<br />THE GRAflD VALLEY UNIT IS PART"OF THE COL(--
<br />RADO Rlvn' BASIN SALINITY CONlllOL PROJECT
<br />AND IS DE~,IGNED TO PEnUCE nlE INTRon~ICTI')N
<br />OF SALT INTO THE ttAINSTREAM OF THE. (OLORA;)('
<br />RIVER. THE PROJECT WAS AUTI-IORIZED FOR cr'~~-
<br />STRUCTION BY THE COLORADO RIVER BAS!N SALIN-
<br />ITY CONTROL ACT OF ISlH (PUBLIC LA'" 93..,:0)
<br />AS PART OF A BASINWIDE PROGRAM TO MAINTAIN
<br />STATE, FEDERAL, AND INTERNATIONALSALlNtTY
<br />STANDARDS IN THE COLORADO RIVER WfflL[ THE
<br />C 0 LOR ADO F~ I v E R BAS INS TAT [S AND T H [ REF' t: P; LI C
<br />OF MEX [CO CONT I NUE TO DEVELOP AND U~~ TH[!R
<br />APPORTIONLD SHARES Of WATER FROI-\ 11'1: RIVER
<br />AND ITS TfUBUTARIES, 111LE J OF THE ACT,
<br />WHICH WAS DIRECTED TOWARD CONTROLLING THE
<br />SALINITY OF RIVER WAHR BELOW IMPERIAL DAM
<br />FOR USE Itl THE UNITED STATES AND MEXICO,
<br />AUTHORIZED THE CONSTRUCTION OF A DESAl-TllIe:
<br />COllPLEX AllO OTHER MEASURES TO ENSURE ACUPT-
<br />ABLE SAL 1I0TY LEVELS, TITLE I I, WHICH WAS
<br />DIRECTED "OWARD SALINITY CONTROL IN THE
<br />UtHTED STllTES ABOVE IMPERIAL DAM, AIJTHCP-
<br />TZED THE CONSTRUCTION OF THE GRAND VALLEY
<br />UNIT AND THREE OTHER UNITS AS THE INITIAL
<br />STAGE OF THE COLORAr, RIVER BASIN SAUNlTY
<br />CONTROl- PI10JECT. I I ALSO DIRECTED THAT
<br />PLANNING REPORTS BE _xPEOITrD ON 12 ADD1-
<br />TlONALUNITS, A THIRTlENTH UNIT HAS BE[N
<br />ADDED FOR STUDY SINCE THE PASSAGE l'F THE
<br />ACT, PRELIMINARY INFORMATION AND CU!"ULA-
<br />TIVE II\PACTS FOR THE 1(. ORIGINAL UNI TS IN
<br />TITLE I I HAVE BEEN PRESENTED IN A FINAL
<br />ENVIRONM[IHAL STATEMENT ON THE COLORA~O
<br />IJIVER WAn:!' QUALITY IN'ROVEr1ENT PROGRA~
<br />(F~S 77-1i), THE STATEMENT WAS PREPARED
<br />BY THE BUI<EAU JF RECLAMATION IN THE DEPART-
<br />MENT OF THE INTERIOR AND THE SOIL CONSERVA-
<br />TION SERVICE IN THE DEPARTMENT OF AGRICULTURE.
<br />
<br />SJAJUS/SCHEQlJLE/JIJI1JlJI!G
<br />
<br />AN ENVIRQNMENTAL ASSEssr1ENT COVERING THE OVERALL UNIT
<br />WAS PREPARED AND DISTRIBUTED FOR REVIEW IN DECEMBER
<br />1971. AS A RESUU OF THE ASSESSMEtlT AND THE SUBSEQUENT
<br />REVIEW IT IS THE INTENTION OF THE BlJREAU OF RECLAMATION
<br />TO PREPARE A NEGATIVE DETERMINATION ON STAGE ONE OF THE
<br />UNIT AND PROCEED WITH CONSTRUCTION, A DRAFT ENVIRON-
<br />MENTAL STATEMENT [S NOW BEING PREPARED FOR THE BALANCE
<br />OF THE UNIT.
<br />
<br />A DEFINITE PLAN REPORT FOR THE STAGE ONE DEVELOPMENT
<br />IS SCHEDUL.ED FOR COMPLETION IN JULY 1'178. FURTHER
<br />INVESTIGATIONS WILL BE CONDUCTED PRIOR TO PREPARATION
<br />OF A DEFINITE PLAN REPORT ON THE SECOND STAGE OF THE
<br />UNIT.
<br />A 12-YEAR CONSTRUCTION PERIOD WOULD BE REQUIRED FOR
<br />CONSTRUCTION OF THE OVERALL UNIT. I T IS ANTICIPATED
<br />THAT CO~ISTRUCTION WOULD BE S1ARIED ON STAGE otlE IN
<br />I'J7B AND THE ENTIRE UtIlT WOUl-D BE COl1PLETED IN I'lBSI,
<br />A )-YEAR CONSTRUCTION PROGRAM WOULD BE REQUIRED FOR
<br />STAGE ONE, A CONTRACT FOR CONSTRUCTION OF THE FIRD
<br />STATION IS EXPECTED TO BE AWARDED IN THE [ARLY FAl-L
<br />OF 197Q,
<br />
<br />THE FYl~7B PUBLIC WORKS APPROPRIATION ACT ItKLUDED
<br />$l,JOO,OOO FOR CONSTRUCTION OF THE GRANDVALLEV UNIT.
<br />THE PRESJDENT'S BUD(;ET FOR Fy1979 INCl-UDES $4,159,000
<br />TO CONTINUE CONSTRUCTION OF THE UNIT.
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