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<br />IZONA
<br />I REJECT CHANNa.
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<br />lNTERNAXIONAL BOVM>ARY
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<br />. _, , Den_ PMt May by Ray Kulickl
<br />. DESAlml<llO'PIANTTO BE BUILT BY UNITED STATES NEAR YUMA, ARIZ.
<br />n:Jillion"plcmt. Is ,~esigned' for- 90 million gallons of tOp.grade water a day.
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<br />$115 MILLION 'ROJECT 34 THE DENVER PO.5T Thur&..:
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<br />Colo. River OesaltingPlan Activat
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<br />By DAN PARTNER 1 _ will he c<lmpleted in late This program will involve are let_ for the plant" Lopez the Wellton-Mohav
<br />Denver Post Staff Writer 1978, Lopez says. The desalting computerized tecblIiques to con~ said, but it will be a membrane avoid water Iogg
<br />W hen the United States plant is a $67 million facility trol the _aInmmts of water and type, either electrodialysis Or The 1944 water j
<br />agreed Aug. 31Uo desalt Colon. designed: for 90 million gallons ~tering frequencies by use ~f revers; osmosis. It is)IOSS,ible, 1.5 million acre-:fe
<br />do River water allotted to Mex. of top-grade water per day. climate. crop types and soil he said, that both. processes annually but mad
<br />ico, a Denver~based task force- OUT-SIZED MATEIUAlS '. ~t&: Government ~d in the could be used. in. the plant. , . ,provision, regardil
<br />or engineers' started the count- The pIant~s conversion pro- district may be retired,. and. The electr~yS1S. p~ocess Die water.
<br />down fm- the launching of the cesses will be conventional, but acreage purchased f,ro~ pnvate use~ an :lect-nc current.to, ~~w Until- Glen Can)
<br />$115 million project. the mass and out-sized materi- o~ to_ reduce the SIZe of the sodium rons and chICln~ 100;S pIeted, Mexico v
<br />-B u rea u of Reclamation als needed for construction are district and . tbus cut the from the water, lea~ _1t more water thai
<br />(BuRec) _and Office of Saline expected to strain the' capacity amount of s~ wate~ :from fresh. The reverse osmosIS sys. called for and thE
<br />Water (OSW) personnel at of suppliers. the area that must be disposed tem uses .pressure ~ the ~ater good.
<br />the Denver Federal Center At present, what was. to .have of.. to f{)l'C~ It through a s~-~- -With - the closin@
<br />now- are preparing "smooth" ~ the largest de~alting, plant The quality of wat6' fro~ the m~~ ~rane, leavmg lID- and start of the pl
<br />copies of a __haIf-dozen _ d{)Cll- 15 unde: construc~on at Foss new plant, Lopez ~ars, Will be punties behind.. !ions, the average
<br />ments, to,supplement the salin. Re~ervolX', near_ .Clinton,. Okla. 910 parts per ~on (ppm) ~ IN 1961 ity of water deli-ve
<br />ity agreement sought by -Me_xico ~~ B~c facility, co~ .$2 when bl~ded Wlth untreated The quality of water for use at the 'main di,
<br />for 12 yea'rs. million, Will produce 3.5 nuUlon water. This Is better-water (by by Mexico, became an issue in More1os Dam dot
<br />Manuel Lopez Jr., OSW's gallons (If fresh water per day. 55 ppm) ~ r~ed in the 1961, with the completion, of the 1,500 ppm. '
<br />western field office supervisor, In addition to Congressional agreement With MexICO. Glen Canyon Dam and' the start U~S. Public HJ
<br />is coordinator of the complex approval, there are several ; The process used fOr desalt. of pumping of saline drainage -standards range I
<br />project .which will have a other unsettled problems, such mg wOl).'t be _ decided - until bids into the Colorado River from to 1,000 ppm.
<br />strong future impact -on dis- as the environmental impact -;',' .... ,.. .... _'
<br />tribution (If CoI(lrado River and cooperation of water users, :
<br />water in the southern basin. including those in _ Ar.iz,ona's ;
<br />Chief p~r' and BuRec coor- We1lton-Mohawk Irrigation !>is-
<br />dinator is Philip J. Roth. trict. -
<br />Major item in the project will mtimat~ly, the project will:'
<br />be the world's largest desalting result in proposals fur ,cloud-
<br />facility, to be built nea.r Yuma, Seediilg projects in the upper,
<br />Ariz.. But the facility, offers Colorado River basin, including:
<br />. fewer problems than (lther ele- Colorado, to increase the river's'
<br />~ments- of the agreement that fl- floW
<br />lially . settled an issue that REJEcr CANAL
<br />,?Iagued Presidents Kennedy, In addition to the plant, the .
<br />Jobnson and Nixon. and an project includes a 53--mile-Iong
<br />~quaI number of MexIcan pres- reject canal to carry brackish:
<br />ldents. . water irom the plant to the-'
<br />The project.-, if C<lngress SaIita GIara Slough; lining 49;
<br />_approves the _plan this session 'miles of the Coachella Canal'
<br />and authorizes funding by.April (to save 132',000 acre-feet of
<br />" > .. -,' ,. water annually), and installa-
<br />'.~'" .,- >:' . . lion '.of . an irrigation-:
<br />.-" " -; manageme'nt program. in the
<br />WeUton-Mohawk district.
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