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~ ~ o~~~ "Salinity Upcla cof'1';:~ :~@ "'...,. :4r~ , ~Qf) ~ - Lower Gunnison Basin Un"- NorthFD<1<Area SalinIty CQfltrOl Investigations are SCheduled to begin inearty 1964 on the NQrttl Fork araa of the Lower Gunnison Basin Unit The un!! IS lOCated In west<::antral Colorado and its entire area encompasses the Lower Gunnison River drainage area dcrwnstream from the Black Canyon 01 the Gunnison NatIOnal Monument and upstream lrom the confluence of the Gunmson and Uncompahgre Rivers near Delta Planning studl8S on the Uncompahgre Valley portion 01 the Unit have been completed lnvesllgahons on the North Fot1l. area will be conducted separately under the authonzlng leglslatlOn_ The North Fork area consists 01 Irng8led lands along the Gunnison River and NQfttl For1\ of the Gunnison River within the boundanes 01 the North Fork, SrMh Fof'lo;.. Fl\lrtland Mesa. and the Grand Mesa Water Con5el'Vancy Distncts The study will ooncentrate on idef1tltytng and Quantifying the off-farm sources at salinity and formulating alternative solutiOns 10 diminish the salt loading 10 the nver system A preferred alternative plan will be recommended based on oost~tfectl'...eness and acceptability _ Very hnle infOfTTlallon IS avallaWeon salinity as It relates to the private imgatl()(l systems in the study area. The numerous natural drainages appear to I'BCe1ve ma.imum use lor dlvefSions and return rlaN An InvantOl)' 01 the Imgallon Systems IS expected to compnse a maJOf pan 01 the effort In the early stages of the study A plan 01 study is now undel"N8y whICh will generally geIthe oourse for the study and outline study procedures The Inves\lgatlOl1 is e:o:;pected to take abOut 5 years. The Soli ConservatJon ServICe (SCS) haS completed a study 01 potenhal on-farm Improyernents In a 171.co:>-acre study area which encompassed bOth the Nonh For1t and Uncompahgre Valley areas. and their recon1meodatlOl1s are presented In a report entitled Potential for On--Farm IrngatlOl1 Improvements, September 1961 The salinity problem IS believed to stem from Imgallon flO'NS seeping tht'OOgh unlined canals and laterals. dlssotvlng the pnmanly gypsum sa!ts and eventually entenng the - - - - - - - - - U.S. Department 01 the Interior Bureau 01 Reclamatlon A Quarterly Report on the Colorndo River Water Quality Improvement Program J.nu.ry1984 '\~!t, '1~'~~~:..~ '~":::~ \"o(./,,{; ("'. \ -' i ') ; \\ V,.",...",L ! \ "'"I''~''''' ) ( ! ~.. r' I" c~~tL/ ~:: "'.~ !~" ~::'t"'o,,,, f :l ~ \. "....,.. \ j.,/I : " "o"J'O.'''' I , , J :lo~ ~'o ." -'1\ ' . . . '--- ., ":J'~---- J I ; ;: ~ ! .... /: j 're";'.> ' 1',"- . , '. , "". '.... I YJ , NORTH FORK AREA LOWER GUNNISON BASIN North FOrk GunnISOn Rrver and consequently the Gunnison and Colorado R""" haS also WOriI.ed tor General EIectnc and General Motors Mr Welles served as a consu~nt to lt1e UN Conference on the Human EnVlfOflment and alSO Chaired the Colorado F rant Range Project. Jack Ravan haS been nornlnated 10 sucoeed Ene Eidsness as Administrator lor Water Programs Mr Aavan haS been director Of prOjElCt deveIopmentfortheCIean Water Group at 'WheelabratOf..frye In Atlanta He has beef'! chalnnan of the Southeastern Bastn CommISSlOO. and from 1971 to 19n, he was RegionaJAclmlmstralor for EPA Region IV (Atlanta). EPA Key Per1lOIlnel John Wel~ has been appointed AeglOO8l Administrator for RegJOn VIII 01 the Environmental ProtectIOn Agency Mr Welles was V~ President lor Planning and Public Affair!; at the Colorado School of M!nes. PreVlOUSIy, he was the head of the Induslna! ECOf1OITlICS DlVlSIon at the Unl\lel'Slty of Denver Research InstlMe and