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1~L-utcos «-atershed Natural Resource Concerns <br />Mancos Watershed - 14080107 <br />Note: The I\Iancos Consel~-ation District iclentitiecl and prioritized the follojcin~ natural resource concerns on <br />pri`-ate lands clurinn facilitated public nteetinns and are included in their Long Ratt~e Plan: <br />Priorit~~ Natural Resource Concern <br />~~~ titer Resource I\IanaQement <br />Nozious ~~i`eecl Control <br />Rattgdl allCl Illil)f0~"elltelit <br />additional Resource Concerns <br />_~t the request of the l~Iancos Conset~-ation District, an ins esti~~ation jti-as unclertal.en b~- the LJSD.~ Nahual <br />Resources Consetti~ation Ser~~ice in 2001 t~-ith assistance front Reclamation's ITC Region, the Colorado Ri~-er <br />basin states, and the i_?.S. Ueolo~~ical Sune~• to cleterittine the feasihilit~• of implementing salinity control <br />measures on iiri~ated aRriculhual lands in the 1\lancos ~'alle~~. <br />The 1~Iaueos Ri~~er contributes ut average of 42,300 to 43,000 tons of salt amtuall~- to the Colorado Ri~~er. <br />_~pprolintately ZCi,000 tons corms from irri~~ation practices. <br />The proposed prG~ject tti-ill rechice seepage front 60 pereent of the 26 ditches and increase irrigation efflcienc~- to <br />reduce deep percolation on >,400 acres of anriculhtral land. The project plans to convert 225,940 linear feet of <br />earthen irrigation Glitches to unclergrouncl pipelines. _~nother 71,~~8 feet of irri~~ation Glitch «-i11 be treated ~`-itlt <br />poh acid-lamide to reduce seepage. Spriiilaer ii77gation s~~ stems j~-i11 be installed on 4,070 acres: intpro~-ed sui~ace <br />iiY-i~ation s~ stems ~`-i11 be installed ou 1,330 acres. The plaiuted total aiunial salt load reduction is appro~itttatel~~ <br />12,000 tons. The total federal cost of project implementation is calculated as $S,7~3,3i7. <br />Other ~ssessntents and Studies <br />Fur~ctior~crl_4ssE~,cs»~e~~t of thE:.llcmcos iI'ater•sherl: .lla~~co,c I ~~lTz}• anc~_~djtrce»t_~rE~a.c, b~' Peter Stacey-, <br />Departntettt of Biology-, LTiuversitt- of Ne~~- I~IeZico, http: biolo<7~ .unm.echi stacet-Functional°o20_~ssessntent°„ <br />~Oot~'o20the°o?Ol~Iancos~o20Ri~-er°o2iJ~~-atershed.lidf <br />lla~~eo.c i allc~r Sc~linill~ ('ontrolRe7~nrt, i_?SD_~, NRCS, Lake~~-ood Colorado, 80213, Contact: Fraiil. Ki~gle, <br />17 <br />