|
<br />'--"'1\
<br />"
<br />
<br />l,OHER GUNNTSo:-: F;~lT SEIXCT1:D ALTJ';l{,';ATIVES SlllT'l;\J~Y
<br />-------~---~--_.- _._--~
<br />
<br />(COc.tti [or Comparison Purposes Only)
<br />
<br />Alternatjvt.:
<br />
<br />Salt
<br />Remove.d
<br />(Tons/ yr"L
<br />
<br />Total
<br />Cost
<br />(x $1,000)
<br />
<br />CClst
<br />Ef[('cL.l\"L'np~~;
<br />--LV-"";LI,l..,,
<br />
<br />Concrete line all canals and laterals (conduits)*
<br />
<br />253,000
<br />
<br />104,000
<br />
<br />292,ODO
<br />
<br />Concrete line large condui.ts, pipe others
<br />
<br />280,000
<br />
<br />144; 000
<br />
<br />356,000
<br />
<br />Concrete line only deteriorated conduits
<br />
<br />165,000
<br />
<br />57,000
<br />
<br />256,000
<br />
<br />COncrete line only east side conduits
<br />
<br />156,000
<br />
<br />48,000
<br />
<br />21,2,000
<br />
<br />Consolidate part of east ...;ith Selig, concrete
<br />line remainder of systems in vallf'Y
<br />
<br />253,000
<br />
<br />107,000
<br />
<br />300,000
<br />
<br />Retire 12,000 acres 6H land fl'om east side,
<br />concrete line systems in valley
<br />
<br />293,000
<br />
<br />115,000
<br />
<br />278,000
<br />
<br />Retire 12,000 acres 6W land from east side,
<br />concrete line deteriorated parts of systems
<br />
<br />216,000
<br />
<br />72,000
<br />
<br />248,000
<br />
<br />Retire 8,000 acres in one area, eliminate
<br />conduits, concrete line remainder of conduits
<br />
<br />203,000
<br />
<br />67,000
<br />
<br />244,000
<br />
<br />Plastic line all conduits
<br />
<br />253,000
<br />
<br />129,000
<br />
<br />361,000
<br />
<br />Sprinkler 70 percent of land in valley, concrete.
<br />line remainder conduits .,
<br />
<br />295,000
<br />
<br />144,000
<br />
<br />333,000
<br />
<br />Other Alternatives Considered
<br />
<br />No Action - continued leaching of 400,000 tons of~salt/ycar
<br />On-farm improvements and IHS - available figures not solid enough for comparison purposes
<br />Limit diversions - need approval of water users
<br />Earth lining - borrow limited and remote; no data on altering in-situ soil for lining purposes
<br />Desalting plants - much too expensive; hi~l energy use
<br />Sealants (enzymes. chemicals) - unproven materials, meaeer data available
<br />Combination linings - several variations were considered. more exPensive than above
<br />*Condults Lrc defined as conveyance systems (i.e., canals and laterals).
<br />
<br />.\'
<br />
<br />3
<br />
<br />00(863
<br />
<br />('
<br />
|