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<br />SUMMARY (Continued) <br /> <br />Summa ry Ta ble 4 <br />Comparison of alt~E_113tiIT~a_n-,,-- <br />'ATternat'Tve-s-- <br />- Proposed <br />---------Rlan <br />-~/+34.3 <br />+7.0 <br /> <br />c;;al -lining (miles) <br />Buried pipe laterals (miles) <br />Permanent rights-of-way (acres) <br />Private land (Federal acquisition) <br />Private land (MVIC acquisition) <br />Wildlife habitat (acres) <br />Upland <br />I,et landl/ <br />Impact to fisheries <br />Impact to endangered species <br />Cultural resources present <br />Salt loading reduction (tons) <br />Net effect on salt loading (tons)i/ <br />Seepage reduction (acre-feet) <br />Irrigation systems <br />Improved system <br />Automated deliITery system <br />Sprinkler pressure <br />Employment (direct--person years) <br />Construction costs (1987 prices in <br />millions) <br />Increase in annual operation, main- <br />tenance and replacement cost~1 <br />Cost effectiITeness per ton of salt <br />removed ($/ton)~/ <br />11 NC = No significant change. <br />2/ Pluses indicate increases--minuses indicate decreases. <br />3/ Although total wildlife losses would be offset, 14 acres of <br />wetland would be lost--the difference between 89 acres lost and the <br />replacement of 75 acres created through project mitigation. <br />!:../ Under the no action alternatiITe, the SCS on-farm program for <br />removing 38,000 tons of salt would be impacted, but tne reduction in <br />tons of salt remoITed is unquantified. <br />:Jj The total salt reduction is for the off-farm program by tne <br />Bureau of Reclamation and does not reflect the on-farm program of the <br />SCS. <br />i/ The net effect includes salt loading for the Dolores Project <br />from irrigating new project land and the seepage of project canals minus <br />the salt remoITed by lining MVIC laterals, abandoning MVIC ditches that <br />seep, and combining an MVIC lateral and ditch with flows of the Towaoc <br />Canal on the east side of Cortez. <br />2/ Would be reduced to $ 74 ,000 annually upon cOr.1pletion of the 10- <br />year salinity control monitoring program. <br />fl.1 Cost effectiITeness reflects the annual cost for each ton of <br />salt removed from the Colorado River system. <br /> <br />Existing <br />condition <br />--------- <br /> <br />161 <br /> <br />125,534 <br />10,310 <br />NC <br />NC <br />129 <br /> <br />NC <br /> <br />No <br />No <br />No <br />NC <br /> <br />NC <br /> <br />5-19 <br /> <br />No <br />action <br />NC.~J <br />NC <br /> <br />NC <br />NC <br /> <br />NC <br />NC <br />NC <br />NC <br />129 <br />NC~j <br /> <br />NC <br /> <br />No <br />No <br />No <br />NC <br /> <br />NC <br /> <br />+1,410.5 <br />+297.2 <br /> <br />125,548 <br />10,296 <br />NC <br />NC <br />129 <br />1/24,500 <br />+18,650 <br />7,900 <br /> <br />Yes <br />Yes <br />Yes <br />215 <br /> <br />$23.168 <br /> <br />91,400 <br /> <br />83 <br />