Laserfiche WebLink
<br />TABLE 1-2 SUMMARY OF CANDIDATE PLANS il <br />LOWER GUNNISON SALINITY CONTROL STUDY, COLORADO <br /> <br />Plan Description <br /> <br />Action <br /> <br />1. Continuation of Ongoing <br />Programs <br /> <br />2. Irrigation Water <br />Minimum Level - <br />Selected Areas <br /> <br />Hgmt. <br /> <br />3. Onfarm Ditch Lining <br />Minimum Level - <br />Selected Areas <br /> <br />w <br /> <br />4. Irrigation Water Hgmt. <br />& Onfarm Ditch Lining <br />Minimum. Level - <br />Selected Areas <br />5. Irrigation Water Hgat. <br />& Onfarm Ditch Lining <br />MaxlmWll Level - <br />Selected Areas <br />6. Irrigation Water Kgmt. <br />& Onfarm Ditch Lining <br />Mixed Levels - <br />Selected Areas <br />7. Irrigation Water Hgmt. <br />& Onfarm Ditch LIning <br />Mixed Levels-Valleywlde <br /> <br />8. Irrigation Water Hgmt. <br />& Onfara Ditch LIning <br />Maximum Level-Valleywlde <br /> <br />C) <br />C) <br />... <br />(.J <br />.... <br />.... <br /> <br />11 <br />21 <br />If <br />41 <br />51 <br />61 <br />!! <br /> <br />Area <br />Treated <br />(acres) <br />3,400 <br />840 <br />4,240 <br />55.900 <br />o <br />1,700 <br />57,600 <br />35,800 <br /> <br />3,000 <br />38.800 <br />43,800 <br /> <br />900 <br />44,700 <br />41.400 <br /> <br />7 .300 <br />48,700 <br />117,100 <br /> <br />13,700 <br />130,800 <br />169.000 <br /> <br />Wetland HltiKation <br />Salt Average ~J Area Area <br />Reduction Cost Disturbed Avoided <br />(iDOO to08)($1000/mg/l) (acres) (acresL- <br />10 213 <br /> <br />10 <br />35 <br />o <br /> <br />35 <br />95 <br />45 <br /> <br />140 <br />150 <br />55 <br /> <br />205 <br />190 <br />45 <br /> <br />235 <br />295 <br />45 <br /> <br />340 <br />300 <br />35 <br /> <br />358 <br />173 <br />o <br /> <br />370 <br />370 <br /> <br />Total Net 'jj <br />Cost Benefit <br />(----$1,000,000----) <br />Onfarm 2.5 0.41 <br />Mitigation 1.7 -0.21 <br />Total 4.2 0.20 <br />Onfarm 7.1 2e08 <br />Off-farm 1/ 0 0 <br />Mitigation 3.4 -0.43 <br />Total 10.5 1.65 <br />Qnfar. 30.0 3.25 <br />Off-farm 21 16.6 1.20 <br />Mitigation 6.1 -0.76 <br />Total 52.7 3.69 <br />Onfarm 51.8 4.22 <br />Off-farm 21 26.4 0.64 <br />Mitigation 1.8 -0.23 <br />Total 80.0 4.63 <br />!.! Onfarm 68.6 5.70 <br />Off-farm 31 20.9 0.61 <br />Mitigation 14.6 -1.82 <br />Total 104.1 4.49 <br />Onfarm 3/ 124.0 12.43 <br />Off-farm 21.5 0.53 <br />Mitigation 27.4 -3.42 <br />Total 172.9 9.54 <br />Onfarm 31 139.7 10.23 <br />Off-faB 12.1 1.00 <br />Mitigation 17.6 -2.20 8,900 <br />Total 169.4 9.03 177.900 335 431 <br />Onfara 31 291.2 2.81 169.000 370 670 <br />Off-farm 23.4 0.66 50 399 <br />Mitigation 44.1 -5.50 22,000 41 13,200 <br />Total 358.7 -2.03 191.000 420 727 13.200 <br />Off-farm ditch lining is not included with this program emphasizing onfana irrigation water management only. <br />These off-fara actions include lining saall and medium laterals included in maximum salt reduction analysese <br />A li.ited amount of off-farm ditch lining is included with .aximwa level onfarm improvements to assure proper <br />operation of onfar. system t.provements. <br />Includes 18,300 acres of avoided habitat and 3.700 acres of new habitat development. <br />Costs based on July 1980 price base, amortized at 7 3/8 percent interest over 25 years. <br />Benefits and costs were computed in present value teras using 10-year installation period. <br />Onfarm benefits not included. <br /> <br />256 <br />269 <br />314 <br /> <br />750 <br />750 <br /> <br />321 <br />294 <br />409 <br /> <br />1,300 <br />1.300 <br /> <br />332 <br />308 <br />396 <br /> <br />400 <br />400 <br /> <br />377 <br />358 <br />407 <br /> <br />3.100 <br />3,100 <br /> <br />433 <br />397 <br />392 <br /> <br />5,900 <br />5,900 <br /> <br />3,800 <br />3.800 <br /> <br />37.030 <br />37.030 <br /> <br />36,650 <br />36,650 <br /> <br />36.100 <br />36 ,100 <br /> <br />37.000 <br />37.000 <br /> <br />34,300 <br />34,300 <br /> <br />31.500 <br />31,500 <br /> <br />33.600 <br />33,600 <br /> <br />24,200 <br />24,200 <br />