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Last modified
1/26/2010 2:24:49 PM
Creation date
10/12/2006 1:56:15 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8270.100
Description
Colorado River Basin Water Quality/Salinity -- Misc Water Quality
Basin
Colorado Mainstem
Water Division
5
Date
4/1/1982
Author
USDA
Title
Colorado River Water Quality Improvement Program - Final Environmental Impact Statement for Lower Gunnison Basin Unit - Montrose and Delta Counties CO and Uintah Basin Unit
Water Supply Pro - Doc Type
EIS
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<br />The small and medium sized laterals were analyzed s'eparately so that the cost <br />and the effect of these improvements may be added as a unit to any of the <br />candidate plans as each receives consideration for implementation. <br /> <br />Improvement assumes the use of pipelines to preserve gravity pressure for <br />sprinkler irrigation although impervious ditch lining also may be used. <br /> <br />The construction costs and the effect of implementing cost effective ~mprovements <br />in the off-farm laterals are: <br /> <br /> <br /> Costs Salt Loading <br />Lateral Length Const. Admin. Total Present Reduction <br /> mi. ___________$1,000----------- -----tons/year------- <br />ONF ARM : <br />Small 1/ 55 6,340 1,270 7,610 15,000 12,000 <br />OFF-FARM <br />Small' ?:./ 13 1,585 320 1,905 4,000 3,000 <br />Large 82 24,795 4,960 29,755 55,000 45,000 <br />Subtotal 95 26,380 5,280 31,660 60,000 3/ 50,000 3/ <br />Total 150 32,720 6,560 39,270 75,000 }./ 60,000 }./ <br />1/ 80 percent to be included with onfarm program. July 1980 Price Base. <br />2/ 20 percent remaining for the off-farm program. <br />'}j Rounded to closest 5,000 tons. <br /> <br />Eight plans showing the greatest salt load reduction for the least total cost <br />are displayed in Table IV-I, and become the candidate plans presented for <br />further consideration. <br /> <br /> <br />IV-4 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />
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