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WSPC04207
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Last modified
1/26/2010 11:38:20 AM
Creation date
10/9/2006 4:29:57 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8064.100
Description
Ute Tribes
State
CO
Basin
San Juan/Dolores
Water Division
7
Date
9/1/1986
Author
CO Dept of Law
Title
Agricultural Engineering Study - San Juan West Watershed - Task D-E Report - Step A - Design-Cost Estimate for Off-Farm Irrigation Facilities and PIA Determination
Water Supply Pro - Doc Type
Report/Study
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />1204 <br /> <br />A number of parcels in the San Juan West Watershed had a residual <br /> <br /> <br />preliminary payment capacity even though the distance to the river <br /> <br /> <br />was considerable. Instead of designing individual lines of supply <br /> <br /> <br />to each of these remote parcels, a single line was sized to serve all <br /> <br /> <br />parcels. The per acre cost of this single transmission line was <br /> <br /> <br />compared to the residual preliminary payment capacity of each <br /> <br /> <br />parcel. <br /> <br />0.4.5 preliminary Practicably Irrigable Acreage Determination <br /> <br /> <br />Table 0.5 and Figures 0.1 through 0.3 identify the preliminary <br /> <br /> <br />practicably irrigable acreage for the San Juan West Watershed. A <br /> <br /> <br />total of 206 acres was identified as PIA with an estimated annual <br /> <br /> <br />water diversion of 626 acre-feet from the San Juan River. <br /> <br />In order to finalize the PIA determination, the cropping pattern and <br /> <br /> <br />net agricultural returns must be re-evaluated by the economist <br /> <br /> <br />(Wester Research Corporation) on a parcel-by-parcel basis and <br /> <br /> <br />adjusted to reflect individual parcel characteristics. It will <br /> <br /> <br />then be necessary to perform another engineering analysis comparing <br /> <br /> <br />the revised payment capacity with a revised off-farm irrigation <br /> <br /> <br />system and cost. <br /> <br />13 <br />
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