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Last modified
1/26/2010 12:33:54 PM
Creation date
10/11/2006 10:47:41 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.130.J
Description
West Divide Project
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
8/8/1986
Author
Hydro-Triad Ltd.
Title
Reformulation of the West Divide Project - Executive Summary - August 8 - 1986
Water Supply Pro - Doc Type
Report/Study
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<br />0) <br />'.:.J <br />m <br />'" <br /> <br />deliver water from Lower Kendig Reservoir while. .the Highline Ditch <br />cannot. <br /> <br />, . ~ <br /> <br />3, Storage locatIons 'such as Dry Hollow and, Mamm 'creek pro- <br />vide very little fncrease in yield if l.ower Kendig_ is included. A <br />medium sized Lower Kendig Reservoir would, J>e', able to, suppiy the. <br />limited service area of these sites in most yea~s. <br /> <br />- , <br /> <br />4. An extension of the Highline!Porter system to upper <br />Hunter Mesa provides a substantial increase in project yield; however, <br />some of this increase occurs at the expense of supplemental irrigation <br />water for existing land. <br /> <br />5. Of the systems not directly .linked to the West. /livide <br />Creek system, the East Divide Creek. Dam is the most cost ef.f.ec~i~et. <br />followed closely by the Yank Creek Dam. The Owens Creek Dam site is <br />less cost effective and the Beaver, Creek Dams are the most exp,ensiv,:, <br />as compared to their yields. <br /> <br />6. Buzzard Creek Dam and Reservoir produces y!~ld whi~h are <br />more expensive than Lower Kendig yields but-leas_ expensive, than other <br />project features. A small Buzzard Creek reservoir !s ,more cost, <br />effective than a large reservoir. A long canal to Alkali Creek is the' <br />most cost effective way to deliver'l'ater fr9nl Buzzar.d C,ree~, Reservoir'. <br />to the West Divide Creek basin. . <br /> <br />7. Scenario D-2 represents a full water supply for the area. <br />While not completely eliminating shortages, Scen;tri,:, Ir.-;l, does, elimi- <br />nate annual shortages in almost 55% of the years stu~ied. In 33 out <br />of the 35 years included in the study period, ehe .annual shortage is <br />less than the existing annual average, shortage., ,The" two sears.. in <br />which the annual shortage was greate,r than the, e.xisting ann~al average .- <br />shortage are years '.of extreme drought. Providing sllfficient stor!'ge <br />to completely eliminate shortages in the project ,area would ,requi.re <br />massive additional expenditures while yielding only marginai benefits. <br />'J -. <br /> <br />The final project configurations were selected on the basis of <br />least cost per acre-foot of yield but within, the f~ameworl!: of the <br />general planning scenarios discussed previously. This approach produ.~. <br />ces project configurations which ,cover a'range of costs and 8izes~, <br />With. the exception of Scenario D, this includes, that. l11)lits mi. tl1e <br />cost per acre-foot of yield produced by ehe, var:lous. sce11,arios., 'The' <br />maximum costs per acre.-foot were converted, to eq.uival,ent ,_one-time. <br />capital costs assuming 8 percent annual interest, over a 40, . y;,'ar <br />repayment period. The limits. selected are: <br /> <br />" <br /> <br />1-14 <br />
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