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WSP10174
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Last modified
1/26/2010 2:57:36 PM
Creation date
10/12/2006 4:11:46 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.131.J
Description
Yellow Jacket Project
State
CO
Basin
Yampa/White
Water Division
6
Date
1/1/1983
Author
USDOI/BOR
Title
Yellow Jacket Project Irrigation Analysis: Payment Capacity and Benefits
Water Supply Pro - Doc Type
Report/Study
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<br />. <br /> <br />. <br /> <br />f'- <br />- <br />~ <br />~-.J <br /> <br />Water Supply <br /> <br />The water supplies needed for efficient crop production were determined <br /> <br />by the water requirement of crops which would be grown under conditions of a <br /> <br />full water supply. The Jensen-Haise Method of analysis was used to establish <br /> <br />project water requirements. Increased water needs, based on sprinkler <br /> <br />irrigation requirements of 1.86 acre-feet/acre, total 13,000 acre-feet. <br /> <br />Ninty-four percent or 12,200 acre-feet would be used on new land with only <br /> <br />800 feet going to supplement present water supplies. This supply includes an <br /> <br />average annual shortage of 2%. A breakdown of project water is illustrated <br /> <br />in Table 4. <br /> <br /> Table 4 <br />Project Water Supply 1/ <br /> Supplemental Full <br />Item Service Service Total <br />Area-acres 1,450 6,550 8,000 <br />Canal side demands <br />Acre-feet 2,760 12,440 15,200 <br />Acre-feet per acre 1.9 1.9 1.9 <br />Demand with 2% shortage <br />Acre-feet 2,700 12,200 14,900 <br />Acre-feet per acre 1.86 1.86 1.86 <br />Historical supply with <br />surface irrigation <br />Acre-feet 1,900 1,900 <br />Increased supply due to <br />the project with 2% shortage <br />Acre-feet 800 12,200 13 ,000 <br />Acre-feet per acre .55 1.86 <br /> <br />1/ Based on sprinkler irrigation requirements. <br /> <br />Crop Yields <br /> <br />Crop yield information came from many sources. In the recent farm <br /> <br />survey, farmers were asked for current yields with a partial water -supply and <br /> <br />for the yields they would expect to receive if they had a full water supply. <br /> <br />This yield data ferms the base for yields used in this study. - Secondary <br />
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