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WSP06394
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Last modified
1/26/2010 2:22:35 PM
Creation date
10/12/2006 1:36:14 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8283.100
Description
Colorado River Computer Models - Colorado River Simulation System
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
6/20/1986
Author
Unknown
Title
Appendix A - 1986 Lower Colorado River Simulation Studies
Water Supply Pro - Doc Type
Report/Study
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<br />00160~ <br /> <br />. <br /> <br />Finally, the current study average CAP pu~ping was" d~termined from 80 traces of <br />hydrology and included information from 1906 through: 1985. The 1985 study used <br />only 15 traces and included hydrology information from 1906 through 1983. The <br />15 traces from the current study which correspond to: those of the 1985 study <br />yield an average diversion to CAP of 1.573,000 acre-feet. while the entire <br />80~trace average was 1.566,000 acre-feet. This indicates that the trace <br />selection had little influence upon the difference between the two studies. <br />It's not possible to determine the quantitative impact from including 1984 and <br />1985 hydrology, but they would tend to increase the average CAP pumping to some <br />extent. <br /> <br />. <br /> <br />IMPACTS TO METROPOLITAN WATER SUPPLY <br /> <br />The current study showed Metropolitan annual pumping to average 738,000 acre-feet <br />for 80 traces~over the period ,1986 through' 2050. Average <br />Metropolitan pUDiping maybe seen in-figure B-1 to decline from 1986 through <br />2025. As it declines. the rate of decrease becomes less as 2025 is approached. <br />After 2025, Metropolitan average annual pUDiping remains between 654.000 and <br />688,000 acre-feet through 2050. <br /> <br />'Figure B-2 illustrates the frequency of Metropolitan's pumping above its normal <br />schedule. Similar to the decline in average pumping, pumping above normal <br />schedule declines in a similar pattern through 2027. After 2027, pumping above <br />the normal schedule remains'at roughly 21 occurrences each year of 80 possible. <br /> <br />. (::' <br />\;:': <br /> <br />IMPACTS TO ROBERT B. GRIFFITH (SNWP) WATER SUPPLY <br /> <br />The current study showed SNWP <br />80 traces 1986 through 2050. <br />figure B-7. <br /> <br />annual pumping to average 240,000 acre-feet for <br />Average annual SNWP pumping is illustrated in <br />
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