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WSPC126
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WSPC126
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Last modified
1/26/2010 4:15:52 PM
Creation date
4/22/2007 10:23:13 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8240.200.39.L
Description
Colorado River Threatened-Endangered - RIPRAP - CFOPS - General Reports-Maps-Data-Etc
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
3/31/1999
Author
Unknown
Title
Working List of Assumptions and Ground Rules - Draft - Reviewed Copies with staff comments - 03-31-99
Water Supply Pro - Doc Type
Report/Study
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<br />~. ::.~);;~~>l <br /> <br />,..,..1. .,,,,,,'J <br />}; ,',..: '.r .. <br />:,'\,'.<'J' 'I <br />'," :,'. . <br />..'":; <br /> <br />",..w:...,:, <br /># <br />if <br /> <br />...,.~lIC.fv....gllUwrClc <br /> <br />PAGE 4/4 <br /> <br />000315 <br /> <br />e <br /> <br />- <br /> <br />aUgJDf'lrIt:mon ofpeaIc flows in the lS-nule reach should be considered for cowrting toward <br />delivery oftbc 20K?) <br /> <br />. <br /> <br />Water moved from a period of excess to a period of shortage should be counted towards the <br />20K. <br /> <br />· Water moved from the winter to spring would count in delivery of the 20K on an average <br />annual basis. <br /> <br />· Water delivered in excess of the :Bow recommeodations would not count. (Does this mean that <br />water delivered in excess of me 20K in an:)' year will not count? Or, that water delivered in <br />excess of some specific :Bow recommendarions (e.g. water in excess of SOOOcfs during the first <br />week of April would not count?) <br /> <br />There obviously needs to be more discussion conceming this matter. but the above represents a start. <br /> <br />6. Flow Targets. The following is from the February 2 Maddm:: to Seaholm memo: <br /> <br />· The Service's first priority for delivery of water would be to add to the spring peak during <br />the same 10-da)' period that the coordiDated reservoirs operations program is trying to add to <br />the peak. (Ibis )ields support to the need for a daJ1y time step model during the Spring peak <br />nmoffperiod.) Ifall of the 20K could be provided during the peak. it would not be necessary <br />, to provide any water during other periods. <br /> <br />· The Service's second priority is to provide the water in May-June. <br /> <br />· Third priority is to deliver water between July 15 and August 31 when deliveries from other <br />sources are less certain. <br /> <br />· Founh priority is in September and October. <br /> <br />t' Flexibility of Meeting Flow Targets. The following is an interpretation of the Service's February <br />~ to Randy's questions concerning allowable flexibility in meeting the flow targets: <br /> <br />. <br /> <br />Adaptive management should be employed "",'hereby the flow target and the flexibility in <br />m~ 1his 13Iget would be identified and implemented on a year to year basis depending on <br />the hydrologic conditions in a specific )"ear. Actual deliveries would be made in a specific <br />year based on established guidelines and general criteria for making water available. These <br />guidelines and criteria would be established as part of the Water Availability Stud).. <br /> <br />Ranges of pennissible water deliveries and timing of defu:eries would be set through <br />agreements and contracts. The ranges and timing of pennissible water deliveries would be <br />established in the Water AvailabiIity Study and larer incorporated in contracts and <br />agreements. <br /> <br />. <br />
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