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SWSIReportSept2005
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SWSIReportSept2005
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Last modified
10/3/2011 5:30:07 PM
Creation date
9/30/2006 10:30:30 AM
Metadata
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Template:
Drought Mitigation
Title
Colorado Water Supply Conditions Report
Date
9/14/2005
Description
Presentation
Basin
Statewide
Drought Mitigation - Doc Type
Presentation
Document Relationships
ClimateUpdateSept2005
(Message)
Path:
\Drought Mitigation\Backfile
NRCSSept2005
(Attachment)
Path:
\Drought Mitigation\Backfile
ShortTermOutlookSept2005
(Attachment)
Path:
\Drought Mitigation\Backfile
WATFAgendaSept2005
(Attachment)
Path:
\Drought Mitigation\Backfile
WATFSummarySept2005
(Attachment)
Path:
\Drought Mitigation\Backfile
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<br />GUNNISON BASIN <br /> <br />Basinwide Conditions Assessment <br />The SWSI vaiue of -1.1 indicates that for August the <br />basin water supplies were slightly below normal. Flow at the <br />gaging station Uncompahgre River near Ridgway was 173 <br />cfs, as compared to the long-term average of 164 cfs. <br />Storage in Taylor Park, Crawford, and Fruitland reservoirs <br />totaled 93% of normal as of the end of August. <br />The month of August was close to normal, both in <br />temperature and precipitation. As a result, river flows <br />dropped the way they normally do. The, occasional <br />thunderstorms in the mountains have kept the soil moisture <br />conditions from becoming too dry. <br /> <br />Outlook <br />Those with reservoir storage will enjoy a large <br />carryover going into the winter; which gives them certainty <br />that they will have a full reservoir again next year. As the fall <br />harvest winds down, and irrigators try to get fields wet for the <br />last time, flows should be sufficient for that purpose. <br /> <br />Administrative/Manaaement Concerns <br />In the tightly administered Grand Mesa system, the <br />2005 water year of has been one of the best in a iong time. <br />Normally, administrators start to curtail junior water rights the <br />first part of June. The users then start running reservoir <br />water to supplement their needs, This year, there were <br />free river conditions until the first part of July, Although a lot <br />of reservoir water was used in August there is still a sizable' <br />amount left. Because some of the dams develop problems if <br />they are left full for too long, some of the stored water may <br />be dumped this fall. Hopefully, there will be sufficient runoff <br />next spring to refill the reservoirs, <br />The Uncompahgre Valley Water Users Association <br />uses water to irrigate the Uncompahgre Valley from both the <br />Gunnison and Uncompahgre Rivers. Because Blue Mesa <br />did not fill this year, they are pulling as much water as <br />possible from the Uncompahgre River and Ridgway <br />Reservoir to meet their needs. This will draw the reservoir <br />down substantially, but it is relatively easy to refill next spring. <br />The saved water in the Gunnison River will help maintain <br />Blue Mesa Reservoir at a higher elevation. It will take another <br />good runoff year to fill it entireiy. <br /> <br />Sep-05 <br /> <br />-"""" <br /> <br />~ <br /> <br /> <br />~ ' <br />. <br /> <br />w' <br />~ <br />~' <br />'0 <br />~ <br />., <br /> <br />. <br /> <br />. <br /> <br />......J.,.gJ;........lIr><<IJorIO\.-.a!.-..u~Jlnotl5 <br />"""''''' <br /> <br />~ RIVER Nt RlDGNAY, FtDN BY WAlER ~ <br /> <br />,.,.." <br /> <br /> " .-/ --- <br /> / <br /> v <br /> / ,/" V ~ <br /> ~ <br /> 0 V <br />j. V <br />V ~ <br /> <br />j2OO,OCO <br />'~ <br />~ <br />s:15O,OCO <br />o <br />~ <br />w <br />> 100.0c0 <br />~ <br />. <br />a ro.oco <br /> <br />o <br />O:ttbJDscJa1F'ebt.trd11p1M1yJJne,);JjAugSEp: <br /> <br />-Cl-WET(19fW) <br /> <br />..........00'1'(1977) <br /> <br />~AVG <br /> <br />*""'" <br /> <br />FEPRESfNT'ATIVE RESEFM:XRS <br /> <br />100.000 <br /> <br />"''''' <br /> <br /> <br />",000 <br />;: 70,0:>> <br />1 <br />~ 60,000 <br />.. <br />f SJ,OOJ <br />'" <br />1 <0.000 <br />~ <br />. <br />:S 3,),000 <br /> <br />"'000 <br /> <br />'.000 <br /> <br />T.,.,.... <br /> <br />"""'" <br /> <br />F....... <br /> <br />.A\g.0&'31Q:ntB'is <br /> <br />1ll(WJ1f(li0x1tEnls <br /> <br />6 <br />
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