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<br />.' <br /> <br />SEP 1 6 1997 <br /> <br />Date: September 11, 1997 <br /> <br />CoIora(Ju )~...ILt' <br />Conservation Soara <br /> <br />From: Water Resource Group, Salt Lake City <br /> <br />To: All Colorado River Annual Operating Plan (AOP) Recipients <br /> <br />Current Status <br /> <br />August <br />inflow (unreg) <br />(acre-feet) <br /> <br />Percent <br />of normal <br /> <br />Midnight <br />September 11 <br />Elevation <br /> <br />Reservoir <br />Storage <br />(acre-feet) <br /> <br />Fontenelle <br />Flaming Gorge <br />Blue Mesa rfb <br />Powell \'l ",I) <br />Navaj 0 \[)J 0 <br /> <br /> <br />141,000 <br />172,000 <br />98;000 <br />,064,00 <br />,000 <br /> <br /> <br />6,503.49 <br />6,036.49 <br />7,512.65 <br />3,690.26 <br />6,069.67 <br /> <br />326,000 <br />3,607,000 <br />769,000 <br />22,792,000 <br />1,476,000 <br /> <br />Expected Operation <br /> <br />FONTENELLE - Releases from Fontenelle Reservoir are currently at <br />1300 cfs. Inflow into Fontenelle is about 1100 cfs and the <br />elevation is 6403.5 feet. Releases will likely remain near 1300 <br />cfs during the fall and winter period. These releases, combined <br />with expected inflows, will allow the reservoir to be drawn down <br />to elevation 6463.5 feet by April 1, 1998 in anticipation of the <br />1998 runoff season. <br /> <br />Due to above normal precipitation activity this summer, inflows <br />into Fontenelle have been above expected levels for the past two <br />months. Because of this releases from Fontenelle during August <br />were higher than normal. In August, inflow and releases averaged <br />2300 cfs and 2200 cfs respectively. <br /> <br />FLAMING GORGE - Releases from Flaming Goge are now steady at 2000 <br />cfs with no hour to hour fluctuations. Releases were increased <br />on August 20 to 1800 cfs, on September 5 to 1900 cfs and again on <br />September 9 to 2000 cfs. These increases were made in order to <br />evacuate more water out of the reservoir. Inflows in August were <br />much above average due to a very active summer monsoon. <br /> <br />The current operation will attempt to keep flows at or below 2500 <br />cfs at Jensen. The Yampa is currently flowing at about 500 cfs <br />so the combined Flaming Gorge release and Yampa River flow should <br />meet this objective. <br />