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<br />J ,. <br />STATE OF COLORADO <br />Colorado Water Conservation Board <br />Deparbment of Naimal Resources <br />1313 Shecman Sueet, Room 721 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3441 <br />FAX: (303) 866-4474 <br />www.cwdb.staLe.oo.us <br /> Bai OwCRS <br />To: Reservoir Coordinating Committee- Memtm G°°e`n°r <br /> Russcll George <br />From: Ted Kowalski, Program Manager Executive DirCO! <br /> Rod Kuharich <br />Date: November 6, 2006 CWCIB DireCOr <br /> Dan McAuliffe <br />Subject: Swnmary of Select Water Storage lnformation and Flow Conditions De" °'ec`D` <br /> for the South Platte River Basin <br />I. INTRODUCTIOIV <br />Colorado is pleased to provide the following information in support of the Reservoir Coordinating <br />Committee (RCC) for the three State Platte River Cooperative Agreement In preparing the <br />information I focused my efforts on the South Platte River and selected data, which I believe is the <br />most relevant for the RCC. As always, I have also included a number of Intemet Sites, which people <br />can access for additional information and up-to-date information over the next several months. <br />H. WATER SUPPLY OUTLOOK <br />Stream Flow <br />I have attached several graphs of historic and current (September 2006) flow information for the <br />South Platte River at Julesburg. The mean daily flow for the South Platte at Julesburg for September <br />2006 and for the period of record (1902-2004) was 42 cubic feet per second (cfs) and 245 cfs, <br />respectively (see Figures 1-5)_ The mean daily flow for the South Platte at Julesburg for Septeanber <br />2005 was 71 cfs. The mean da.ily flow for the South Platte at Kersey for September 2006 and for the <br />period of record (1901-2004) was 389 cfs and 517 cfs. The mean da.ily flow for the South Platte at <br />Kersey for September 2005 was 311 cfs. Generally, the South Platte River flows dropped off <br />significantly in June, July and August. <br />Reservoir Storase <br />A summary of the status of select reservoir storage and reservoir capacity is provided in <br />Figures 6-9. While the amount of precipitation in the South Platte River basin was above average at <br />the April meeting, the warm tempera.tures in May saw patential benefits evaporate quickly. As a <br />result, many of the reservoir levels in die basin are still recovering. Figures 6 and 7 show that <br />Fiood Prooecoion . Water SupPiY P4wniog and Finance . Stream and Lake Prooection <br />Wata SuQply Protecaon 9 C.onsava6an and Drought Planning .