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r <br /> ARKANSAS BASIN November, 1998 <br /> . <br /> . <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 1.8 indicates that for October the ARKANSAS RIVER BASIN <br /> basin water supplies were above normal. Flow at the gaging 5 Sir*_c*Vetter ply index History <br /> station Arkansas River near Portland averaged 387 cfs, as 4- <br /> compared to the long term average of 420 cfs. Storage in W 3 <br /> _ .`F <br /> Turquoise, Twin Lakes, Pueblo, and John Martin reservoirs <br /> 1 A <br /> totaled 179% of normal as of the end of October. 2- .- — I <br /> Outlook I IOU II <br /> ;� <br /> Z ° r\ i p i;; 1 11 I1 ,� , <br /> The outlook appears good for continued storage of oil <br /> normal volumes of water this winter season. John Martin E'i <br /> m -2- ` �I <br /> Reservoir currently has 100,000 acre-feet of conservation o 1 <br /> storage space available. Off stream private facilities are -3- <br /> generally near full and should be able to fill to capacity this -4 , <br /> JAN89 JAN90 JAN91 JAN92 JAN83 JANR4 JAN95 JAN99 JAN97 JAN98 <br /> winter,with the exception of the large Great Plains Reservoirs. KINTW YEAR <br /> Pueblo Reservoir is estimated to have only about three-fourths <br /> of its normal capacity for Winter Water available this year due <br /> to dam safety restrictions. <br /> Administrative/Management Concerns ARKANSAS RIVER NR. PORTLAND <br /> None ,so FLOW BY WATER YEAR <br /> 140 <br /> Public Use Impacts 130 <br /> 120 <br /> The Southeastern Colorado Water Conservancy 10 <br /> District recently completed a draft report on future water and in tar <br /> storage needs in the Arkansas basin. This report details ,,I 90 <br /> projected water needs and shortfalls for various entities 2 <br /> through the year 2040. Populations are projected to double sv 70 <br /> in the next forty years with some entities facing water supply i ea so <br /> within that time frame. Additional required storage 40 / <br /> volumes of up to 160,000 acre-feet are also detailed with eight <br /> storage options listed as warranting future study, including 2. • <br /> Oct Nov O. Jen Fob Lerch <br /> the enlargement of existing structures or construction of new MONTH <br /> structures. The District has held several public meetings on 0 <br /> "�""" ' °"' [1977, A AVG x 1.95 <br /> this report within the basin. <br /> Representative Reservoirs <br /> Ark.n..s River Resin <br /> 260 1 <br /> 240 <br /> 7 <br /> no \ <br /> 200 <br /> J <br /> 190 <br /> tn 15° <br /> .▪/ 140 <br /> o• <br /> a <br /> 2 12° <br /> ail v 100 \` <br /> . 90 r <br /> � <br /> °3 so �� ,\\/\/\ <br /> John Ler!ln Pueblo Twquo1se Tnrn L.k.c <br /> ® Avg. 1wa1 coat.t. ® 10/51/99 Centimes <br /> . <br /> 4 <br />