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ARKANSAS BASIN 12/1996 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 1.6 indicates that for November the ARKANSAS RIVER BASIN <br /> basin water supplies were above normal. Flow at the gaging 5 Surface water swv1Y Index NletgrY <br /> station Arkansas River near Portland averaged 467 cfs, as , <br /> compared to the long term average of 441 cfs. Storage in <br /> • Turquoise, Twin Lakes, Pueblo, and John Martin reservoirs - <br /> totaled 197% of normal as of the end of November. .- , ---- : ? -- <br /> 4 , a .,.. <br /> Outlook l 0 I ., I,1 �I I I- IIII i. 1 ►, 1 <br /> Y6� I I <br /> The Arkansas River's Winter Water storage season - : 11 _,N ;k' ' 1 ' 1 <br /> began on November 15. The first two weeks of the four 2 T 1 f 1'/ <br /> month season show a storage total of 28,000 acre-feet,which o <br /> is slightly above the average for the past five years. Judging -3- <br /> from these early values, which are typically indicative of the -4 I -. -..- <br /> JAN87 JANB9 JANB9 JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 <br /> season's final storage totals, this winter's storage season MONTFVY6AN <br /> should be near normal. <br /> Administrative/Management Concerns <br /> The annual meeting of the Colorado-Kansas Arkansas <br /> River Compact Administration takes place this month in ARKANSAS RIVER NR. PORTLAND <br /> Lamar, Colorado. Major topics for discussion will be the 150 FLOW BY WATER YEAR <br /> review of the past year's operations involving John Martin <br /> Reservoir and water deliveries to Kansas. Other topics include ;� <br /> the establishment of a new account in the reservoir for ground y ,10 <br /> water augmentation,channel capacity downstream from John t n <br /> Martin Dam, and issues regarding the Purgatoire Water o 1 o <br /> Conservancy District. 'g 70 <br /> - S 5° <br /> Public Use Impacts 1 5° <br /> e......7 <br /> General winter reservoir operations this year will '° <br /> involve storing approximately 50,000 acre-feet of native and 20 <br /> municipality exchanged waters, and 60,000 acre-feet of 10 <br /> Oct NIW Ours Jan Feb March <br /> Fryingpan-Arkansas Project waters released from upstream MONTN <br /> 0 WET C1994) o °NY C197'7) A AV° X 1996 <br /> storage sites. A 20 foot increase in stage at Pueblo Reservoir <br /> is expected by the end of the winter storage season with a <br /> corresponding decrease in stage at Turquoise Reservoir of <br /> approximately 40 feet should result. <br /> REPRESENTATIVE RESERVOIRS <br /> Ark.nen Rlvr Bee 1n <br /> 260 <br /> 20 <br /> 220 <br /> 200- <br /> Y \ <br /> i <br /> n 14°- \ \ <br /> S9 140- \ \ <br /> b F -me- \ \ <br /> h~ r \ <br /> 100- \ <br /> i 80--/ \• <br /> 60 \ f <br /> 40, \ ! <br /> John Mertln Pueblo Turquoise non Lekee <br /> ® Avg. 11/30 Content■ ® 11/30/96 Content• <br /> 4 <br />