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, <br /> ARKANSAS BASIN 1/1997 k <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 2.9 indicates that for December the ARKANSAS RIVER BASIN <br /> basin water supplies were above normal. The Natural S - $IYfeCe Water Supply Infix WI CtOry <br /> Resources Conservation Service reports January 1 snowpack 4 <br /> as 151%of normal. Flow at the gaging station Arkansas River ,,; y <br /> w 3- �. <br /> near Portland averaged 450 cfs, as compared to the long term F : . -,._ <br /> average of 394 cfs. Storage in Turquoise,Twin Lakes,Pueblo, 2 r � '- '-= = <br /> and John Martin reservoirs totaled 191% of normal as of the - . ' ; ; : , - <br /> end of December. 1 t �4 , r ti r <br /> tl <br /> g <br /> The Winter Water storage season began on the - <br /> Arkansas River on November 15, and the first six weeks of the = r <br /> ,• <br /> four month season show a storage total of 70,800 acre-feet. o ' <br /> This is slightly above the last five year's average, but 8,000 -3 <br /> acre-feet behind last year's amount. - <br /> JAN90 JAN09 JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 JAN97 <br /> AMTW YEAR <br /> Outlook <br /> Early season forecasts from current snowpack levels <br /> indicate a runoff of 120% of normal. <br /> Administrative/Management Concerns ARKANSAS RIVER NP. PORTLAND <br /> Inventorying of wells among the tributary areas of the 150 FLOW BY WATER YEAR <br /> basin,which correspond to the Rule 5 (or White) areas of the 140 <br /> Amended Well Use Rules, continues to be an ongoing effort 1 <br /> 30 <br /> ,20 <br /> for the basin's staff. An inventory of these wells is the first 1 11O <br /> step in obtaining better compliance with the Well Use Rules. n ,00 <br /> - There is some concern that well users on some of the o 90 <br /> ea <br /> tributaries will have difficulty in obtaining suitable �-2 ,o <br /> argumentation supplies to meet the time and place s V 607F\ <br /> requirements of the new rules. 1 50 <br /> 40 <br /> ao <br /> Public Use Impacts 20 A <br /> The good snowpack values have led to good quality -- <br /> OCt Nov D. Jan Fee March <br /> early season conditions at the Arkansas basin ski areas. AbNTW <br /> O WET(1904) o ORr(1977) A AVG 9 1997 <br /> REPRESENTATIVE RESERVOIRS <br /> ARKANSAS RIVER BASIN <br /> NO-- _----- <br /> 240.. <br /> 220- <br /> 200- \ \ <br /> 180- \ \ <br /> i n 160- \ \ <br /> u \ \ <br /> •f 140- --- <br /> 6£ 120- / <br /> w 100-• <br /> 1 90-i 60 /\/\ <br /> 40 . \ <br /> John Martin Pueblo Turquoise Twin Lakes <br /> ® Avp. 12/31 Contents ® 12/31/96 Content. <br /> 4 <br />