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ARKANSAS BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of -0.1 indicates that the current SURFACE WATER SUPPLY INDEX <br /> conditions are near normal. Precipitation for the month of s " '.m.'AIwar <br /> "a '" i <br /> September was 200% of normal. Cumulative flow at the key ,_ r 1 <br /> index gaging station, Arkansas River near Portland, was 35% rj - i< <br /> g 8 g ;- <br /> Y r <br /> below average for the water year. This is above the record ''. �,� I <br /> low flow recorded in 1977, but only due to reservoir '- . r : `1, ,- : , p N <br /> releases from Twin Lakes Reservoir. Flow at this station for j =- t <br /> the month of September was approximately 60% below ° J - �`_I tier <br /> P � <br /> normal. Usable storage in Pueblo Reservoir was _ 1 -4 E <br /> approximately 60,000 acre-feet on October 1, 1990. About <br /> 80% of this is project water. Usable storage in John Martin o -'- <br /> Reservoir is down to approximately 20,000 acre feet. -'- <br /> .W.q .W/i .....n JAN 4 JAMS JAMii J..57 JM1ii JMMBi JA O JAMU, <br /> Outlook: KWWWM <br /> The outlook for October is low supply and low <br /> demand. Late season reservoir runs are expected to further • — <br /> deplete storage levels in Pueblo Reservoir and John Martin <br /> Reservoir. <br /> Administrative/Management Concerns: ARKANSAS R i VER NR. PORTLAND <br /> Numerous short reservoir releases have made i- 'I ff INTER <br /> 'E'" <br /> reservoir accounting difficult. The water user community 0.0 A _ <br /> 7 <br /> must keep in close communication with their respective 2.5 <br /> water commissioner to provide for more effective _ <br /> 1 0.7 <br /> administration of these releases. There will be considerable i <br /> emphasis on management of the Winter Water Storage if <br /> Program running November 15, 1990, to March 15, 1991, °'' - <br /> due to short supplies. There have been several meetings " <br /> regarding the Colorado Spring's consolidated cases in Division 1 2.3 <br /> 2 Water Court to quantify augmentation/exchange plans 0.2- <br /> relative to lawn irrigation return flow. Water users who °.a <br /> depend on an approved substitute water supply plan should 0 - - <br /> °c` NOV a" �' '�c' "�1 I '"" Juno July A� t <br /> carefully review the conditions and expiration date of the <br /> �rna �K3 a +99° <br /> plan, particularly if they seek renewal. Renewal is v Mllil(,lN3 « I.ar c, <br /> accomplished only on the initiative of the water user. <br /> Public Use Impacts: <br /> Water based recreation has been significantly <br /> impacted at Pueblo Reservoir, John Martin Reservoir and Arkansas Basin Reservoir Supp i i es <br /> Trinidad Reservoir due to falling storage levels. 120 <br /> ice- <br /> Ile- <br /> _ <br /> 1 113- 7\7\ <br /> 1 30 , /\ ^ /\ <br /> /N <br /> . , ,N ,N <br /> JOrrl IMrtln hYquolii Twit LAMS <br /> ® Meg. 9/30 Wawa* ® 9/30,90 Cantatas <br /> 4 <br />