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r <br /> ARKANSAS BASIN <br /> • <br /> Basinwide Conditions Assessment: I <br /> The SWSI value of-0.5 indicates that for December ARKANSAS RIVER BASIN <br /> the basin water supplies were near normal. The Natural 5 Sirfsro Water Supply Index NILto►y <br /> I <br /> Resources Conservation Service reports January 1 snowpack 4_ 1 <br /> as 77%of normal. Flow at the gaging station Arkansas River _ '• .11. <br /> near Portland averaged 398 cfs,as compared to the 1965-1993 3 <br /> average of 394 cfs. Storage in Turquoise,Twin Lakes,Pueblo, -and John Martin reservoirs totaled 235% of normal as of the if <br /> o• o a w .,r------- + ,r, ,„ F <br /> end of December. �y,, <br /> T P k ' <br /> Outlook - J �r � <br /> a -2- <br /> Present Winter Water Storage amounts are running r <br /> 15% above normal levels. These above normal amounts are -3- <br /> filling the remaining reservoir space in the basin. Water _, <br /> JAN87 JANBB JAN89 JAN90 JAN91 JAN92 JAN93 JAN94 JAN9S JAN96 <br /> supply levels continue to remain promising for spring. ION TM/YEAR <br /> Administrative/Management Concerns <br /> Implementation of the 1996 Well Use Rules remains <br /> a management priority. Administration of these rules will <br /> involve the hiring and training of several new positions, ARKANSAS RIVER NR. PORTLAND <br /> collection of large amounts of diversion data each month, and 150 FLOW BY WATER YEAR - <br /> I <br /> continuous oversight of augmentation water releases. 140 <br /> 130 . <br /> 120 <br /> Public Use Impacts „. <br /> The Corps of Engineers recently determined that <br /> 10,000 acre-feet more space exists in Trinidad Reservoir than a i 90 <br /> was determined in the reservoir's previous capacity survey. >r Bo - <br /> The new storage has been allocated to the recreation pool and ?0 <br /> is planned to be filled with water sometime this year by the <br /> Colorado Division of Parks and Outdoor Recreation. Filling of 40 �� 1 I I <br /> this space will increase the permanent recreation pool from 30 I I . <br /> it's current 4,500 acre-feet to approximately 16,000 acre-feet. 20 I I I <br /> OCT. Tbv Doc Jan Feb March <br /> A larger recreation pool should provide much improved .,UlaTH <br /> wt• ,19.4) O OR"C 977; A AVG X 1996 <br /> recreation opportunities to the public at Trinidad Reservoir. <br /> REPRESENTATIVE RESERVOIRS <br /> ARKANSAS RIVER BASIN <br /> 290 <br /> 26C._ 7 <br /> 220--i <br /> 200 \\\y <br /> '180— � <br /> 1a <br /> ec+e 40- <br /> ACC ii I\ \ <br /> . /\ <br /> John Mart, Pueblo Tirouoi w Twin Lekes <br /> 11 '2/'.'.^/95 ontonms <br /> i i <br /> 4 <br />