DWR_4151871 - Laserfiche WebLink

ARKANSAS BASIN Basinwide Conditions Assessment: The SWSI value of 1.9 indicates that for March the basin ARKANSAS RIVER BASIN water supplies were above normal. The Natural Resources surface Water Supply Index HIstory Conservation Service reports April 1 snowpack as 117% of normal. Storage in Turquoise, Twin Lakes, Pueblo, and John Martin reservoirs totaled 102% of normal on March 31. Flow at the gaging station Arkansas River near Portland averaged 409 cfs, as compared to the 1965-1993 March average of 356 cfs. The W o + E National Weather Service computes basin precipitation as 118% of normal during the month. Outlook _ The outlook for the late spring water conditions appears JAMS .67 .. JIM JAM WNTH,YEAA°' '""" "JO" '""" good. With two fairly wet snows in the last two weeks soil moisture is good. Near future outlook is promising as the snowpack is at or slightly above 100 percent of normal. ARKANSAS RIVER NR. PORTLAND FLOW BY WATER YEAR Administrative/Management ConcernsThe river call since the end of the Winter Storage Program has been steady at about 1887. This is fairly normal and allows most ditches an adequate water supply to start vegetable and alfalfa crops. Some irrigators have also been supplementing their 1 ,� di,ersions with reservoir waters. Public Use Impacts S0 The Bureau of Reclamation is continuing with their flow maintenance program. At this time of the year, this entails maintaining a 500-600 cfs flow at the Wellsville Gage near Salida PA°`T" _._WET[1964] ORY[1977] —w—AVG 1995 in order to protect fingerlings from being displaced down river. This action is intended to improve the overall future Arkansos Fishery. REPERSENTATIVE RESERVOIRS ARKANSAS RIVER BASIN zoo .100 JOM lyrsn Fwolo Trpnlw n!n lyaa ®Avg. 3/31 Contents N 3131/9S Contents 4