Laserfiche WebLink
SOUTH PLATTE BASIN March, 1998 <br /> 4 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 2.1 indicates that for February the SOUTH PLATTE RIVER BASIN <br /> )asin water supplies were above normal. Reservoir storage, 5 5�i"' t-�s O Y ""'x"tatorr <br /> the major component in this basin in computing the SWSI 4 <br /> value,was 115%of normal as of the end of February. Storage - 1 II I11 I .I, <br /> w 3 11 I ,1 II,.IIII <br /> in the major plains reservoirs: Julesburg, North Sterling, and - I I III III 11111,111 1111I,1 1 <br /> 2 I I I 1 II I III 111111111 11111111 <br /> Prewitt, increased by9 592 acre-feet duringFebruaryand are II I II II. I. 1 I III III 111111111 11111111 <br /> , I Ill I III 1 111 1111 1 1 111 I III III 111111111 11111111 <br /> g I iii 1 IIII IIIII, 111111 1,1,111 1 III III 1111111111 11111111 <br /> at 92% of capacity. Storage in the major upper basin 1 1 1„11111. 1111 111111 .i111111 1111111111 III III 111111111111111111 <br /> �5 1111111111 1111 1111111' 11111411 111111111 1 III 1 1 III 11111111P 11111111 <br /> reservoirs: Cheesman, Eleven Mile, Spinney, and Antero, = 0 !mum' ' 111111 iilliil I I <br /> i1111li1- 'mini 1 ,II! II III IIIIIIIII,Him, <br /> decreased by 6,426 acre-feet and are at 81%of capacity. The i III' I III I I <br /> -1 i I 1 <br /> Natural Resources Conservation Service reports March 1 ▪ 2 <br /> snowpack as 93% of normal. The mean daily flow of the ci <br /> South Platte River at the Kersey gage was 1,045 cfs, as -3 <br /> compared to the long term average of 852 cfs. Flow at the -4 . .. ............................................—, ------ -----. <br /> JAN99 JAN90 JAN91 JANI22 JAN93 JAN94 JAN95 JAN90 JAN97 JAN99 <br /> Colorado/Nebraska stateline averaged 1,258 cfs, compared to MONTWYEW <br /> the long term average of 604 cfs. <br /> River flows continued above average for the month of <br /> February on tributaries and the mainstem. Diversions in <br /> February continued primarily for storage recharge and for <br /> direct municipal use. SOUTH PLATTE RIVER NR. KERSEY <br /> Most reservoirs either maintained at or filled to their 450 <br /> FLOW <br /> Ut WAYEN WEAN <br /> winter storage levels. 400 11.1' <br /> 950 —�� <br /> Outlook 1 3� i� <br /> The snowpack in the mountains remains slightly _!�- '�' <br /> below average. The final snowpack level will be effected by aI 252 <br /> the snow fall over the next two months, generally the period g 200 _.WIM -� <br /> when the basin gets the most precipitation. Reservoir storageiss <br /> conditions, snowpack, and continued return flows from the i 100 IIIIIIINiiiiill <br /> last few wet years will provide for an average to more than 1111i1111111111-__ <br /> average water supply to users this year unless the next two 5 ��___ <br /> months are extremely dry. 0 <br /> Oct NOV Dac Jan Feb March <br /> 0 WET C1999) o oar t'moo O Av6 X 1998 <br /> Administrative/Management Concerns <br /> The only call on the South Platte was for direct flow <br /> uses for Denver. <br /> Public Use Impacts Representative Reservoirs <br /> It is expected that the Northern Colorado Water 240 3tlYeh Platte <br /> Egeln <br /> Conservancy District will make non-charge water available uri- <br /> from the Colorado Big Thompson project because of the high 200 <br /> storage levels in their reservoirs on the west slope. 190 <br /> i �150 �\\ <br /> tC 140—"/\ 7 <br /> S 120 //�\ <br /> F 1aD�// \�\ <br /> g so <br /> 40-," <br /> 20" <br /> '1;.--- <br /> , Z\__ //.\\ f\\ / \ 7/7 <br /> 07I Ion Noro.toeth Eleven Mt la Chas.,., Jackson Mrr Lake <br /> ® Avg. 2/28 Content. ® 2/29/95 Content. <br /> 3 <br />