Laserfiche WebLink
SOUTH PLATTE BASIN October, 1998 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 2.9 indicates that for September SOUTH PLATTE RIVER BASIN <br /> Surface Water Supply Index History <br /> he basin water supplies were above normal. Reservoir ' S <br /> storage, the major component in this basin in computing the 4 <br /> SWSI value,was 107% of normal as of the end of September. ,I ; ; ; <br /> I 3 I. III IIII I. 'Id I I, <br /> Storage in the major plains reservoirs: Julesburg, North , III, I III I IILIII uu,l I <br /> 2 II I IIII I Ili 11111111 11111111 .III <br /> Sterling, and Prewitt, by16 800 acre-feet duringIII u L L i 11111•.1 III 111111111 Illlllll 11111111 <br /> 1 II'I III I II 1111 1 11111 II I II 111 111111111.IHIll1l 11111111 <br /> 1 II 1 IUI 11111, 111111 1,111111111 fl III IIR1111111111111' 11111111 <br /> September and are at 27% of capacity. Storage in the major 1..11.11. 1111 1111111 ,,Milli ,IIIIIIIII 11 1 II III 11111111111111111 11111111 <br /> �+' 11111111ff 1111 1111111 111[1111 1111111111111 111 II III 11111111111111111 11111111 <br /> upper basin reservoirs: Cheesman, Eleven e, Spinney, and D 111111111 lllllll III I 1111111 II111111 1111111111 111 .111 I I III 1'111111P 1111111 11111111 <br /> I 1 1 <br /> Antero, decreased by 21,835 acre-feet and are at 86% of �;;I� I';�' I <br /> capacity. The mean daily flow of the South Platte River at the y 1 <br /> Kersey gage was 545 cfs, as compared to the long term -2 <br /> average of 727 cfs. Flow at the Colorado/Nebraska state line -3 <br /> averaged 272 cfs. -4 <br /> JAN89 JAN90 JAN91 JAN82 JAMS JAN94 JAMS JAN98 JAN97 JAMB <br /> Irrigators began to curtail their use in the month of MONTWYEAR <br /> September as crops began to reach maturity. Except for some <br /> minor irrigation,especially hay, irrigation was finished by the <br /> end of September. <br /> Water Supply conditions were good during the month <br /> with no mainstem call below Denver. The calls on the SOUTH PLATTE RIVER NR. KERSEY <br /> mainstem South Platte were 1885 or 1908 Burlington bypass 2.• FLOW BY HATER YEAR <br /> calls the first part of the month,and storage calls the last half 2.8 V <br /> of the month. The stream flow conditions allowed recharge 2.4 <br /> 2.2 <br /> to begin the later part of September. Additional recharge is 2 <br /> anticipated to continue. 1.B <br /> Reservoir storage levels continue to be average or ,., <br /> above average on both the mainstem and tributaries. 2 <br /> S ' <br /> )utlook D.8 . <br /> The initial outlook for next year's water supply is very <br /> D 4 <br /> positive. 0.2 <br /> • <br /> There should be no difficulty filling reservoirs this fall <br /> Oct Nov Dec Jan Feb March April May Jun. July AuD Sect <br /> and winter unless severe weather conditions occur that do not „INTH <br /> allow the refilling of those off-stream reservoirs that can have PET`"°" DRY"'°'' AVG 0 "'° <br /> icing problems with their inflow ditches. <br /> Public Use Impacts <br /> While crop production is expected to be good this REPRESENTATIVE RESERVOIRS <br /> year,low grain prices continue to be a significant concern for 260 SOUTH PLATTE RIVER BASIN <br /> farmers. 24D <br /> 225 <br /> 200 <br /> • <br /> //// <br /> ,e0— <br /> 180 _\ <br /> 4,, 140 / \` <br /> §tl <br /> 2 120 <br /> t ADO ///��,\ <br /> I80 J////�\\\` �/-/��\[� •i//���\� <br /> 80 ��\✓/ <br /> DI I Ion Ho-s.teoth Eleven MIS i• Ch..con Jackson Barr Lein <br /> ® AYq. 9/30 Content. ® 9130/98 Contents <br /> 3 <br />