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<br />. i .~. .t, .-j <br />. ~ 0 ~ ,~ <br /> <br />.' .r' <br /> <br />((~' 24. EOM Content Reduction - Total Narrows Reservoir outflow whichinc1udes <br />evaporation and seepage. Computed and equal to line 23 + line 16 <br />+ line 17. <br /> <br />NARROWS RESERVOm <br /> <br />25. EOM Content - Narrows Reservoir end-of-month surface storage content. <br />The minimum EOl\! content is governed by the amount of historic Jackson <br />Lake Storage (line 3) plus dead and inactive pool content reflecting the <br />50-year sediment encroachment of 30, 000 acre-feet. Line 25 is computed <br />and equal to previous month line 25 + line 12 - line 24. <br /> <br />WATER UTILIZATION <br /> <br />Historic <br /> <br />CC> <br /> <br />26. Narrows Res Divert Reqmt - Total river headgate diversion requirements to <br />irrigate 134,600 productive acres of irrigable land and for 19,600 produc:, <br />tive acres of intermittently irrigated land, historically irrigated by 23 ditches <br />between the Narrows Dam site and the Colorado-Nebraska State Boundary. <br />This was computed in the 1965 Narrows Unit ''Historic Farm Water <br />Utilization Study. 11 <br />27. River eqiv of Hist Pump - River diversions equivalent of historic ground-water <br />pumping on irrigable lands of line 26. Estimated historic ground-water <br />pumping by ditch systems (Table 7 of Appendix II - Hydrology) increased <br />by canal losses. <br />28. Hist Divert to Irrigation - Historic diversions below Narrows Reservoir to meet <br />crop requirements from "Historic Farm Water Utilization Study." This <br />represents the monthly dver diversions and off-stream reservoir releases <br />made to the lands historically served by the 23 major ditch systems. ' <br />29. Divert Demand WiG Project - Diversion demand below Narrows Reservoir <br />without the project. Prior to 1962, this item was computed and equal to <br />line 26 - line 27 - line 28. For the years 1962 - 1974, this item was based <br />on a correlation developed by Mr. Edson Holland, USBR, which related the <br />historic Inflow to Narrows Reservoir, to the diversion shortages below <br />, ~ <br />Narrows without the proJect. ' <br /> <br />With Project <br /> <br />30. Direct Divert Weldon Right - Weldon Valley Ditch water available below Narrows <br />Reservoir with project. This assumes that the yield from Weldon Valley <br />Ditch water rights will supply supplement water to the nearest ditches below <br />Narrows Reservoir so that no noticeable chaDge in return flow will occur. <br />Computed if line 29 is greater than line 9 as equal to line 9 and if line 29 is <br />less than line 9 as equal to line 29. <br /> <br />,~ <br />