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Status of Phasc <br />Problem Statement <br />1. Proviee 5,000 ds ol Program Water br Ihree days lo ihe Overton gage on the Platle River in <br />centrai Nebreska lor pulse Iluws when other demands that may be compettng br nver <br />channel and imgation systom capacity are bw (normally September t- May 31). Assuming <br />thls wator-deUvery availabdity. Program water may be used to supplement ewsting flows to <br />achieve pulse Ibws in excoss oi 6,000 cfs two out of Ihree yeers. II these Iiows are achieved <br />by ezisling Ilows (without Program water), Ihe delivenes ol Program water would not be <br />necessary. <br />t IdenUfy feasible rtteasures and quantify ihe Program water necessery to ensure a yield ot <br />8O0 c1s of Program weter al Ihe Overton gepe during the iMgeNon season (May 1 through <br />Seplomber 30). <br />Status of Phase <br />for 800 cfs Target flows <br />ses I and II <br />- Average years; flow achieve(i abuut 14o d,iy>, )t 1;,?1 tiri: ,,;,.• Req'd release: - 343,000 ac-tt (Cases I and II) <br />- Wet years: flow achieved about 105 days of 153 day season <br />• Req'd release: - 280,000 - 293,000 ac-ft (Case I- Case II) <br />- Dry years: Ilow achieved about 120 days of 153 day season <br />• Req'd release: - 580,000 ac-ft (Cases I and I I i <br />- Constraints include: <br />• Case I: Keystone Div, North Platte ramp, Ncnth Piottu c.h?F? 1; <br />• Case II: North Plane choke pomt