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<br />. <br /> <br />0739 <br /> <br />Unde.r.....the change in ~ater use plan, only~ the consumptive use of the, <br />------ - <br /> <br />Division of Wildlife's sharLoLthe...Ca,t.lin _di'l.e.rs~ol)i8claimed_bJ:_tl1e. <br />--.- - ---- <br /> <br />Division. Th~ainin~portio~ is r,:t,:!r.'2.:~ _ to the riv", to_ r.eplace th~ <br />reLurn flow lost by not applying 11.24 percent of the Catlin's diversion. <br />c: ----------- -- - -~ - ---. <br /> <br />Th:i..s.-I:cplacement-does -not 'add-any new water to. the system, but it doe.s_ <br /> <br />alter~he timing of the available W~~!._.Under normal operation <br />6 3 <br />simulation, the annual return flow of about 1,300 acre-feet (1.6xlO m) <br /> <br />would reach the river at an approximately steady rate of 110 acre-feet <br /> <br />- <br /> <br />5 3 <br />(1.4xI0 m) per month. Under the change in water use plan most.of this <br /> <br />1,300 acre-feet .(1~~XI06 m3) reaches the river during the middle of the <br /> <br />irrigation season and is available to other irrigators. Under normal <br /> <br />~ ~ <br /> <br />5 3 <br />conditions, 550 acre-feet (6.8xlO m) of the return flow of this water <br />-- - <br /> <br />.; <br /> <br />'WollIci Tp.rlch the river _~n ..E}2-e_~~t1tcr and would be stored in John Hartin <br />--- -- -- - <br /> <br />I <br />- <br /> <br />5 3 <br />Reservoir and, ~po~~leas~_ 220 acre-feet (2.7xlO .m ) would go to <br /> <br />/ <br /> <br />Kansas. <br />- <br /> <br />5 3 <br />Reuse of this 220 acre-feet (2.7xlO m) could increase the total <br /> <br />new supply for Colorado to about 280 acre-feet (3.5XI05 m3). Another <br /> <br />very noticeabl~ effect of this change in timing is seen in ~he early <br /> <br />spring of most years. River flows are down slightly in the spring when, <br /> <br />under the change in water use plan, most of the decrease in surface-water <br /> <br />diverions takes place. <br /> <br />, , <br /> <br />..." <br /> <br />21 <br />