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. . Comparison of New Instream Flow Appropriation vs. Water Donation for the Pine River New Instream Flow Appropriation Water Donation . Junior priority date (but senior to future . Releases of stored water not subject to uses) priority system (but water must have been stored in priority) . Appropriation of water to oreserve but . Donation of water to oreserve and not improve the natural environment imorove the natural environment . Summer instream flow amount 136 cfs . Summer instream flow amount 136 cfs (to preserve), and up to 360 cfs for most of summer (to improve) . Can consider contract deliveries and . PRID and the TRIBE will auarantee a senior water in determining water summer flow of 136 cfs through the ISF availability during summer, but cannot reach (as long as no 'shortage" exists) require continued practice . Winter instream flow amount 75 cfs . Winter instream flow amount 50 cfs (subject to priority system) (subject to runoff projections) PLUS opportunity to purchase or lease storage water to achieve higher winter flows . Minimum winter release could be 0 cfs . Minimum winter release could be 5 cfs . ISF right must recognize existing uses or . Not subject to undecreed existing uses or exchanges whether or not confirmed by exchanges court decree (37-92-102(3)(b)) . Water availability standard for evaluating . Gage records indicate that the 50 cfs instream flow recommendations is winter donation amount meets the 50% typically the mean monthly flow which exceedence probability standard for has a 50% exceedence probability. evaluating water availability. (see Appendix 4) . Ramping rates subject to separate DOW . Ramping rates subject to separate DOW agreement agreement . Legal protection - CWCB files SOPs to . Legal protection - CWCS files SOPs only all potentially injurious applications to potentially injurious applications not guaranteed by PRID or the Tribe pursuant to the Donation Agreement