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<br />,.1e~1 ",.Ii #1fIr~~ <br />-eA-/_ /'; i€h_,t~/""':-. <br />- 7a-..- "'.,...-A -/0 ftk.k$ <br /> <br />PLATTE RIVER COOPERATIVE AGREEMENT <br />AND <br />COLORADO'S TAMARACK PLAN <br /> <br />November, 2001 <br /> <br />I. Colorado's water commitment under the 3-state cooperative agreement is as <br />follows: <br /> <br />1. 10,000 AF by the end of year 4 ofthe 151 program increment <br />2. The offset of post 1997 depletions by the beginning of the 151 program <br />increment (Future Depletions) (This is population based an computed in a <br />spreadsheet some call the black box) <br />3. 17,000 AF approximately 2-years prior to the end of the 151 program <br />increment <br /> <br />Thus, Colorado's total commitment is 27,000 AF plus the offset of post 1997 <br />depletions. The purpose is to reduce shortages to the "target flows" in the critical <br />habitat in Nebraska. Our goal is to retime excesses to the flow targets during <br />November, December and January and make up shortages in February and March <br />and to some extent during the compact\irrigation season (April 1- October 15). /Z4 1< ~)<. l 't~ <br />~ s'3:.....!"..~ l:r':l. '''ie. <br /> <br />The objective is to have the re-timed water arrive at stateline unprotected in <br />Colorado and to let the USFWS and Nebraska protect the flow to and through <br />critical habitat. Given the above, this is most easily accomplished if the water can <br />be delivered during February and March. <br /> <br />II. One ofthe major issues is who gets to use how much of the excess target flows <br />and when (see attached tables 7&8). Colorado should take the position that we <br />can use those flows whenever they are also surplus to the South Platte River <br />Compact flow of 120 cfs at stateline between April 1 and October 15. <br /> <br />m. Implementation of the Tamarack Project is supported by a number of funding <br />sources and coordinated by the "South Platte Lower River Group" (NCWCD, <br />LSPWCD, GASP and Denver Water). The contributions are as follows: <br /> <br />· $20,000 per year (5,000 per year from each ofthe 4 entities) <br />· $225,000 (in 3-separate grants from the CWCB to date) <br />· $209,000 (CD OW Capital Construction Funds) <br />· $30,000 (Grant from the U.S. Bureau of Reclamation) <br />. $85,000 (Grant from Ducks Unlimited) <br />· $80,000 (Colorado Species Conservation Trust Fund ofHB1006) <br /> <br />N. Currently, Tamarack consists ofthe following features: <br /> <br />. 10-wells <br />