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The first water flowing into Taylor Park Reservoir during the water year (water that is available <br />? <br />under the priority of the UVWUA water storage right), shall be charged against the one annual <br />filling of the UVWUA water storage up to the extent of the one annual filling. <br /> <br />The next water flowing into Taylor Park Reservoir during the water year (water that is available <br />? <br />under the priority of the Upper Gunnison River Water Conservancy District water storage right <br />decreed in Case No. 86CW203 for the refilling of Taylor Park Reservoir), shall be charged <br />against the one annual filling of the Upper Gunnison District water storage right up to the <br />extent of the one annual filling. <br /> <br />Outflows that occur from Taylor Park Reservoir that exceed patterns set forth in paragraph 22 <br />? <br />of the decree in Case No. 86CW203 shall not be considered releases from water stored under <br />either the UVWUA's or the Upper Gunnison District's water storage rights. <br /> <br />Releases that are made from the Taylor Park Reservoir shall be charged first against the water <br />? <br />stored under the UVWUA's water storage right, and shall be considered as having been used <br />pursuant to UVWUA's obligations and the Upper Gunnison District's rights under the 1975 <br />agreement. Such releases shall establish credits in Blue Mesa Reservoir pursuant to the above- <br />mentioned contracts. In the event that such releases exceed the water stored under the <br />UVWUA's water storage right in Taylor Park Reservoir, the deficiency shall be charged against <br />the water stored under the Upper Gunnison District's water storage right under Case No. <br />86CW203. Any water belonging to the Gunnison District that is in storage on October 31 shall, <br />on that date, become part of the UVWUA's water storage right according to paragraph 5 of the <br />April 16, 1990, contract. <br /> <br />Water delivered to and diverted into the Gunnison Tunnel from the UVWUA's storage supplies <br />? <br />shall be first charged against the UVWUA's credit water in Blue Mesa Reservoir. <br /> <br />When additional water supplies are needed by the Upper Gunnison District for irrigation <br />? <br />purposes, and when such water is available from Taylor Park Reservoir under the water right in <br />Case No. 86CW203, releases of such water shall be made. These releases will be charged <br />against the water stored under the Upper Gunnison District water storage right, and shall be <br />limited to not more than 19,200 acre-feet of water in any one year. <br /> <br />If, and when, the Division Engineer determines that it is necessary to charge evaporation <br />? <br />against the reservoirs in the Gunnison River Basin, the accounting conditions shall be modified <br />appropriately to accommodate evaporation. <br />Operation of the Taylor Park/Blue Mesa Exchange in the CRDSS Program MODSIM <br />The following describes the key assumptions used in the CRDSS water rights planning model <br />(MODSIM) to simulate the operations of Taylor Park Reservoir and the Aspinall Unit. <br />Blue Mesa Reservoir is simulated using three storage accounts: 1) the Blue Mesa senior <br />? <br />storage decree for 940,755 acre-feet, 2) the Blue Mesa junior storage decree for 122,702 acre- <br />feet, and 3) UVWUA's exchange credit account. <br /> <br />7 <br />A275 01.09.95 1.15-21 Fosha, Hyre <br />