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used above the Gunnison Course, such change in use, in addition to being subject to Colorado's <br />no-injury rule, would require that proper anangements be made with the United States. Id. at <br />342 (party must contract with the United States for use of Aspinall Unit water). Under Vidler, it <br />is inappropriate to consider a hoped-for change in Aspinall operations in awarding water rights <br />for the RICD. Similarly, future use of Gunnison River water to satisfy Fish and Wildlife Service <br />minimum flow recommendations or reserved rights for the Black Canyon of the Gunnison <br />National Park should not interfere with adjudication of the Applicant's right. See id. <br />B. Injury to Existing In-Stream Flow Rights <br />In its discussion of in-stream flow water rights, the Staff states that, unless the Applicant <br />were to consent to such a condition, the Staff agrees with TU's suggestion that the CWCB not <br />recommend subordination of the undecreed off-stream diversion in the West Branch to the RICD <br />water right. Staff Prehearing Statement at 7. The Staff misstates TU's position. The suggestion <br />TU has made is that the CWCB not recommend subordination of the RICD right to the West <br />Branch; TU is not concerned about subordination of the West Branch to the RICD right. 77I <br />Prehearing Statement at 2. Based on the Staff's discussion, TU believes that the Staff <br />understands and agrees with TU's suggestion, but simply made a misstatement. <br />C. Maximum Utilization of the Water of the State <br />The Staff, NERC and the River District argue that the RICD right could impede <br />maximum utilization of the waters of the state. Staff Prehearing Statement at 7; NERC <br />Prehearing Statement at 1; River District Prehearing Statement at 2-3. In the Pueblo <br />proceeding, the CWCB rejected similar arguments concerning maximum utilization of the state's <br />waters. Findirrgs of Fact and Final Recommendation of the Colorado Water Conservation <br />Board to the Water Court, Water Division 2, Case No. 0 1CW160. <br />The Colorado Supreme Court has stated that maximum utilization involves "maximizing <br />the use of Colorado's limited water supply for as many decreed uses as possible consistent with <br />meeting the state's interstate delivery obligations under United States Supreme Court equitable <br />apportionment decrees and congressionally approved interstate compacts." Empire Lodge <br />Homeowners' Ass'n v. Moyer, 39 P.3d 1139, 1150 (Colo. 2001). Additionally, the court has held <br />that: <br />The policy of maximum utilization does not require a single-minded <br />endeavor to squeeze every drop of water from the valley's aquifers. C.R.S. <br />§ 37-92-591(2)(e) makes clear that the objective of "maximum use" <br />administration is "optimum use." Optimum use can only be achieved with <br />proper regard for all significant factors, including environmental and <br />economic concerns. See C.R.S. § 37-92-102(3). <br />Alamosa La-Jara Water Users Protection Ass'n u Gould, 674 P.2d 914, 93 5(Colo. 1983). <br />The Gunnison Course places the water of a highly-appropriated river to additional legally <br />recognized beneficial use without injury to any existing absolute or conditional water rights.