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~5 The Service does not anticipate that the proposed action will result in any incidental take of tike endangered fishes; and therefore no take is authorized. ~ummarv This concludes the Service's biological opinion on the impacts of several historic and new projects. If new information becomes available, if new species are listed, or if there should be any changes in total annual amount of water depleted or any change which alters the operation or timing of the projects from that described herein and which may affect any endangered or threatened species in a manner or to an extent not considered in this biological opinion (see 50 CFR 402.16), formal section 7 consultation should be reinitiated. If during the process of fulfilling the reasonable and prudent alternative, RIP participants are unable to comply with those measures identified in this opinion, this determination would constitute new information requiring the action agencies to reinitiate consultation. Certain elements of the reasonable and prudent alternative require a 3-5 year study of Colorado squawfish, razorback suckers and their habitat needs in the Duchesne River. At the end of the study effort, data should be available to determine specific flow requirements and the extent of accomplishments in obtaining water or operational flexibility to meet those needs. Consultation will then be reinitiated or this final biological opinion will be amended to include final flow recommendations. In keeping with the RIP's section 7 agreement, existing diversions wil l continue and projects under construction will continue provided the reasonable and prudent alternative identified in the opinion is being completed as scheduled. Projects being planned will be able to proceed through construction, however, the actual diversion of those new depletions will be contingent upon completion of specifically identified RIP RAP items prior to such depletions. Because the Service has identified on-going Federal actions in this opinion as likely to jeopardize the continued existence of the listed Colorado River fishes and is likely to destroy or adversely modify their critical habitats, responsible federal action agencies need to formally notify the Service of their final decision on the implementation of the reasonable and prudent alternative. In order to keep State agencies, the Northern Ute Tribe, water user groups, and other interested parties apprised of the Service's concerns. copies of this opinion will be distributed to those entities.