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Last modified
7/14/2009 5:02:32 PM
Creation date
5/20/2009 3:24:48 PM
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UCREFRP
UCREFRP Catalog Number
8089
Author
U.S. Bureau of Reclamation.
Title
Final Environmental Assessment Gunnison River Activities, Passageway Around the Redlands Diversion Dam and Interim Agreement to Provide Water for Endangered Fish.
USFW Year
1995.
USFW - Doc Type
Grand Junction, Colorado.
Copyright Material
NO
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Dependent upon current hydrologic conditions and the available water supply, Reclamation <br />would implement an operating plan which removes the need for administrative calls by these <br />senior water rights when making releases for endangered fish. If an operating plan cannot be <br />implemented which removes the need for administrative calls, then the parties to the agreement <br />may reduce the 300 cfs fish release in order to minimize administrative calls. Simply, this <br />means that post-Aspinall Unit water availability would be maintained as much as possible <br />through Aspinall Unit operational flexibility, and increased calls on the river (which could harm <br />some water users) would not be likely. The 400,000 acre-foot threshold was selected by <br />examining historical storage records and determining the storage level that would least impact <br />operations in subsequent years. <br />Alternative B (Protection of Basin Water Users through Contracts)-Under Alternative B, the <br />agreement would maintain flows of 300 cfs downstream from the Redlands Diversion Dam as <br />in Alternative A. In order to provide formal protection of downstream mainstem water users, <br />it would be necessary to execute water delivery contracts with each individual and entity who <br />have historically benefitted from Aspinall Unit operations. These contracts may be subject to <br />the Reclamation Reform Act of 1982 (RRA). The RRA contains, among other things, <br />provisions that limit the amount of acreage a landowner and/or lessee is allowed to irrigate with <br />water purchased from Reclamation. The RRA also contains provisions that may affect the price <br />paid for Reclamation irrigation water. Water users with contracts would not be affected by <br />protection of the interim water deliveries to endangered fish. Water users without contracts <br />would be subject to water rights administration. This means some water users who have <br />received water released from Blue Mesa would stop receiving water. <br />Alternative C CN_o S=ial Protection of Basin Water Users)--Under Alternative C, the agreement <br />would maintain flows of 300 cfs downstream from the Redlands Diversion Dam in the months <br />of July through October. The agreement would not specify any special operational <br />considerations for determining releases from the Aspinall Unit to help maintain post-Aspinall <br />Unit water supplies. Under this alternative, some water users who have received water from <br />Blue Mesa would stop receiving water. <br />Under all alternatives, water would be available to interested water users, based on available <br />supplies, from the Aspinall Unit through contracts. These alternatives for the interim water <br />agreement are discussed in more detail in Chapter 3, under "River Flows, Water Rights, and <br />Water Use." The signatory parties to the interim agreement--Reclamation, Colorado Water <br />Conservation Board, and the Service were chosen because of their regulation of Blue Mesa <br />storage, their responsibilities for the waters of Colorado, and for their responsibilities for <br />monitoring endangered species, respectively. <br />As part of the proposed interim agreement (Alternative A), Reclamation, in cooperation with the <br />State of Colorado and water user organizations, will monitor effects on water users. As stated <br />previously, it is anticipated that a long-term water contract will be developed in the future. The <br />interim agreement is not intended to be a precedent or to preclude options and alternatives in <br />developing this long-term contract. <br />11
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