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Final Environmental Assessment — Chapter 2— Alternatives <br />entrance. In discussions with CDOT, a 33 foot offset of the fish passage channel was <br />established to allow for future widening of Interstate 70. Stop -log channels were added Is <br />to the fish passage notch to address Ute Waters concerns about maintaining service <br />during extreme low river conditions if their main pipeline was out of service. <br />Reclamation would construct this alternative if any of the following conditions are not <br />met. Conditions include: 1) a local governmental entity securing non - recovery program <br />funding for the incremental costs associated with construction of the Downstream Rock <br />Fish Passage with Whitewater Features Alternative, 2) obtain the necessary permits and <br />easements from underlying land owners (Palisade and Mesa County Irrigation Districts, <br />E.R. Jacobson, Union Pacific Railroad, and CDOT), and 3) a local governmental entity to <br />sponsor and assume liability and maintenance responsibility for the whitewater features. <br />This alternative includes only the existing public access to the diversion dam via access <br />to the Colorado River from Colorado River State Park - Island Acres. <br />Construction <br />The rock fish passage structure would be completed under a construction contract. <br />Before fish passage could be constructed, authorization for modification of the dam <br />would be obtained from the owners of the dam, Palisade and Mesa County Irrigation <br />Districts. Temporary construction easements, permanent easements and <br />intergovernmental agreements would also be acquired from all affected land owners <br />before construction. Reclamation would negotiate protective measures to reduce impacts <br />12 <br />4 � <br />C ta` <br />6 <br />Figure 4- Hogback Diversion Dam Rock Fish <br />Passage on the San Juan River, New Mexico <br />Construction <br />The rock fish passage structure would be completed under a construction contract. <br />Before fish passage could be constructed, authorization for modification of the dam <br />would be obtained from the owners of the dam, Palisade and Mesa County Irrigation <br />Districts. Temporary construction easements, permanent easements and <br />intergovernmental agreements would also be acquired from all affected land owners <br />before construction. Reclamation would negotiate protective measures to reduce impacts <br />12 <br />