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<br />OJ153~
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<br />CONTENTS
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<br />CHAPTER 1 - INTRODUCTION . . . . . . . . . . . . . , . . . . . , . , . . . , . . . . . . . . . . . . . . . . . . . . . , . 1
<br />Need for and Purpose of Action. . . . . . . . , . . . , . , . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . 1
<br />Background Information ................,.,..,...........,............,... 3
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<br />Scope ...........................,...........,........................, 4
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<br />CHAPTER 2 - ALTERNATIVES . . . . . . . . . . . . . . . . , . . '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
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<br />Preferred Alternative ................,...,.,.............................. 7
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<br />No Action. . . . . . . . . , . . . . . . . . . . . . . . . . . . . , . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
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<br />Fish Ladder with Hydropower Plant ..........................,.............. 8
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<br />Design ..........................,..,............................ 9
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<br />Construction . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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<br />Operation, Maintenance and Replacement Measures . . . . . . . , . . . . . . . . . . . . . 10
<br />Water Supply for Fish Passage .............,..........,............. 11
<br />Fish Ladder without Hydropower Plant . . . . . . , . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . 11
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<br />Design ......................,....,............................. 11
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<br />Construction . . . . . . . . . . . . . . . . . . . . . , . , . . , . , . . . . . . . . . . . . . . . . . . . . . . . . 11
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<br />Operation, Maintenance and Replacement Measures . . . . . . . . . . . . . . . . . . . . . 12
<br />Water Supply for Fish Passage ........,....,......................,. 12
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<br />Dam Removal .........................,.,...............,............. 12
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<br />Design ...............,......,..,.,...............,.....,......, 12
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<br />Construction . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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<br />Operation and Maintenance. . . . . . . . . , . , . . . . . . . . . . . . . . . , . . . . . , . . . . . . , 15
<br />Water Supply for Fish Passage ,.,.....".,........................., 15
<br />Other Alternatives Considered. . . . . . . . . . . . , ; , . , . , , . . . . . . . . . . . . . . . . . . . . . . . . . 16
<br />Environmental Commitments ............,................................ 18
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<br />CHAPTER 3 - AFFECTED ENVIRONMENT AND
<br />ENVIRONMENTAL CONSEQUENCES ....,.,............................ .19
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<br />General . . . . , . . . . . . . . . . . . . . . . . . . . . , . . . . , . , . . . . . . . , . . . . . . . , . . . . . . . . . . . . . 19
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<br />Water Resources .................................,..................... 20
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<br />Ute Water Conservancy District Pump Plant Intake .....,...............,20
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<br />Water Rights .,.."..................................,.........., 21
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<br />Clifton Water District - Downstream Water Quality . . . . . . . . . . . . . . . . . . . . . . 23
<br />Ute Water Conservancy District Pump Plant - Spring Flooding. . . . . . . . . . . . ,24
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<br />Recreation Resources . . . . . . . . . . . . . . . . . . . , . , . . , . . , . . . . . . . . . , . . . . . . . . . . . . . . 25
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<br />River Boating . . . . . , . . . . . . . . . . , . . , . , . . , , . . . . . . . . . . . . . . . . . . . . . . . . . . 25
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<br />Public Safety ......,..,......,..,.,."..,......,...,.....,....... 28
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<br />Land and Facility Resources ........,.".,..,.......,.......,....,.,...... 29
<br />Protect Existing Structures. . . . . . . . . . . . , . . . , . , . . . , . . . , . . , , . . . . . . . . . . ,29
<br />Railroad and Landslide Stability ...,....",.,..........,........,.... 31
<br />Ownership of Dam and Lands .....".."...,.".......,......,....,. 34
<br />Unique Geographical Features , . . . . . . , , . . . , , . , . . , , . . . , . , . . . , . , . . . . . . , . . . . . . 35
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