|
<br />OQIG58
<br />
<br />Table of Contents
<br />
<br />CHAPTER I-INTRODUCTION ... ............,...... ........ .........,..................... ............ ............... .......... 1
<br />Need for and Purpose of Action ..............i,...................................................................,.............. 1
<br />
<br />Background Information,.,..,..,......,...,..,...........,..,......,..........................".........,......,.................., 3
<br />
<br />Scope......,...............",....................,...".,...........,.....................,................................,............ ....... 4
<br />
<br />Water Resources.................................,...................................."................... ~.,.............,......... 4
<br />
<br />Recreation Resources ...,.., ... .......... ...,.... ......., '" ..,., ..... ... ........... ................... ................ ............ 5
<br />
<br />Public Safety..,....,.....................................,........,..................................................................... 5
<br />
<br />Land and Facility Resources .....................................,............................................................. 5
<br />
<br />Unique Geographic Features ....... ........ ..... ..., ...... .,. ................... ..... ,. ... ... ................. .......... ,...... 5
<br />
<br />Fish and Wildlife Resources .............................................,..................................................... 5
<br />
<br />Cultural Resource............................................... ,.......,.,............................,............................, 6
<br />
<br />Social and Economic Resources................................... ...............................,............. ............. 6
<br />
<br />CHAPTER 2-AL TERNA TIVES ....................................,..............,......................,.........,...,.........7
<br />
<br />Preferred Alternative............................,...,.,..............................".......................,............,...,....... 7
<br />
<br />No Action...........,....,.............,.. ......,.....,...........,...........,...............,.............................,......,......... 8
<br />
<br />Conventional Fish Ladder........ .............."......,....................,......,.....................................,.......... 8
<br />
<br />Design.................,................................,.........................................,........................,............... 9
<br />
<br />Construction..............................,......,.......................,.......................................... ...'.............. 10
<br />
<br />Operation, Maintenance and Replacement Measures ........................................................... 11
<br />Water Supply for F ish Ladder.... ........................................................ .............................. ..... 11
<br />Downstream Rock Fish Passage....................... ................,........... ........................ ..................... 12
<br />
<br />Design.......... .'................,.,..,.........................................................................................., ....,.. 12
<br />
<br />Constructi on ...........'.....,..............................................., .........,...'....... ........... ........................ 14
<br />
<br />Operation, Maintenance and Replacement Measures ........................................................... 14
<br />Water Supply for Fish Passage..... .............................. ............ .............................................. 16
<br />Downstream Rock Fish Passage......................................................................,.................... ..... 16
<br />with Whitewater Recreation Features............................ ................................... ..... ...... ......... .... 16
<br />
<br />Design............. .'.................................................................................,...............,.................... 18
<br />
<br />Construction...................................................,...................................................................... 17
<br />
<br />Operation, Maintenance and Replacement Measures ...........................................................19
<br />
<br />Dam Removal....................,...,..............................,...............................................................,.... 19
<br />
<br />Design.................,.,...............................,............................................................................... 19
<br />
<br />Construction................................................,......................................................................... 21
<br />
<br />Operation and Maintenance ........ .......... ,.. .... .....,....................................,.. .... ........... .............22
<br />
<br />Water Supply.................,................"...................................................................................,. 22
<br />
<br />Environmental Commitments.................. .....................,..................................,.........,............... 22
<br />
<br />CHAPTER 3-AFFECTED ENVIRONMENT AND ENVIRONMENTAL CONSEQUENCES
<br />
<br />...............................................................................................................,........................... ............. 24
<br />
<br />General.........................................................................,.................,.......................................... 24
<br />
<br />Water Resources..................................................... ...................................,............................... 25
<br />
<br />Ute Water Conservancy District Pump Plant Intake............................................................. 25
<br />
<br />Water Rights...........................................................................................,............... .........,......... 25
<br />
<br />Clifton Water District-Downstream Water Quality ................................................................ 27
<br />Ute Water Conservancy District Pump Plant-Spring Flooding .............................................. 29
<br />
<br />Recreation Resources. .... ....,.. ....... .., .... ...,....... .....".,..... ....... ..,... .,.. ...... ... '" ,.................... ......,.,.. 29
<br />
<br />Public Safety.............................................................................,............,................................... 34
<br />
<br />Land and Facility Resources ... ......... ...... .......... .................... ...... ................. ........ ............... ....... 35
<br />Protecting Existing Structures.................................,...............,........,.................................... 35
<br />Railroad and Landslide Stability ........................... ....... ..... ....,......,....... ........ ......... ......... ........... 37
<br />
<br />111
<br />
|