|
<br />I
<br />I
<br />, ;
<br />
<br />, I
<br />
<br />"i
<br />
<br />~
<br />
<br />002953
<br />
<br />PHASE 1
<br />COORDINATED FACILITIES WATER
<br />AVAILABILITY STUDY
<br />FOR THE
<br />ENDANGERED FISHES OF
<br />THE UPPER COLORADO RIVER
<br />
<br />CONTENTS
<br />
<br />Page
<br />
<br />LIST OF TABLES ............................................................................................................,.......,.... iv
<br />
<br />ACRONYMS .....................,.,.......,.................................................................................._.,.......,....,.v
<br />EXECUTIVE SUMMARY ......................,................................,...............................................ES-I
<br />
<br />CHAPTER 1 INTRODUCTION AND PURPOSE.................................................................... 1-1
<br />
<br />1.1 GENERAL _... .... ..... ....... ................. ................. ..... ... .... ... .... ........... ..... ..........,........,. .;..... ..... 1-1
<br />1.2 BACKGROUND ...,..........................._.........,...........................................,............,............. 1-2
<br />1.2.1 Late Summer and Fall Base Flow Period Augmentation..................................... 1-3
<br />
<br />1.2.2 Spring Peak Enhancement ................................................................................... 1-5
<br />
<br />CHAPTER 2 GROUND RULES AND ASSUMPTIONS ......................................................... 2-1
<br />
<br />2.1 INTRODUCTION .................,................................................,......................,.......,............ 2-1
<br />2.2 GROUND RULES.......................................................................,......................................2-1
<br />
<br />2,2.1 Administration.. .......... .......' ... ...... .... ...... .... ......... ...... ......... ....................... ...... ..... 2-1
<br />2.2.2 No Restrictions on Alternatives Investigated ......................................................2-2
<br />2.2.3 Evaluation and Screening Criteria ......................................,................................ 2-3
<br />2.2.3.1 Impact on Existing Projects' Yields ...................................................... 2-3
<br />2.2.3.2 Effect on Existing Projects' Operations and Maintenance Costs .......... 2-4
<br />2.2.3.3 Effect on Existing Projects' Operational Flexibility or Reliability.,..... 2-4
<br />
<br />2.2.4 RlPRAP Alternatives,..., ...,...... ...... ......,..... ......... .......,............. ...........,.....,... ....,., 2-4
<br />2.2.5 Incentives for Participation ...............................................................................,., 2-4
<br />
<br />2.3 ASSUMPTIONS.............. ........,............ .... .......... ... ....... ...... ...... ....... ........... .... ...............,..,. 2-5
<br />
<br />2.3.1 Model., .....,..,..... .... ....,.,.,.... ........ ...,....,...,.., ....... ......... ......... ....,... ....,....... .....,.."... 2-5
<br />2.3.2 Baseline Hydrology ..,.......,.......................................................,.............,.......,.... 2-6
<br />2.3.3 Baseline Conditions...................,..,........... ........ .................. ............ .....,.....'......... 2-8
<br />
<br />2.3.4 Flow Targets ..............,..........,.......,.........................................................,.......".,.2-8
<br />
<br />2.3 ,5 Scoring.......,.,.......,. ......,.,... .......,.. ........... ...........,. ...... ......., ... ......'...,......., ........,. 2-10
<br />2.3.6 Coordinated Reservoir Operations Group.......................................................... 2-11
<br />
<br />2.3.7 Piscatorial Purposes ........................................................................................... 2-11
<br />
<br />CHAPTER 3 ALTERNATIVES ................................................................................................ 3-1
<br />
<br />3.1 INTRODUCTION ....,........,.........,...,. .....................,....... ....... ... ....,.,.. ........ ........,.....,..., ...... 3-1
<br />3.2 EXPANDED COORDINATED RESERVOIR OPERATIONS ........................................ 3-3
<br />
<br />p:\data\gen\Ocwcb\18133\report\phase-1 \contentsdoc
<br />
<br />1
<br />
|