WSP12495

• File Number: 8221.109
• Description: Colorado River Basin Projects - Long Hollow
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 9/1/2003
• Author: Wright Water Engineers - Ecosphere
• Title: Long Hollow Reservoir - Feasibility Study-Biological Assessment and Addendum
• Water Supply Pro - Doc Type: Publication

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TABLE OF CONTENTS

Paae

INTRODUCTION............. ....... ....... ....... ... ............. .......................... .............. ........... .... .... 1

1 .1 Requests by the Service...................... ................................................................................1
1.2 Response to Service Requests ...........................................................................................1
11.3.1 Colorado Pikeminnow (Ptychocheilus lucius) .....................................................2
11.3.2 Razorback Sucker (Xyrauchen texanus) ............................................................8
11.3.3 Bald Eagle (Haliaeetus leucocephalus) ............................................ .................14
11.3.4 Southwestern Willow Flycatcher (Empidonax traillii extimus) ...........................19

TABLES

Table 1, Revised November 2003, Summary of Effects to Federally Listed Species ....................28
Table 2, Revised November 2003, Habitat Description and Potential Impact to Threatened,
Endangered, and Candidate Species. .. . . .. .... .. . .. . .. .. . . .. .... .. . . . . .. . ... .. . . . ... . . .. . . . . . . . . . .. .. .. .. .. .. .. ..29

APPENDICES

A
B
C

October 22,2003 U.S. Fish & Wildlife Service Letter to U.S. Army Corps of Engineers
Summary of San Juan River Model Outputs-Historic and Full La Plata River Compact
La Plata River Compact Correspondence Between Colorado and New Mexico