WSP09693

• File Number: 8220.106
• Description: Animas-La Plata
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 7/1/2000
• Title: Final Supplemental Environmental Impact Statement - Volume 1
• Water Supply Pro - Doc Type: EIS

TABLE OF CONTENTS (continned)

Chapter Pal!e No.
3.4.4.2.3 Non-Binding Water End Uses and Conveyance

Systems ...,............,................. 3-79
3.4.4.3 No Action Alternative ...,..,........................... 3-79
3.5 WILDLIFE RESOURCES. . . . . . . . . . . . . . . . . . . . . . .. .. . .. . .. , . , . . . . . . .. . . . 3-80
3.5.1 Introduction. . . . . . . .. . . .. . . . . . . . . . . . . .. . . . . . . . . . . .. . , . . . . . . . .. . 3-80
3.5.2 Evaluation Methodology. . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . , . . . 3-81
3.5.2.1 Methodology......,........................,.......... 3-81
3.5.2.1.1 Structural Components ...............,......3-81
3.5.2.1.2 Non-Structural Components ..................3-81
3.5.2.2 Significance Criteria. . . . . . . . . , . . . . . , . . . , . . , . , . . . , . . . , . . . 3-82
3.5.3 Affected Environment. . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . , . . . . . . . . . . . 3-82
3.5.3.1 Mule Deer ........................................... 3-82

3.5.3.2 Elk, . .. . , . . .. . . . . . .. . .. . . . . . . . . .. .. .. . , . . . . . .. . . . . , . . 3-85
3.5.3.3 Golden Eagles and Other Raptors ...............,......,.. 3-85
3.5.3.4 Species Associated with Wetland and Riparian Habitats ....... 3-85
3.5.4 Environmental Consequences and Mitigation ............,.......,... 3-86
3.5.4.1 Refmed Alternative 4 . . . .. . . . . . . . .. .. .. . . . . . . . . . . . . .. . . . 3-86
3.5.4. LI Structural Component .....,....,............ 3-86
3.5.4.1.2 Non-Binding End Uses and Water Conveyance .,. 3-90
3.5.4.2 RefmedAlternative 6 ...............................,...3-90
3.5.4.2.1 Structural Component .................,..... 3-90
3.5.4.2.2 Non-Structural Component .................,. 3-91
3.5.4.2.3 Non-Binding Water End Use and Conveyance

System ................. .. . . . . .. . . .. . .. . . . 3.92
3,5.4.3 No Action Alternative ,...,.............,...,...,....... 3-92
3.6 AQUATIC RESOURCES .......,...........,.,........,............... 3-93
3.6.1 Introduction. . . . .. .. . . . . . . . .. . .. . . . . . .. . . . . .. .. .. . .. . . . .. . .. . .. 3-93
3.6.2 Evaluation Methodology. . .. . . .. . .. .. . . .. . .. .. . .. . . . . . , .. . , . . . . , . 3-93
3.6.2.1 Methodology. .. . .. .. . . . . . . . . . . . .. .. . , . . . . .. . .. . . . .. . . . 3-93
3.6.2.2 Significance Criteria. .. .. . , . . .. . , .. . , . . . . . . .. . .. . . . . . . , . 3-94
3.6.3 Affected Environment. , . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . 3-94
3.6.3.1 Trout Fishery .................,.,..................,..3-94
3.6.3.1.1 Animas River. , .. .. . . . .. . . . . .. .. . .. . . . . . , , . 3-94
3.6.3.1.2 La Plata River ............,................ 3-97
3.6.3.1.3 San Juan River ..,............,....,..,.,...3-98
3.6.3.1.4 Pine and Florida Rivers ...........,..,.......3-98
3.6.3.1.5 Lemon Reservoir.. . . . . . . . . . . , . . .. .. . . . . . . . . 3-98
3.6.3.2 Native Fishery ................,........,.............. 3-98
3.6.3.2.1 Animas River .. . . . . . .. .. . .. .. . . . . .. . . . . . . .. 3-98
3.6.3.2.2 Mancos River. . . .. . . .. . .. . . .. . . . . . . . . . . .. .. 3-99
3.6.3.2.3 La Plata River .........................,... 3-99
3.6.3.2.4 San Juan River. . . . . . . . . . . . .. . '" . . . . . . .. . .. 3-99
3.6.3.2.5 McElmo Creek. . . . . . . . . . . , .. . . . .. . . . . , . . . . 3-100
3.6.4 Environmental Consequences and Mitigation ....................... 3-100
3.6.4.1 RefinedAlternative4,.........,.,.,........,.......... 3-100
3.6.4.2 Refined Alternative 6 .,. ...... ................... ...... 3-107
3.6.4.3 No Action Alternative .,.........,..........,.......... 3-108

IX