WSP10595

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

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TABLE OF CONTENTS (continued)

Pal!e No.

3.5

3.4.2.1 Methodology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58
3.4.2.1.1 Structural Components ......................3-58
3.4.2.1.2 Non-Structural Components .................. 3-58
3.4.2.1.3 Non-BindingM&I Water End Uses and
Distribution Systems ........................ 3-58
3.4.2.2 Significance Criteria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58
3.4.3 Affected Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-59
3.4.3.1 Structural Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-59
3.4.3.1.1 Ridges Basin .............................. 3-60
3.4.3.1.2 Basin Creek . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . 3-62
3.4.3.1.3 Animas River.... . ...... .. . . .. .... ... . ... ..3-62
3.4.3.1.4 San Juan River.. ... . . .... ..... . .. .... . . . ...3-63
3.4.3.15 Lemon Reservoir . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-63
3.4.3.2 Non-Structural Component .............................. 3-64
3.4.3.2.1 Mancos River. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64
3.4.3.2.2 Pine River ................................ 3-64
3.4.3.2.3 McElmo Creek. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-66
3.4.3.3 Non-Binding Water End Uses and Conveyance Systems ....... 3-66
3.4.3.3.1 La Plata River ............................. 3-66
3.4.4 Environmental Consequences and Mitigation ........................ 3-67
3.4.4.1 Refined Alternative 4 ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-67
3.4.4.1.1 Structural Component.. .. ... . . .... ... . . . .. ..3-67
3.4.4.1.2 Non-Binding Water End Uses and Conveyance

Systems .................................. 3-71
3.4.4.2 Refined Alternative 6 ................................... 3-73
3.4.4.2.1 Structural Component. ... . . .... ....... .. . ...3-73
3.4.4.2.2 Non-Structural Component ................... 3-73
3.4.4.2.3 Non-Binding Water End Uses and Conveyance

Systems .................................. 3-75
3.4.4.3 No Action Alternative .................................. 3-75
WILDLIFE RESOURCES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-75

3.5.1 Introduction.... ..... . .. .. . . . . ...... . . . . . ... .... . . ... ... . . .....3-75
35.2 Evaluation Methodology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-76
35.2.1 Methodology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-77
35.2.1.1 Structural Components .....................: 3-77
35.2.1.2 Non-Structural Components ..................3-77
35.2.2 Significance Criteria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-77
35.3 Affected Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-78

35.3.1 Mule Deer ...........................................3-78
35.3.2 Elk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-78
35.3.3 Golden Eagles and Other Raptors .........................3-81
35.3.4 Species Associated with Wetland and Riparian Habitats .......3-81
35.4 Environmental Consequences and Mitigation ........................ 3-81
35.4.1 Refined Alternative 4 ................................... 3-82
35.4.1.1 Structural Component ....................... 3-82
35.4.1.2 Non-Binding End Uses and Water Conveyance.. . 3-85
35.4.2 Refined Alternative 6 .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-86
35.4.2.1 Structural Component. . . ... . . . . ...... .... .. . 3-86
3.5.4.2.2 Non-Structural Component ................... 3-87

VIII