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

~

I

Chanter

I

TABLE OF CONTENTS (continued)

l
, I
~ I

Faile No.

2.3

EVALUATION OF ALTERNATNES.................................... 2-21
2.3.1 Alternatives Evaluation Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
2.3.1.1 Evaluation of Existing Data and Data Collection .............2-21
2.3.1.2 Environmental Evaluation Process. . . . . . . . . . . . . . . . . . . . . . . . . 2-22
2.3.1.3 Purpose and Need Evaluation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
2.3.1.4 Technical and Economic Evaluation ....................... 2-24
2.3.2 Description and Evaluation of Alternatives .......................... 2-24
2.3.2.1 Alternative I - Administration Proposal .................... 2-24
2.3.2.1.1 Structural Component.. ... . . . . ... .. .. .. .... . 2-24
2.3.2.1.2 Non-Structural Component. . . . . . .. ... . ., . ... . 2-25
2.3.2.1.3 Environmental Impacts Associated with
Alternative 1 .............................. 2-31
2.3.2.1.4 Evaluation of the Capability of Alternative 1 to
Meet Purpose and Need Requirements of the

Project ................................... 2-32
2.3.2.1.5 Evaluation of the Technical and Economic Merits
of Alternative 1 ............................ 2-32
2.3.2.2 Alternative 2 - Administration Proposal with Recreation
Element Added . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33
2.3.2.2.1 Structural Component........ . ... .. .. .. .....2-33
2.3.2.2.2 Non-Structural Component ................... 2-33
2.3.2.2.3 Environmental Impacts Associated with
Alternative 2 .............................. 2-33
2.3.2.2.4 Evaluation of the Capability of Alternative 2 to
Meet Purpose and Need Requirements of the
Project ................................... 2-34
2.3.2.2.5 Evaluation of the Technical and Economic Merits of
Alternative 2 .............................. 2-34
2.3.2.3 Alternative 3 - Administration Proposal with San Juan River Basin
Recovery Implementation Program Element Added ........... 2-35
2.3.2.3.1 Structural Component....................... 2-35
2.3.2.3.2 Non-Structural Component ...................2-35
2.3.2.3.3 Environmental Impacts Associated with
Alternative 3 .............................. 2-35
2.3.2.3.4 Evaluation of the Capability of Alternative 3 to
Meet Purpose and Need Requirements of the

Project ................................... 2-36
2.3.2.3.5 Evaluation of the Technical and Economic Merits
of Alternative 3 ............................ 2-36
2.3.2.4 Alternative 4 - Administration Proposal with San Juan River
Basin Recovery Implementation Program and Recreation
Element Added. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-37
2.3.2.4.1 Structural Component ....................... 2-37
2.3.2.4.2 Non-Structural Component ................... 2-37
2.3.2.4.3 Environmental Impacts Associated with
Alternative 4 .............................. 2-37
2.3.2.4.4 Evaluation ofthe Capability of Alternative 4 to
Meet Purpose and Need Requirements of the

Project ................................... 2-38

II