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Main |
Superintendent's
Letter |
Abstract |
Executive
Summary | Table of
Contents | Chapter 1 |
Chapter 2 |
Chapter 3
Chapter 4 |
Chapter 5 |
Chapter
6 |
Chapter 7
|
Chapter 8
|
Chapter 9 |
Tables |
Figures |
Appendices
Table of
Contents
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Introduction
Purpose Of and
Need For the Project
Relationship to Other Plans
Overview of the Alternatives
Environmentally Preferable Alternatives
Project Background
Purpose Of and Need For the
Project
Planning Context
Management Goals
Issues and Concerns
Organization of this
Environmental Assessment
Introduction
Overview of the Alternatives
Alternative 1:
No Action
Alternative 2:
East Yosemite Valley Utilities
Improvement Plan with Merced River Crossing at Housekeeping Camp
(Preferred Alternative)
Alternative 3: East
Yosemite Valley Utilities Improvement Plan with Merced River Crossing near
Sentinel Bridge
Actions Common to All Action
Alternatives
Alternatives Considered but
Dismissed
Expand Existing Utility
Infrastructure to New Development Areas
East Yosemite Valley Utilities
Improvement Plan with Superintendent’s Bridge Crossing
Elevated River Crossing at
Sentinel Bridge
Tecoya Residences Alternative
Alignment
Tenaya Creek Alternative Alignment
Residence One Alternative Alignment
Mitigation Measures Common to All Action
Alternatives
Construction Mitigation Measures
Resource-Specific Mitigation
Measures
Floodplains
Wetlands
Cultural Resources
Vegetation (including
Special-Status Species)
Wildlife
Special-Status Birds
Special-Status Aquatic Species
Special-Status Bats
Scenic Resources
Comparison of Alternatives
Summary of Environmental Consequences
Environmentally
Preferable Alternative
Chapter 3 Affected Environment
Introduction
Resource Topics
Considered in this Environmental Assessment
Impact Topics
Dismissed From Further Analysis
Regional Setting
Local
Setting – East Yosemite Valley
Utilities Improvement Plan Area
Natural
Resources
Soils
Hydrology,
Floodplains, and Water Quality
Wetlands
Vegetation
Wildlife
Special-Status Species
Air Quality
Noise
Cultural Resources
Overview of Human
Occupation
Archeological
Resources
Traditional
Cultural Resources
Cultural Landscape
Resources, Including Historic Sites and Structures
Social Resources
Scenic Resources
Recreation
Park Operations and
Facilities
Socioeconomics
Chapter 4 Environmental Consequences
Introduction
Impact Analysis
Cumulative Impacts
Impairment
Methods and Assumptions
Soils
Water Resources
Wetlands
Vegetation
Wildlife
Special-Status Species
Air Quality
Noise
Cultural Resources
Scenic Resources
Visitor Experience and Recreation
Park Operations and Facilities
Social
and Economic Environment
Alternative 1:
No Action
Natural Resources
Cultural Resources
Social Resources
Alternative 2: East Yosemite Valley Utilities Improvement Plan with Merced
River Crossing at Housekeeping Camp
Natural Resources
Cultural Resources
Social Resources
Alternative 3: East Yosemite Valley Utilities Improvement Plan with Merced
River Crossing near Sentinel Bridge
Natural Resources
Cultural Resources
Social Resources
Chapter 5 Merced Wild and Scenic River
Introduction
Consistency with
Management Elements of the Merced River
Plan
Chapter 6 Consultation and Coordination
Project Scoping History
Agency Consultation
Future Information
List of Agencies, Organizations,
and Businesses that Received the East Yosemite Valley Utilities
Improvement Plan Environmental Assessment
Chapter 7 List of Preparers and Reviewers
Glossary of Terms
Acronyms
Table
II-1: Summary
Comparison of Key Features of the Alternatives
Table
II-2: Summary
of Environmental Consequences
Table III-1:
Yosemite Valley Soil
Types
Table III-2:
Classification Criteria for
Scenic Category
Table III-3:
Population by County
Table III-4:
2000 Employment by Major
Industry Sector
Table III-5:
2000 Economic Output by County
and Industry Sector (in Millions of 2000 Dollars)
Table III-6:
2000 Total Taxable Retail Sales
by County (in Millions of 2000 Dollars)
Table
IV-1: Soil Impact Intensity Definitions
Table IV-2:
Floodplain
Impact Intensity Definitions
Table IV-3:
Soil Impacts Associated
with Alternative 1
Table IV-4:
Wetland and Aquatic
Habitats Potentially Affected by Alternative 1
Table
IV-5: Vegetation Community Types Potentially Affected
by Alternative 1
Table IV-6:
Typical Noise
Levels from Construction Equipment
Table
IV-7: Soil Impacts Associated with Alternative
2
Table
IV-8: Wetland and Aquatic Habitats Potentially
Affected by Alternative 2
Table
IV-9: Vegetation Community Types Potentially
Affected by Alternative 2
Table
IV-10: Soil Impacts Associated with Alternative 3
Table
IV-11: Wetland and Aquatic Habitats Potentially Affected
by Alternative 3
Table
IV-12: Vegetation Community Types Potentially Affected by
Alternative 3
Figure
I-1: Project Location Map
Figure
II-1: Key Map to Project Subareas
Figure
II-2: Existing Utility Lines, Happy Isles (Subarea 1)
Figure
II-3: Existing Utility Lines, Campgrounds (Subarea 2)
Figure
II-4: Existing Utility Lines, Ecological Restoration
(Subarea 3)
Figure
II-5: Existing Utility Lines, The Ahwahnee (Subarea 4)
Figure
II-6: Existing Utility Lines, Curry Village (Subarea 5)
Figure
II-7: Existing Utility Lines, Housekeeping (Subarea 6)
Figure
II-8: Existing Utility Lines, Yosemite Village (Subarea
7)
Figure
II-9: Existing Utility Lines, Camp 6/Cook’s Meadow
(Subarea 8)
Figure
II-10: Alternative 1 - No Action, Happy Isles (Subarea 1)
Figure
II-11: Alternative 1 - No Action, Campgrounds (Subarea 2)
Figure
II-12: Alternative 1 - No Action, Ecological Restoration (Subarea 3)
Figure
II-13: Alternative 1 - No Action, The Ahwahnee (Subarea 4)
Figure
II-14: Alternative 1 - No Action, Curry Village (Subarea 5)
Figure
II-15: Alternative 1 - No Action, Housekeeping (Subarea 6)
Figure
II-16: Alternative 1 - No Action, Yosemite Village (Subarea 7)
Figure
II-17: Alternative 1 - No Action, Camp 6/Cook’s Meadow (Subarea 8)
Figure
II-18: Alternative 2, Happy Isles (Subarea 1)
Figure
II-19: Alternative 2, Campgrounds (Subarea 2)
Figure
II-20: Alternative 2, Ecological Restoration (Subarea 3)
Figure
II-21: Alternative 2, The Ahwahnee (Subarea 4)
Figure
II-22: Alternative 2, Curry Village (Subarea 5)
Figure
II-23: Alternative 2, Housekeeping Camp (Subarea 6)
Figure
II-24: Alternative 2, Yosemite Village (Subarea 7)
Figure
II-25: Alternative 2, Camp 6/Cook’s Meadow (Subarea 8)
Figure
II-26: Construction Phasing
Figure
II-27: Proposed Utility Corridor Cross-Sections
Figure
II-28: Proposed Utility Corridor Cross-Sections
Figure
II-29: Merced River Utility Corridor Crossing Cross-Section
Figure
II-30: Alternative 3, Camp 6/Cook’s Meadow
A California Regional Water Quality Control Board Cleanup and
Abatement Order
B
Regulation and Policies
C Merced
Wild and Scenic River Section 7 Determination
D Yosemite Valley Sanitary Sewer
System Capital Improvement Plan Excerpts
E Draft Floodplain Statement of
Findings for the East Yosemite Valley Utilities Improvement Plan
F Draft Wetland Statement of
Findings for the East Yosemite Valley Utilities Improvement Plan
G Special-Status Species
Evaluation
H Projects Included in the
Cumulative Impact Analysis
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Main |
Superintendent's
Letter |
Abstract |
Executive
Summary | Table of
Contents | Chapter 1 |
Chapter 2 |
Chapter 3
Chapter 4 |
Chapter 5 |
Chapter
6 |
Chapter 7
|
Chapter 8
|
Chapter 9 |
Tables |
Figures |
Appendices