Valley South Subtransmission Project
Draft EIR
ES.1 Introduction and Background
ES.2 Environmental Analysis
ES.3 Alternatives
ES.4 Summary of Environmental Impacts and
Mitigation Measures
A.1 Overview of the Proposed Project
A.2 Project Objectives, Purpose, and Need
A.3 Agency Use of this Document
A.4 Overview of the Environmental Review Process
A.5 Readers Guide to this EIR
B.1 Project Overview
B.2 Project Location
B.3 Project Components
B.4 Project Construction
B.5 Operation and Maintenance
B.6 Electric and Magnetic Fields Management
B.7 Applicant Proposed Measures
C Environmental Analysis
C.1 Introduction to Environmental Analysis
C.1.1 Organization of Section C
C.1.2 Analytical Assumptions
C.1.3 Environmental Assessment Methodology
C.1.4 Cumulative Scenario and Methodology
C.1.5 Applicant-Proposed Measures
C.1.6 Mitigation Monitoring
Introduction
Scoping Issues Addressed
C.2.1 Environmental Setting
C.2.2 Regulatory Framework
C.2.3 Applicant-Proposed Measures
C.2.4 Environmental Impacts and Mitigation Measures
Introduction
Scoping
Issues Addressed
C.3.1 Environmental Setting
C.3.2 Regulatory Framework
C.3.3 Applicant-Proposed Measures
C.3.4 Environmental Impacts and Mitigation Measures
Introduction
Scoping
Issues Addressed
C.4.1 Environmental Setting
C.4.2 Regulatory Framework
C.4.3 Applicant-Proposed Measures
C.4.4 Environmental Impacts and Mitigation Measures
Introduction
Scoping
Issues Addressed
C.5.1 Environmental Setting
C.5.2 Regulatory Framework
C.5.3 Applicant-Proposed Measures
C.5.4 Environmental Impacts and Mitigation Measures
C.6 Cultural and Paleontological Resources
Introduction
Scoping
Issues Addressed
C.6.1 Environmental Setting
C.6.2 Regulatory Framework
C.6.3 Applicant-Proposed Measures
C.6.4 Environmental Impacts and Mitigation Measures
Introduction
Scoping
Issues Addressed
C.7.1 Environmental Setting
C.7.2 Regulatory Framework
C.7.3 Applicant-Proposed Measures
C.7.4 Environmental Impacts and Mitigation Measures
Introduction
Scoping
Issues Addressed
C.8.1 Environmental Setting
C.8.2 Regulatory Framework
C.8.3 Applicant-Proposed Measures
C.8.4 Environmental Impacts and Mitigation Measures
C.9 Hazards and Hazardous Materials
Introduction
Scoping
Issues Addressed
C.9.1 Environmental Setting
C.9.2 Regulatory Framework
C.9.3
Applicant-Proposed
Measures
C.9.4 Environmental Impacts and Mitigation Measures
C.10 Hydrology and Water Quality
Introduction
Scoping
Issues Addressed
C.10.1 Environmental Setting
C.10.2 Regulatory Framework
C.10.3 Applicant-Proposed Measures
C.10.4 Environmental Impacts and Mitigation Measures
Introduction
Scoping
Issues Addressed
C.11.1 Environmental Setting
C.11.2 Regulatory Framework
C.11.3 Applicant-Proposed Measures
C.11.4 Environmental Impacts and Mitigation Measures
Introduction
Scoping
Issues Addressed
General
Information on Noise
General
Information on Vibration
C.12.1 Environmental Setting
C.12.2 Regulatory Framework
C.12.3 Applicant-Proposed Measures
C.12.4 Environmental Impacts and Mitigation Measures
Introduction
Scoping
Issues Addressed
C.13.1 Environmental Setting
C.13.2 Regulatory Framework
C.13.3 Applicant-Proposed Measures
C.13.4 Environmental Impacts and Mitigation Measures
C.14 Transportation and Traffic
Introduction
Scoping
Issues Addressed
C.14.1 Environmental Setting
C.14.2 Regulatory Framework
C.14.3 Applicant-Proposed Measures
C.14.4 Environmental Impacts and Mitigation Measures
D.1 CEQA Requirements
D.2 Alternatives Screening Methodology
D.3 Alternatives Retained for Analysis
D.4 Alternatives Eliminated from Full EIR Evaluation
D.5 Comparison of Alternatives
E.1 Environmental Effects Found not to be Significant
E.2 Significant Effects that Can Not be Avoided
E.3 Irreversible and Irretrievable Commitments of
Resources
E.4 Growth-Inducing Impacts
E.5 Energy Conservation
E.6 Intentional Destructive Acts
F.
Public Participation and Consultation
F.1 Public Participation and Notification
F.2 Organization and Tribal Consultation
F.3 EIR Preparers
Appendices
Appendix 1 Scoping Summary
Appendix 2 Air Quality
Appendix 3 Biological Resources
Appendix 4 Alternatives Screening Report
Figures
Figure ES-1 Project Location and Vicinity
Figure ES-2 Subtransmission Line Route
Figure A-1 Project Location and Vicinity
Figure A-2 The EIR Process
Figure B-1 Subtransmission Line Route
Figure B-2a Typical Subtransmission Structures
Figure B-2b Typical Subtransmission Structures
Figure B-2c Typical Subtransmission Structures
Figure B-2d Typical Subtransmission Structures
Figure B-3 Example of Existing Marker Ball (Prior to Installation)
Figure B-4 Typical Subtransmission Vault
Figure B-5 Typical Subtransmission Duct Bank
Figure B-6a ROW Ownership
Figure B-6b ROW Ownership
Figure B-6c ROW Ownership
Figure B-7 Proposed Staging Yards
Figure B-8 Proposed Pull and Tension Sites, Splicing Sites, and Guard Structures
Figure B-9 Proposed Subtransmission Line Route EMF Evaluation Sections
Figure C.1-1 Cumulative Projects
Figure C.2-1 KOP Locations
Figure C.2-2a KOP 1 Leon Rd. at Simpson Rd. Existing View
Figure C.2-2b KOP 1 Leon Rd. at Simpson Rd. Visual Simulation
Figure C.2-3a KOP 2 Domenigoni Parkway Existing View
Figure C.2-3b KOP 2 Domenigoni Parkway Visual Simulation
Figure C.2-3c Linear Viewpoint Map Domenigoni Parkway
Figure C.2-4a KOP 3 Northbound Leon Road Existing View
Figure C.2-4b KOP 3 Northbound Leon Road Visual Simulation
Figure C.2-5a KOP 4 Leon Road at Fowler Drive Existing View
Figure C.2-5b KOP 4 Leon Road at Fowler Drive Visual Simulation
Figure C.2-6a KOP 5 Lantana Way at Leon Road Existing View
Figure C.2-6b KOP 5 Lantana Way at Leon Road Visual Simulation
Figure C.2-7a KOP 6 Westbound SR 79 Existing View
Figure C.2-7b KOP 6 Westbound SR 79 Visual Simulation
Figure C.2-8a KOP 7 Benton Road Existing View
Figure C.2-8b KOP 7 Benton Road Visual Simulation
Figure C.2-9a KOP 8 Murrieta Hot Springs Road Existing View
Figure C.2-9b KOP 8 Murrieta Hot Springs Road Visual Simulation
Figure C.2-10a KOP 9 Suzi Lane Existing View
Figure C.2-10b KOP 9 Suzi Lane Visual Simulation
Figure C.3-1a Farmland Designations
Figure C.3-1b Farmland Designations
Figure C.3-1c Farmland Designations
Figure C.4-1 Wind Rose from Perris Valley Monitoring Station (2007-2011)
Figure C.5-1a Map A Vegetation and Cover Types
Figure C.5-1b Map B Vegetation and Cover Types
Figure C.5-1c Map C Vegetation and Cover Types
Figure C.5-1d Map D Vegetation and Cover Types
Figure C.5-2a Map A Jurisdictional Features
Figure C.5-2b Map B Jurisdictional Features
Figure C.5-2c Map C Jurisdictional Features
Figure C.5-2d Map D Jurisdictional Features
Figure C.5-2e Map E Jurisdictional Features
Figure C.5-2f Map F Jurisdictional Features
Figure C.5-2g Map G Jurisdictional Features
Figure C.5-3a Map A CNDDB
Figure C.5-3b Map B CNDDB
Figure C.5-4a Map A Special Status Plant Species Occurrences
Figure C.5-4b Map B Special Status Plant Species Occurrences
Figure C.5-4c Map C Special Status Plant Species Occurrences
Figure C.5-4d Map D Special Status Plant Species Occurrences
Figure C.5-5a Map A Special Status Wildlife Species Occurrences
Figure C.5-5b Map B Special Status Wildlife Species Occurrences
Figure C.5-5c Map C Special Status Wildlife Species Occurrences
Figure C.5-5d Map D Special Status Wildlife Species Occurrences
Figure C.7-1 Regional Geologic Map
Figure C.7-2 Active Regional Faults and Historic Earthquakes
Figure C.12-1 Ambient Noise Monitoring Locations
Figure C.13-1 Parks and Recreational Areas
Figure C.13-2 Trail Locations
Figure D-1 SCE Subtransmission Line Route Alternatives
Figure D-2a KOP 10 Scott Road- Alternative 1 Existing View
Figure D-2b KOP 10 Scott Road- Alternative 1 Visual Simulation
Figure D-3 Additional Viewpoint A, Scott Road at Menifee
Road, Existing View
Figure D-4 Additional Viewpoint B, Mussa Lane, Existing
View
Figure D-5 Partial Underground Alternative
Figure D-6 Typical Subtransmission Duct Bank
Figure D-7 Typical Subtransmission Vault
Figure D-8a KOP 11 Leon Road- Alternative 2, Existing
View
Figure D-8b KOP 11 Leon Road- Alternative 2, Visual
Simulation