Pacific Gas and Electric Company’s
Windsor Substation Project

(Application A.10-04-024, filed April 21, 2010)


Draft Mitigated Negative Declaration
and Supporting Initial Study

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Notice of Intent
Title Page
Table of Contents
List of Acronyms
1. Mitigated Negative Declaration
1.1 Introduction to Mitigated Negative Declaration
1.2 Project Description
1.3 Alternatives
1.4 Environmental Determination
2. Environmental Determination
2.1 Environmental Factors Potentially Affected
2.2 Environmental Determination
3. Introduction to the Initial Study
3.1 Environmental Analysis
4. Project Description
4.1 Project Title
4.2 Project Sponsor's Name and Address
4.3 Lead Agency Name and Address
4.4 Lead Agency Contact Person and Phone Number
4.5 Project Location
4.6 Project Objectives
4.7 Purpose and Need
4.8 Setting and Surrounding Land Uses
4.9 Project Components
4.10 Substation Construction
4.11 Power Line Interconnection Construction
4.12 Reconductoring of Distribution Line and Power Line Underbuild
4.13 Operations and Maintenance
4.14 Applicant Proposed Measures
4.15 EMF Summary
4.16 Other Public Agencies Whose Approval is Required
4.17 Substation Site Alternatives Considered
Figure 4-1. Project Overview Map
Figure 4-2. Proposed Substation Site Aerial Map
Figure 4-3. Substation and Associated Reconductoring
Figure 4-4. Typical Three-Bank Substation Layout
Figure 4-5. Typical Three-Bank Substation Profile
5. Environmental Analysis
5.1 Aesthetics
Figure 5.1-1. Photographs of the Proposed Substation Site and Vicinity
Figure 5.1-2. Photo Viewpoints
Figure 5.1-3. Conceptual Landscape Plan
Figure 5.1-4A. Existing View of the Proposed Substation Site
Figure 5.1-4B. Visual Simulation of Proposed Substation without Landscaping
Figure 5.1-4C. Visual Simulation of Proposed Substation with Landscaping
5.2 Agriculture and Forestry Resources
5.3 Air Quality
5.4 Biological Resources
Figure 5.4-1. Biological Resources Map Set (part 1 of 10)
Figure 5.4-1. Biological Resources Map Set (part 2 of 10)
Figure 5.4-1. Biological Resources Map Set (part 3 of 10)
Figure 5.4-1. Biological Resources Map Set (part 4 of 10)
Figure 5.4-1. Biological Resources Map Set (part 5 of 10)
Figure 5.4-1. Biological Resources Map Set (part 6 of 10)
Figure 5.4-1. Biological Resources Map Set (part 7 of 10)
Figure 5.4-1. Biological Resources Map Set (part 8 of 10)
Figure 5.4-1. Biological Resources Map Set (part 9 of 10)
Figure 5.4-1. Biological Resources Map Set (part 10 of 10)
5.5 Cultural Resources
5.6 Geology and Soils
5.7 Greenhouse Gas Emissions
5.8 Hazards and Hazardous Materials
5.9 Hydrology and Water Quality
5.10 Land Use and Planning
Figure 5.10-1. Project Area General Plan Map
5.11 Mineral Resources
5.12 Noise
Figure 5.12-1. Existing Sensitive Receptors
Figure 5.12-2. Transformer Bank Sound Model Plot
5.13 Population and Housing
5.14 Public Services
5.15 Recreation
5.16 Transportation and Traffic
5.17 Utilities and Service Systems
5.18 Mandatory Findings of Significance
5.19 Corona and Induced Current Effects
6. Mitigation Monitoring Plan
6.1 Minor Project Changes or Variances
6.2 Dispute Resolution
7. Response to Comments (section reserved for Final MND)
Appendix A. List of Preparers
Appendix B. References
Appendix C. Figures (6.7MB)


The public review period for the IS/MND begins July 15, 2013, and ends August 14, 2013. Written comments must be received by 5:00 p.m. on Wednesday, August 14, 2013. Please include your name and address on all comments submitted. Comments can be made to:

Eric Chiang, CPUC Project Manager
c/o Aspen Environmental Group
235 Montgomery Street, Suite 935
San Francisco, CA 94104-3002

You may also send comments via e-mail, fax, or phone, as follows:

Project e-mail:
Project fax and voicemail: (707) 657-0316


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