Emerson Property Draft Environmental Impact Report SCH# 2007052073 PREPARED FOR THE CITY OF OAKLEY NOVEMBER 2008 1501 Sports Drive, Sacramento, CA 95834 DRAFT ENVIRONMENTAL IMPACT REPORT EMERSON PROPERTY PROJECT State Clearinghouse # 2007052073 Lead Agency: City of Oakley 3231 Main Street Oakley, CA 94561 Contact: Ken Strelo Senior Planner Phone: (925) 625-7000 Fax: (925) 625-9194 Prepared By: Raney Planning and Management, Inc. 1501 Sports Drive, Sacramento, CA 95834 (916) 372-6100 Contact: Cindy Gnos, AICP Vice President Rod Stinson Assistant Division Manager November 2008 TABLE OF CONTENTS Draft EIR Emerson Property Project November 2008 TABLE of CONTENTS CHAPTER PAGE 1. INTRODUCTION.......................................................................................................... 1-1 2. EXECUTIVE SUMMARY .......................................................................................... 2-1 3. PROJECT DESCRIPTION .......................................................................................... 3-1 4. ENVIRONMENTAL ASSESSMENT OF THE EMERSON PROPERTY PROJECT 4.1 Introduction to the Analysis.............................................................................. 4.1-1 4.2 Land Use and Agricultural Resources .............................................................. 4.2-1 4.3 Traffic and Circulation...................................................................................... 4.3-1 4.4 Air Quality........................................................................................................ 4.4-1 4.5 Noise ................................................................................................................. 4.5-1 4.6 Hazards ............................................................................................................. 4.6-1 4.7 Biological Resources........................................................................................ 4.7-1 4.8 Geology and Soils............................................................................................. 4.8-1 4.9 Historical and Cultural Resources .................................................................... 4.9-1 4.10 Hydrology, Water Supply, and Water Quality ............................................... 4.10-1 4.11 Public Services and Utilities ........................................................................... 4.11-1 5. ALTERNATIVES ANALYSIS..................................................................................... 5-1 6. STATUTORILY REQUIRED SECTIONS 6.0 Introduction.......................................................................................................... 6-1 6.1 Growth-Inducing Impacts .................................................................................... 6-1 6.2 Cumulative Impacts ............................................................................................. 6-2 6.3 Significant Irreversible Environmental Changes............................................... 6-12 6.4 Significant Unavoidable Impacts....................................................................... 6-13 7. EIR AUTHORS / PERSONS CONSULTED .............................................................. 7-1 8. REFERENCES............................................................................................................... 8-1 i Draft EIR Emerson Property Project November 2008 APPENDICES Appendix A Notice of Preparation Appendix B Comments on the Notice of Preparation Appendix C Initial Study APPENDICES BOUND SEPARATELY (Available at the City of Oakley, 3231 Main Street) Appendix D Emerson Traffic Study Appendix E Air Quality Impact Analysis for the Proposed Emerson Ranch Project Appendix F Emerson Property Project Environmental Noise Assessment Appendix G Phase I Environmental Site Assessment, Emerson and Burroughs Properties Appendix H Phase I Environmental Site Assessment Emerson Update Appendix I Clarification Regarding Environmental Site Assessment Update Findings Appendix J Biological Resources Section Appendix K Tree Survey Report for the Emerson Property and Off-Site Areas Appendix L Geotechnical Investigation, Exploration Report: Southern 140 Acres, Emerson Property Appendix M Geology Report for the Dutch Slough Properties Draft EIR Appendix N Archaeological Resources Assessment for the Emerson Property Appendix O Groundwater Study for Emerson and Burroughs Property Appendix P Preliminary Stormwater Management Plan for the Emerson Property Appendix Q SB 610 Water Supply Assessment for the Emerson Property Project ii Draft EIR Emerson Property Project November 2008 LIST of FIGURES FIGURE PAGE Chapter 3 Project Description Figure 3-1 Regional Location Map........................................................................................ 3-7 Figure 3-2 Project Location Map........................................................................................... 3-8 Figure 3-3 Vesting Tentative Map....................................................................................... 3-11 Figure 3-4 Commercial Site Map ........................................................................................ 3-13 Chapter 4.2 Land Use and Agricultural Resources Figure 4.2-1 Special Planning Areas ..................................................................................... 4.2-3 Figure 4.2-2 Existing Land Use Designations....................................................................... 4.2-4 Chapter 4.3 Traffic and Circulation Figure 4.3-1 Project Location and Study Intersections ......................................................... 4.3-2 Figure 4.3-2 AM (PM) Existing Peak Hour Traffic Volumes............................................... 4.3-5 Figure 4.3-3 Existing Lane Configurations ........................................................................... 4.3-6 Figure 4.3-4 AM (PM) Existing Plus Approved (Background) Volumes........................... 4.3-10 Figure 4.3-5 AM (PM) Project Trip Generation Volumes .................................................. 4.3-22 Figure 4.3-6 Trip Distribution ............................................................................................. 4.3-23 Figure 4.3-7 AM (PM) Background Plus Project Volumes ................................................ 4.3-24 Figure 4.3-8 AM (PM) Cumulative (No Project) Volumes................................................. 4.3-34 Figure 4.3-9 AM (PM) Cumulative Plus Project Volumes ................................................. 4.3-38 Figure 4.3-10 Cumulative Plus Project Lane Configurations................................................ 4.3-39 Chapter 4.5 Noise Figure 4.5-1 Land Compatibility for Community Noise Environments................................ 4.5-6 Figure 4.5-2 Soundwall Locations....................................................................................... 4.5-12 Chapter 4.7 Biological Resources Figure 4.7-1 Habitat Map ...................................................................................................... 4.7-3 Figure 4.7-2 Wetlands/Section 404 Jurisdictional Delineation Map..................................... 4.7-7 Figure 4.7-3 HCP Development Fee Zones........................................................................... 4.7-8 Figure 4.7-4 Vegetation Occurrence Map ........................................................................... 4.7-12 Figure 4.7-5 Special-Status Wildlife Occurrence Map........................................................ 4.7-21 Chapter 4.10 Hydrology, Water Supply, and Water Quality Figure 4.10-1 Emerson Property Site Soils ........................................................................... 4.10-2 Figure 4.10-2 Drainage on the Emerson Property................................................................. 4.10-4 Figure 4.10-3 Emerson Site Stormwater Drainage.............................................................. 4.10-26 iii Draft EIR Emerson Property Project November 2008 Chapter 4.11 Public Services and Utilities Figure 4.11-1 Emerson Property Master Infrastructure Sanitary Sewer ............................. 4.11-18 Chapter 5 Alternatives Figure 5-1 On-Site School Alternative................................................................................ 5-13 iv Draft EIR Emerson Property Project November 2008 LIST of TABLES TABLE PAGE Chapter 2 Executive Summary Table 2-1 Summary of Impacts and Mitigation Measures................................................... 2-9 Chapter 4.2 Land Use and Agricultural Resources Table 4.2-1 Soil Capability Classification ......................................................................... 4.2-11 Table 4.2-2 Storie Index Rating System ............................................................................ 4.2-12 Table 4.2-3 On-Site Soil Capability Classification and Storie Index Rating..................... 4.2-14 Chapter 4.3 Traffic and Circulation Table 4.3-1 Level of Service for Signalized Intersections ................................................... 4.3-7 Table 4.3-2 Existing Intersection Operations....................................................................... 4.3-8 Table 4.3-3 Baseline Intersection Operations .................................................................... 4.3-12 Table 4.3-4 Level of Service for Unsignalized Intersections............................................. 4.3-19 Table 4.3-5 Trip Generation Rates for the Emerson Property Project ............................... 4.3-19 Table 4.3-6 Trip Generation for the Emerson Property Project .......................................