Oakley Knolls Subdivision Project Administrative Draft Initial Study
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Oakley Knolls Subdivision Project Administrative Draft Initial Study/Mitigated Negative Declaration PDP-14-04 Lead Agency: City of Antioch Community Development Department 200 H Street Antioch, California 94531-5007 Technical Assistance: Stantec Consulting Services Inc. 1340 Treat Boulevard, Suite 300 Walnut Creek, California 94597 January 29, 2016 December 5, 2017 (revised) Oakley Knolls Subdivision Project Administrative Draft IS/MND Table of Contents List of Figures ................................................................................................................................................... iii Initial Study/Mitigated Negative Declaration ........................................................................................... ix 1.0 Introduction .................................................................................................................................... 1-1 1.1 Project Title ........................................................................................................................ 1-1 1.2 Lead agency .................................................................................................................... 1-1 1.3 Lead agency contact .................................................................................................... 1-1 1.4 Project Sponsor(s) Name and address ......................................................................... 1-1 1.5 Purpose and need ........................................................................................................... 1-1 1.6 Project location ................................................................................................................ 1-2 1.7 Land Use designtations ................................................................................................... 1-2 1.8 Summary of Project ......................................................................................................... 1-2 1.9 Surrounding Land Uses and Setting .............................................................................. 1-2 1.10 CEQA and Public and Agency Review ....................................................................... 1-2 1.11 Required Permits and approvals ................................................................................... 1-3 1.12 Scope of this Initial Study ................................................................................................ 1-4 1.13 Document Organization ................................................................................................. 1-4 2.0 Project Description ........................................................................................................................ 2-1 2.1 Proposed Project .............................................................................................................. 2-1 2.2 Description of Project ...................................................................................................... 2-9 3.0 Environmental Checklist and Environmental Evaluation ........................................................ 3-1 3.1 Aesthetics .......................................................................................................................... 3-3 3.2 Agriculture And Forestry Resources ............................................................................ 3-23 3.3 Air Quality ........................................................................................................................ 3-29 3.4 Biological resources ....................................................................................................... 3-47 3.5 Cultural Resources ......................................................................................................... 3-59 3.6 Geology and Soils .......................................................................................................... 3-73 3.7 Greenhouse Gases ........................................................................................................ 3-81 3.8 Hazards and Hazardous Materials .............................................................................. 3-87 3.9 Hydrology and Water Quality ...................................................................................... 3-95 3.10 Land Use and Planning ............................................................................................... 3-107 3.11 Mineral Resources ........................................................................................................ 3-111 3.12 Noise .............................................................................................................................. 3-115 3.13 Population and Housing ............................................................................................. 3-131 3.14 Public Services .............................................................................................................. 3-135 3.15 Recreation .................................................................................................................... 3-141 3.16 Transportation and Traffic ........................................................................................... 3-145 3.17 Utilities and Service Systems ....................................................................................... 3-155 3.18 Mandatory Findings of Significance ......................................................................... 3-163 4.0 References ..................................................................................................................................... 4-1 5.0 List of Preparers .............................................................................................................................. 5-7 i Oakley Knolls Subdivision Project Administrative Draft IS/MND List of Attachments LIST OF TABLES Table 2.2-1: R-6 Setback Regulations Table 3.3-1: California and National Ambient Air Quality Standards Table 3.3-2: Contra Costa County Area Designations for State and National Ambient Air Quality Table 3.3-3: 2010 BAAQMD Proposed Project-Level Air Quality CEQA Thresholds of Significance Table 3.3-4: Project Construction Emissions Estimates Table 3.3-5: Project Operational Emissions Estimates Table 3.5-1: Surveys Performed in the Records Search Radius Table 3.5-2: Known Cultural Resources Located within 0.50 mile of the Project Site Table 3.7-1: Construction Greenhouse Gas Emissions Table 3.7-2: Operational Greenhouse Gas Emissions Table 3.12-1: Noise and Land Use Compatibility Matrix Table 3.12-2: Guideline Vibration Annoyance Potential Criteria Table 3.12-3: Guideline Vibration Damage Potential Criteria Table 3.12-4: Community Noise Survey Results Table 3.12-5: Summary of Federal Highway Administration Roadway Construction Noise Model Table 3.12-6: Vibration Source Levels for Construction Equipment Table 3.16-1: Existing Volume and Levels of Service Table 3.16-2: Trip Generation Summary LIST OF FIGURES Figure 2.0-1: Regional Project Location Figure 2.0-2: Project Site Vicinity Figure 2.0-3: Proposed Vesting Tentative Map Figure 3.1-1: KOP Locations Figure 3.1-2: KOP Location 1 Figure 3.1-3: KOP Location 2 Figure 3.1-4: KOP Location 3 Figure 3.1-5: KOP Location 4 Figure 3.4-1: CNDDB Figure 3.5-1: Cultural Resources Records Search Area Figure 3.12-1: Community Noise Survey Location Points iii Oakley Knolls Subdivision Project List of Attachments Administrative Draft IS/MND LIST OF APPENDICIES Appendix A: City’s Preliminary Development Staff Report Appendix B: Air Quality Modeling Outputs Appendix C: Biological Resources Technical Memorandum Appendix D: Cultural Resources Technical Memorandum Appendix E: Geotechnical Study Appendix F: Stormwater Control Plan Appendix G: Sewer Capacity Study Memorandum Appendix H: Noise Modeling Outputs Appendix I: Transportation Study iv Oakley Knolls Subdivision Project Administrative Draft IS/MND Abbreviations Acronyms and Abbreviations AASHTO American Association of State Highway and Transportation Officials AB Assembly Bill AC asphalt concrete ACM asbestos-containing material ADL aerially deposited lead ADT Average Daily Traffic AF Acre feet AFY Acre Feet per Year ALUC Airport Land Use Commission APD Antioch Police Department APN Assessor’s Parcel Number AQAP Air Quality Attainment Plans AUSD Antioch Unified School District AWWTP Antioch Wastewater Treatment Plant BAAQMD Bay Area Quality Management District BART Bay Area Rapid Transit BAU Business-As-Usual BMP best management practice BP Before Present BSA Biological Study Area CAAQS California Ambient Air Quality Standards CAL FIRE California Department of Forestry and Fire Protection CalEEMod California Emissions Estimator Model CalEPA California Environmental Protection Agency Caltrans California Department of Transportation CAP Climate Action Plan CAPCOA California Air Pollution Control Officers Association CARB California Air Resources Board CC&Rs Covenants, Codes, and Restrictions CCTS Central California Taxonomic System CCCFPD Contra Costa County Fire Prevention Department CCCTA Contra Costa County Transit Authority CDC California Department of Conservation CDFG California Department of Fish and Game CDMG California Department of Mines and Geology CDFW California Department of Fish and Wildlife CEQA California Environmental Quality Act CFD Community Facilities Department CGS California Geological Survey v Oakley Knolls Subdivision Project Abbreviations Administrative Draft IS/MND CH4 Methane CIMIS California Irrigation