TABLE OF CONTENTS Volume I Chapter Page 1. INTRODUCTION... 1-1 1.1 Introduction... 1-1 1.2 Project Description... 1-1 1.3 Purpose of the EIR... 1-2 1.4 EIR Process... 1-3 1.5 Scope of the Draft EIR... 1-4 1.6 Comments Received on the NOP... 1-4 1.7 Organization of the Draft EIR... 1-6 2. EXECUTIVE SUMMARY... 2-1 2.1 Introduction... 2-1 2.2 Summary Description of the Proposed Project... 2-1 2.3 Environmental Impacts and Required Mitigation... 2-2 2.4 Alternatives to the Proposed Project... 2-9 2.5 Summary of Impacts and Mitigation Measures... 2-10 3. PROJECT DESCRIPTION... 3-1 3.1 Introduction... 3-1 3.2 Project Location... 3-1 3.3 Project Setting and Surrounding Land Uses... 3-1 3.4 Project Objectives... 3-4 3.5 Project Components... 3-5 3.6 Required Public Approvals... 3-13 4. EXISTING ENVIRONMENTAL SETTING, IMPACTS, AND MITIGATION 4.0 INTRODUCTION TO THE ANALYSIS... 4.0-1 4.0.1 Introduction... 4.0-1 4.0.2 Determination of Significance... 4.0-1 4.0.3 Issues Addressed in this Draft EIR... 4.0-1 4.0.4 Section Format... 4.0-1 4.1 AESTHETICS... 4.1-1 4.1.1 Introduction... 4.1-1 4.1.2 Existing Environmental Setting... 4.1-1 4.1.3 Regulatory Setting... 4.1-6 4.1.4 Impacts and Mitigation Measures... 4.1-8 i
4.2 AGRICULTURAL RESOURCES... 4.2-1 4.2.1 Introduction... 4.2-1 4.2.2 Existing Environmental Setting... 4.2-1 4.2.3 Regulatory Setting... 4.2-5 4.2.4 Impacts and Mitigation Measures... 4.2-9 4.3 AIR QUALITY AND CLIMATE CHANGE... 4.3-1 4.3.1 Introduction... 4.3-1 4.3.2 Existing Environmental Setting... 4.3-1 4.3.3 Regulatory Setting... 4.3-14 4.3.4 Impacts and Mitigation Measures... 4.3-27 4.4 BIOLOGICAL RESOURCES... 4.4-1 4.4.1 Introduction... 4.4-1 4.4.2 Existing Environmental Setting... 4.4-1 4.4.3 Regulatory Setting... 4.4-12 4.4.4 Impacts and Mitigation Measures... 4.4-19 4.5 CULTURAL RESOURCES... 4.5-1 4.5.1 Introduction... 4.5-1 4.5.2 Existing Environmental Setting... 4.5-1 4.5.3 Regulatory Setting... 4.5-5 4.5.4 Impacts and Mitigation Measures... 4.5-7 4.6 GEOLOGY, SOILS, AND SEISMICITY / MINERAL RESOURCES... 4.6-1 4.6.1 Introduction... 4.6-1 4.6.2 Existing Environmental Setting... 4.6-1 4.6.3 Regulatory Setting... 4.6-6 4.6.4 Impacts and Mitigation Measures... 4.6-8 4.7 HAZARDS AND HAZARDOUS MATERIALS... 4.7-1 4.7.1 Introduction... 4.7-1 4.7.2 Existing Environmental Setting... 4.7-1 4.7.3 Regulatory Setting... 4.7-3 4.7.4 Impacts and Mitigation Measures... 4.7-4 4.8 HYDROLOGY AND WATER QUALITY... 4.8-1 4.8.1 Introduction... 4.8-1 4.8.2 Existing Environmental Setting... 4.8-1 4.8.3 Regulatory Setting... 4.8-8 4.8.4 Impacts and Mitigation Measures... 4.8-15 ii
4.9 LAND USE AND PLANNING / POPULATION AND HOUSING... 4.9-1 4.9.1 Introduction... 4.9-1 4.9.2 Existing Environmental Setting... 4.9-1 4.9.3 Regulatory Setting... 4.9-9 4.9.4 Impacts and Mitigation Measures... 4.9-13 4.10 NOISE... 4.10-1 4.10.1 Introduction... 4.10-1 4.10.2 Existing Environmental Setting... 4.10-1 4.10.3 Regulatory Setting... 4.10-8 4.10.4 Impacts and Mitigation Measures... 4.10-12 4.11 PUBLIC SERVICES AND UTILITIES... 4.11-1 4.11.1 Introduction... 4.11-1 4.11.2 Existing Environmental Setting... 4.11-1 4.11.3 Regulatory Setting... 4.11-16 4.11.4 Impacts and Mitigation Measures... 4.11-25 4.12 TRANSPORTATION, TRAFFIC, AND CIRCULATION... 4.12-1 4.12.1 Introduction... 4.12-1 4.12.2 Existing Environmental Setting... 4.12-1 4.12.3 Regulatory Setting... 4.12-16 4.12.4 Impacts and Mitigation Measures... 4.12-25 5. ALTERNATIVES... 5-1 5.1 Introduction... 5-1 5.2 Purpose of Alternatives... 5-2 5.3 Selection of Alternatives... 5-4 5.4 Environmentally Superior Alternative... 5-16 6. STATUTORILY REQUIRED SECTIONS... 6-1 6.1 Introduction... 6-1 6.2 Growth-Inducing Impacts... 6-1 6.3 Cumulative Impacts... 6-2 6.4 Significant Irreversible Environmental Changes... 6-13 6.5 Significant Unavoidable Impacts... 6-14 7. REFERENCES... 7-1 8. EIR AUTHORS AND PERSONS CONSULTED... 8-1 iii
Appendices Appendix A Appendix B Notice of Preparation (NOP) NOP Comment Letters Volume II Appendices C - I Appendix C Appendix D Appendix E Appendix F Appendix G Appendix H Appendix I Air Quality Modeling Output Biological Resource Analysis Cultural Resources Survey Geotechnical Feasibility Studies Phase I Environmental Site Assessments Pesticide Screening Report Environmental Noise Assessment Volume III Appendices J - K Appendix J Appendix K Water Supply Assessment Traffic Technical Calculations iv
LIST OF FIGURES Figure Page 3 PROJECT DESCRIPTION 3-1 Regional Location... 3-2 3-2 Project Location... 3-3 3-3 Project Site Annexation Map... 3-6 3-4 Atherton Homes at Woodward Park I Tentative Subdivision Map... 3-8 3-5 Atherton Homes at Woodward Park II Tentative Subdivision Map... 3-9 3-6 Atherton Homes at Woodward Park I Utility Plan... 3-10 3-7 Atherton Homes at Woodward Park II Utility Plan... 3-11 4.1 AESTHETICS 4.1-1 Pillsbury Road looking east... 4.1-3 4.1-2 Pillsbury Road looking west... 4.1-3 4.1-3 Pillsbury Road looking southwest... 4.1-4 4.1-4 E. Woodward Avenue looking south... 4.1-4 4.1-5 E. Woodward Avenue looking south at east edge of DeJong Property... 4.1-5 4.1-6 E. Woodward Avenue looking north... 4.1-5 4.1-7 E. Woodward Avenue at Moffat Boulevard looking southwest... 4.1-6 4.4 BIOLOGICAL RESOURCES 4.4-1 Special-Status Species Occurrences within a Five-Mile Radius... 4.4-6 4.6 GEOLOGY, SOILS, AND SEISMICITY / MINERAL RESOURCES 4.6-1 Project Site Soils... 4.6-4 4.8 HYDROLOGY AND WATER QUALITY 4.8-1 City of Manteca Storm Drain Pump and Monitoring Stations... 4.8-3 4.8-2 City of Manteca Storm Drain Sheds... 4.8-4 4.8-3 Future Drainage Improvements... 4.8-5 4.8-4 FEMA Map for Project Vicinity... 4.8-9 4.9 LAND USE AND PLANNING / POPULATION AND HOUSING 4.10 NOISE 4.9-1 Manteca General Plan Land Use Diagram... 4.9-4 4.10-1 Noise Monitoring Locations... 4.10-5 4.10-2 Noise Barrier Location... 4.10-22 v
4.11 PUBLIC SERVICES AND UTILITIES 4.11-1 Proposed South Manteca Trunk Sewer Alignment... 4.11-7 4.11-2 Proposed South Manteca Collection Strategy Phasing... 4.11-8 4.11-3 Existing Schools and Parks within Manteca... 4.11-14 4.12 TRANSPORTATION, TRAFFIC, AND CIRCULATION 4.12-1 Study Area... 4.12-3 4.12-2 Peak Hour Traffic Volumes and Lane Configurations Existing Conditions... 4.12-5 4.12-3 Existing Bicycle Facilities... 4.12-10 4.12-4 Project Access... 4.12-21 4.12-5 Project Trip Generation Existing Plus Project Conditions... 4.12-22 4.12-6 Cumulative Roadway Network... 4.12-24 4.12-7 Project Only Trips... 4.12-26 4.12-8 Peak Hour Traffic Volumes and Lane Configurations Existing Plus Project Conditions... 4.12-27 4.12-9 Peak Hour Traffic Volumes and Lane Configurations Cumulative No Project Conditions... 4.12-37 4.12-10 Peak Hour Traffic Volumes and Lane Configurations Cumulative Plus Project Conditions... 4.12-38 4.12-11 Peak Hour Traffic Volumes and Lane Configurations Cumulative Plus Project w/ Mitigation... 4.12-42 vi
LIST OF TABLES Table Page 2 EXECUTIVE SUMMARY 2-1 Summary of Impacts and Mitigation Measures... 2-11 4.2 AGRICULTURAL RESOURCES 4.2-1 Soil Capability Classification... 4.2-2 4.2-2 Storie Index Rating System... 4.2-3 4.2-3 On-Site Soil Capability Classification and Storie Index Rating... 4.2-5 4.3 AIR QUALITY AND CLIMATE CHANGE 4.3-1 Ambient Air Quality Standards... 4.3-3 4.3-2 Summary of Criteria Pollutants... 4.3-4 4.3-3 Attainment Status... 4.3-9 4.3-4 Air Quality Monitoring Data Summary for the Stockton-Hazelton Street Station... 4.3-11 4.3-5 Air Quality Monitoring Data Summary for the Tracy Airport Station... 4.3-11 4.3-6 GWPs and Atmospheric Lifetimes of Select GHGs... 4.3-13 4.3-7 SJVAPCD Criteria Pollutant Thresholds of Significance... 4.3-28 4.3-8 Maximum Unmitigated Project Construction-Related Emissions... 4.3-29 4.3-9 Unmitigated Project Operational Emissions... 4.3-31 4.3-10 Project Operational Emissions With Rule 9510 Compliance... 4.3-31 4.3-11 Cumulatively Considerable Degradation in Intersection Operations... 4.3-35 4.3-12 Maximum Predicted CO Concentrations... 4.3-36 4.4 BIOLOGICAL RESOURCES 4.4-1 Special-Status Plant Species Occurring within a Five-Mile Radius of the Project Site... 4.4-7 4.4-2 Special-Status Wildlife Species Occurring within a Five-Mile Radius of the Project Site... 4.4-9 4.6 GEOLOGY, SOILS, AND SEISMICITY / MINERAL RESOURCES 4.6-1 Modified Mercalli Scale of Earthquake Intensity... 4.6-2 4.9 LAND USE AND PLANNING / POPULATION AND HOUSING 4.9-1 Population, Housing, and Employment Projections (2014-2025)... 4.9-8 4.9-2 Discussion of Relevant Manteca 2023 General Plan Policies... 4.9-15 vii
4.10 NOISE 4.10-1 Typical Noise Levels... 4.10-3 4.10-2 Summary of Existing Background Noise Measurement Data... 4.10-4 4.10-3 Existing Traffic Noise Levels and Distances to Contours... 4.10-7 4.10-4 Railroad Noise Measurement Results... 4.10-8 4.10-5 Approximate Distances to the UPRR Line Noise Contours... 4.10-8 4.10-6 Effects of Vibration on People and Buildings... 4.10-9 4.10-7 Maximum Allowable Noise Exposure Mobile Noise Sources... 4.10-10 4.10-8 Performance Standards for Stationary Noise Sources Or Projects Affected By Stationary Noise Sources... 4.10-11 4.10-9 Existing and Existing Plus Project Traffic Noise Levels... 4.10-15 4.10-10 Cumulative and Cumulative Plus Project Traffic Noise Levels... 4.10-17 4.10-11 Cumulative Plus Project Transportation Noise Levels at Proposed Residential Uses... 4.10-20 4.10-12 Construction Equipment Noise... 4.10-23 4.10-13 Vibration Levels for Varying Construction Equipment... 4.10-24 4.11 PUBLIC SERVICES AND UTILITIES 4.11-1 City of Manteca Projected Water Supply... 4.11-5 4.11-2 City of Manteca Water Demand Projection Based on Per Capita Water Demand... 4.11-5 4.11-3 MFD Facilities That Would Serve the Project Site... 4.11-10 4.11-4 Ripon Unified School District Enrollment & Capacity by Facility... 4.11-13 4.11-5 Ripon Unified School District Student Generation Rates... 4.11-13 4.11-6 Manteca Unified School District Enrollment & Capacity by Facility... 4.11-15 4.11-7 Manteca Unified School District Student Generation Rates... 4.11-15 4.11-8 Projected Water Demand for Proposed Project... 4.11-28 4.11-9 City of Manteca Water Supply Versus Demand Including the Proposed Project... 4.11-29 4.11-10 Students Generated from Proposed Project... 4.11-34 4.12 TRANSPORTATION, TRAFFIC, AND CIRCULATION 4.12-1 Intersection Level of Service Definitions... 4.12-4 4.12-2 Peak Hour Intersection LOS Existing Conditions... 4.12-6 4.12-3 Freeway Level of Service Definitions... 4.12-8 4.12-4 Peak Hour Freeway LOS Existing Conditions... 4.12-8 4.12-5 Inventory of At-Grade Railroad Crossings in Study Area... 4.12-11 4.12-6 Status of Planned Improvements in Study Area... 4.12-14 4.12-7 Project Trip Generation... 4.12-20 4.12-8 Peak Hour Intersection LOS Existing Plus Project Conditions... 4.12-29 4.12-9 Peak Hour Signal Warrant Evaluation Existing Plus Project Conditions... 4.12-30 4.12-10 Peak Hour Intersection LOS Existing Plus Pending Projects Plus Project Conditions... 4.12-32 viii
4.12-11 Peak Hour Intersection LOS Existing Plus Pending Projects Plus Project Mitigated Conditions... 4.12-32 4.12-12 95th Percentile Freeway Off-Ramp Vehicle Queues Existing Plus Project Conditions... 4.12-39 4.12-13 Peak Hour Freeway LOS Existing Plus Project Conditions... 4.12-43 4.12-14 95th Percentile Freeway Off-Ramp Vehicle Queues Cumulative Plus Project Mitigated Conditions... 4.12-45 4.12-15 Peak Hour Freeway LOS Cumulative Conditions... 4.12-46 5 ALTERNATIVES 5-1 Unmitigated Reduced Density Alternative Operational Emissions... 5-9 5-2 Alternative Environmental Impacts Comparison... 5-18 ix