CALIFORNIA HIGHWAY PATROL SAN BERNARDINO AREA OFFICE REPLACEMENT PROJECT Initial Study/Mitigated Negative Declaration February 2018 CALIFORNIA HIGHWAY PATROL San Bernardino Office Replacement Project Initial Study/Mitigated Negative Declaration Prepared for: State of California Department of General Services 707 Third Street West Sacramento, CA 95605 On behalf of the Lead Agency: California Highway Patrol 601 N. 7th Street, Building C Sacramento, CA 95811 Prepared by: Horizon Water and Environment, LLC 266 Grand Avenue, Suite 210 Oakland, California 94610 Contact: Michael Stevenson (510) 986-1852 February 2018 Horizon Water and Environment. 2018. California Highway Patrol San Bernardino Area Office Replacement Project Initial Study/Mitigated Negative Declaration. February. (HWE 15.002) Oakland, CA. 1 TABLE OF CONTENTS 2 Chapter 1 Introduction ................................................................................................. 1-1 3 1.1 Intent and Scope of this Document ............................................. 1-1 4 1.2 Public Involvement Process ........................................................ 1-2 5 1.3 Organization of this Document .................................................... 1-2 6 1.4 Impact Terminology .................................................................... 1-3 7 Chapter 2 Project Description ..................................................................................... 2-1 8 2.1 Background and Need for the Project ......................................... 2-1 9 2.2 Project Purpose and Objectives .................................................. 2-1 10 2.3 Project Location and Setting ....................................................... 2-2 11 2.4 Proposed Project Characteristics ................................................ 2-5 12 2.5 Permits and Approvals .............................................................. 2-15 13 Chapter 3. Environmental Checklist ........................................................................... 3-1 14 Environmental Factors Potentially Affected ............................................ 3-2 15 Determination ......................................................................................... 3-3 16 3.1 Aesthetics ................................................................................... 3-4 17 3.2 Agricultural Resources .............................................................. 3-16 18 3.3 Air Quality ................................................................................. 3-19 19 3.4 Biological Resources ................................................................ 3-30 20 3.5 Cultural Resources ................................................................... 3-43 21 3.6 Geology, Soils, and Seismicity .................................................. 3-57 22 3.7 Greenhouse Gas Emissions ..................................................... 3-66 23 3.8 Hazards and Hazardous Materials ............................................ 3-70 24 3.9 Hydrology and Water Quality .................................................... 3-82 25 3.10 Land Use and Planning ............................................................. 3-92 26 3.11 Mineral Resources .................................................................... 3-94 27 3.12 Noise ......................................................................................... 3-97 28 3.13 Population and Housing .......................................................... 3-107 29 3.14 Public Services ....................................................................... 3-109 30 3.15 Recreation ............................................................................... 3-115 31 3.16 Transportation/Traffic .............................................................. 3-118 32 3.17 Tribal Cultural Resources ....................................................... 3-135 33 3.18 Utilities and Service Systems .................................................. 3-141 34 3.19 Mandatory Findings of Significance ........................................ 3-149 35 Chapter 4 References .................................................................................................. 4-1 36 San Bernardino Area Office Replacement Project February 2018 Initial Study/Mitigated Negative Declaration i California Highway Patrol Table of Contents 1 LIST OF APPENDICES 2 Appendix A. Local Laws, Regulations, and Policies 3 Appendix B. Air Quality Appendix 4 Appendix C. Health Risk Assessment Memorandum and Supporting Documentation 5 Appendix D. Biological Resources Background Information 6 Appendix E. Cultural Resources Documentation (Confidential) 7 Appendix F. Mitigation Monitoring and Reporting Program 8 Appendix G. Traffic Data 9 LIST OF TABLES 10 Table 2-1. Parcels Comprising the Proposed Project Site .................................... 2-2 11 Table 2-2. Local Utility Agencies in the Project Area .......................................... 2-11 12 Table 2-3. Comparison of Worker and Construction Trips during 13 Various Construction Phases for the Proposed Project ..................... 2-12 14 Table 2-4. Comparison of Staffing Levels at Existing and Proposed 15 San Bernardino Area Offices ............................................................. 2-14 16 Table 2-5. Applicable Permit and Regulatory Requirements .............................. 2-15 17 Table AQ-1. Attainment Status of the State and Federal Ambient Air 18 Quality Standards .............................................................................. 3-20 19 Table AQ-2. Air Quality Significance Thresholds for Project 20 Construction and Operations ............................................................. 3-22 21 Table AQ-3. Criteria Pollutant Emissions during Construction ............................... 3-24 22 Table AQ-4. Criteria Pollutant Emissions during Operations ................................. 3-25 23 Table AQ-5. Results of Air Quality Health Risk Assessment for the 24 Proposed Project ............................................................................... 3-28 25 Table CR-1. Record Search Results: Previous Cultural Resources 26 Surveys in the Proposed Project Parcel ............................................ 3-50 27 Table GEO-1. Proximity of the Project Site to Regional Active Faults ...................... 3-60 28 Table NOI-1. Examples of Common Noise Levels .................................................. 3-99 29 Table NOI-2. State Land Use Compatibility Standards for Community 30 Noise Environment .......................................................................... 3-101 31 Table NOI-3. Construction Equipment and Vibration Distance ............................. 3-105 32 Table PH-1. Population estimates and forecast for the City of Loma 33 Linda. ............................................................................................... 3-107 34 Table PS-1. 2015 Police and Crime Statistics for the City of Loma 35 Linda ................................................................................................ 3-111 36 Table TCR-1. Native American Consultation ......................................................... 3-138 37 Table TR-1. Level of Service Definitions for Intersections ................................... 3-119 38 Table TR-2. Trip Rates & Trip Generation ........................................................... 3-124 39 Table TR-3. LOS and Delay for Existing Conditions and Project 40 Conditions ........................................................................................ 3-127 41 Table TR-4. LOS and Delay for Future Conditions and Future plus 42 Project Conditions ............................................................................ 3-129 43 Table TR-5. LOS and Delay for Existing Conditions and Project 44 Conditions with Mitigations .............................................................. 3-131 45 Table TR-6. LOS and Delay for Future Conditions and Future plus 46 Project Conditions with Mitigations .................................................. 3-132 San Bernardino Area Office Replacement Project February 2018 Initial Study/Mitigated Negative Declaration ii California Highway Patrol Table of Contents 1 Table MAND-1. Geographic Scope for Resources with Potential 2 Cumulative Impacts ......................................................................... 3-151 3 Table MAND-2. List of Reasonably Foreseeable Future Projects that May 4 Cumulatively Affect Resources of Concern for the 5 Proposed Project ............................................................................. 3-152 6 Table MAND-3. Summary of Cumulative Significant Impacts and 7 Proposed Project’s Contribution ...................................................... 3-154 8 Table UTL-1. City of Loma Linda Actual 2015 and Projected Potable 9 Water Demands ............................................................................... 3-144 10 11 LIST OF FIGURES 12 Figure 2-1. Project Vicinity ..................................................................................... 2-3 13 Figure 2-2. Project Site .......................................................................................... 2-4 14 Figure 2-3. Conceptual Project Overview .............................................................. 2-6 15 Figure 2-4. Conceptual Building Design ................................................................. 2-7 16 Figure AES-1. Viewpoints Surrounding Proposed Project Site ................................... 3-8 17 Figure AES-2. Existing