LEUZINGER HIGH SCHOOL ATHLETIC FACILITIES IMPROVEMENTS PROJECT INITIAL STUDY/MITIGATED NEGATIVE DECLARATION P REPARED FOR : Centinela Valley Union High School District 14901 S. Inglewood Avenue Lawndale, CA 90260 P R E P A R E D B Y : ICF 555 W. Fifth Street, Suite 3100 Los Angeles, CA 90013 April 2021 ICF. 2021. Leuzinger High School Athletic Facilities Improvements Project Initial Study/Mitigated Negative Declaration. April. (ICF 576.20.) Los Angeles, CA. Prepared for Centinela Valley Union High School District, Lawndale, CA. Contents List of Tables .......................................................................................................................................... iii List of Figures ......................................................................................................................................... iv List of Acronyms and Abbreviations ....................................................................................................... v Chapter 1 Introduction ...................................................................................................................... 1-1 Purpose of an Initial Study .................................................................................................................. 1-1 Document Format ............................................................................................................................... 1-1 CEQA Process & Availability of the Initial Study/Mitigated Negative Declaration .............................. 1-2 Chapter 2 Project Location and Environmental Setting ...................................................................... 2-1 Chapter 3 Project Description ............................................................................................................ 3-1 Construction Activities ........................................................................................................................ 3-5 Operational Activities .......................................................................................................................... 3-5 Project Actions and Approvals ...................................................................................................... 3-6 Chapter 4 Environmental Checklist .................................................................................................... 4-1 Environmental Factors Potentially Affected ....................................................................................... 4-1 Determination ..................................................................................................................................... 4-1 Evaluation of Environmental Impacts ................................................................................................. 4-2 I. Aesthetics ................................................................................................................................... 4-3 II. Agricultural and Forestry Resources ....................................................................................... 4-12 III. Air Quality .............................................................................................................................. 4-15 IV. Biological Resources .............................................................................................................. 4-24 V. Cultural Resources .................................................................................................................. 4-29 VI. Energy .................................................................................................................................... 4-35 VII. Geology, Soils, and Paleontological Resources ..................................................................... 4-37 VIII. Greenhouse Gas Emissions .................................................................................................. 4-42 IX. Hazards and Hazardous Materials ......................................................................................... 4-46 X. Hydrology and Water Quality ................................................................................................. 4-50 XI. Land Use and Planning ........................................................................................................... 4-56 XII. Mineral Resources ................................................................................................................ 4-58 XIII. Noise .................................................................................................................................... 4-60 XIV. Population and Housing....................................................................................................... 4-72 XV. Public Services ...................................................................................................................... 4-73 XVI. Recreation ............................................................................................................................ 4-75 XVII. Transportation .................................................................................................................... 4-76 Leuzinger High School Athletic Facilities Improvements April 2021 Project Initial Study/Mitigated Negative Declaration i ICF 576.20 XVIII. Tribal Cultural Resources ................................................................................................... 4-86 XIX. Utilities and Service Systems ............................................................................................... 4-89 XX. Wildfire ................................................................................................................................. 4-92 XXI. Mandatory Findings of Significance ..................................................................................... 4-94 Chapter 5 Mitigation Measures ......................................................................................................... 5-1 Chapter 6 Preparation ....................................................................................................................... 6-1 Chapter 7 Determination – Recommended Environmental Documentation ....................................... 7-1 Chapter 8 References ........................................................................................................................ 8-1 Appendix A Musco, Photometrics Plan, March 20, 2021 Appendix B ICF, Air Quality and Greenhouse Gases Modeling Files, February 26,2021 Appendix C Biological Resources, Records Search, November 3, 2021 Appendix D Cultural/Paleontological and Historic Resources Reports Appendix E Geo-Advantec, Inc., Geotechnical Report, August 20, 2020 Appendix F ICF, Field Sheets and Photos, March 16, 2021 Appendix G Fehr & Peers, Transportation Assessment, March 2021 Leuzinger High School Athletic Facilities Improvements April 2021 Project Initial Study/Mitigated Negative Declaration ii ICF 576.20 Tables Table 1 Proposed Lighting ............................................................................................................ 3-3 Table 2 Construction Phasing & Daily Workers ............................................................................ 3-5 Table 3 Anticipated Permits and Agency Approvals ..................................................................... 3-6 Table 4 Lighting Equipment List .................................................................................................... 4-8 Table 5 South Coast Air Basin Attainment Status ....................................................................... 4-16 Table 6 Regional Criteria Pollutant Construction Emissions ...................................................... 4-19 Table 7 Regional Criteria Pollutant Operational Emissions ........................................................ 4-20 Table 8 Localized Criteria Pollutant Construction Emissions ..................................................... 4-21 Table 9 Annual Project GHG Emissions ...................................................................................... 4-43 Table 10 City of Lawndale Land Use Compatibility Matrix ........................................................... 4-61 Table 11 Existing Ambient Noise Levels Surrounding the Project Site ......................................... 4-63 Table 12 Construction Equipment Reference Noise Levels .......................................................... 4-65 Table 13 Noise Levels from Construction Equipment .................................................................. 4-66 Table 14 Average Project Related Traffic for Home Football Games ........................................... 4-67 Table 15 Average Daily Project Related Traffic for Home Track and Field Meets ........................ 4-68 Table 16 Distances from Construction Equipment for Compliance with Vibration Criteria ........ 4-70 Table 17 Estimated Net Project Automobile Trip Generation per Sporting Event at Leuzinger High School .................................................................................................... 4-80 Table 18 Estimated Net Increase in Annual Average Project VMT for Football Games and Track & Field Meets at Leuzinger High School in 2023 .................................................. 4-82 Leuzinger High School Athletic Facilities Improvements April 2021 Project Initial Study/Mitigated Negative Declaration iii ICF 576.20 Figures Page Figure 1 Project Vicinity ................................................................................................................