Limonite Gap Closure Project
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Limonite Gap Closure Project Initial Study – Mitigated Negative Declaration prepared for City of Eastvale 12363 Limonite Ave #910 Eastvale, California 91752 Contact: Mark Thomas Prepared by Rincon Consultants, Inc. 301 9th Street, Suite 109 Redlands, California 92374 May 2020 Limonite Gap Closure Project Initial Study – Mitigated Negative Declaration prepared for City of Eastvale 12363 Limonite Ave #910 Eastvale, California 91752 Contact: Mark Thomas prepared by Rincon Consultants, Inc. 706 South Hill Street, Suite 1200 Los Angeles, California 90014 May 2020 This report prepared on 50% recycled paper with 50% post-consumer content. Table of Contents Table of Contents Initial Study ............................................................................................................................................. 1 1. Project Title ......................................................................................................................... 1 2. Lead Agency Name and Address ......................................................................................... 1 3. Contact Person and Phone Number ................................................................................... 1 4. Project Location .................................................................................................................. 1 5. Project Sponsor’s Name and Address ................................................................................. 1 6. General Plan Designation .................................................................................................... 2 7. Zoning.................................................................................................................................. 2 8. Description of Project ......................................................................................................... 2 9. Surrounding Land Uses and Setting .................................................................................... 3 10. Other Public Agencies Whose Approval is Required .......................................................... 3 11. Have California Native American Tribes Traditionally and Culturally Affiliated with the Project Area Requested Consultation Pursuant to Public Resources Code Section 21080.3.1? .......................................................................................................................... 4 Environmental Factors Potentially Affected ........................................................................................... 2 Determination ........................................................................................................................................ 2 Environmental Checklist ......................................................................................................................... 1 1 Aesthetics ............................................................................................................................ 1 2 Agriculture and Forestry Resources .................................................................................... 4 3 Air Quality ........................................................................................................................... 6 4 Biological Resources ..........................................................................................................14 5 Cultural Resources ............................................................................................................22 6 Energy ...............................................................................................................................27 7 Geology and Soils ..............................................................................................................30 8 Greenhouse Gas Emissions ...............................................................................................34 9 Hazards and Hazardous Materials ....................................................................................38 10 Hydrology and Water Quality ...........................................................................................43 11 Land Use and Planning ......................................................................................................47 12 Mineral Resources ............................................................................................................49 13 Noise .................................................................................................................................51 14 Population and Housing ....................................................................................................73 15 Public Services ...................................................................................................................75 16 Recreation .........................................................................................................................77 17 Transportation ..................................................................................................................79 18 Tribal Cultural Resources ..................................................................................................81 19 Utilities and Service Systems ............................................................................................87 20 Wildfire..............................................................................................................................90 21 Mandatory Findings of Significance ..................................................................................92 References ............................................................................................................................................95 Initial Study – Mitigated Negative Declaration i City of Eastvale Limonite Gap Closure Project Tables Table 1 SCAQMD Regional Significance Thresholds ........................................................................ 8 Table 3 Project Construction Emissions.........................................................................................10 Table 4 Electricity Consumption in the SCE Service Area in 2017 .................................................27 Table 5 Natural Gas Consumption in SCG Service Area in 2017 ....................................................27 Table 6 Estimated Construction Emissions of Greenhouse Gases ................................................37 Table 7 Existing Traffic Noise Levels ..............................................................................................54 Table 8 Noise Compatibility by Land Use Designation ..................................................................54 Table 9 Exterior Noise Level Standards for Non-Transportation Noise .........................................55 Table 10 Traffic Noise Levels ...........................................................................................................70 Figures Figure 1 Project Location .................................................................................................................. 5 Figure 2 Project SIte .......................................................................................................................... 7 Figure 3 Site Plan .............................................................................................................................17 Figure 4 Vegetation Communties Map ...........................................................................................18 FIgure 5 USDA Soils Map .................................................................................................................54 FIgure 6 Opening Year (2022) Noise Level Contours ......................................................................58 FIgure 7 Opening Year (2022) Noise Level Contours ......................................................................59 FIgure 8 Opening Year (2022) Noise Level Contours ......................................................................60 Figure 9 Opening Year (2022) Noise Level Contours.......................................................................61 Figure 10 Opening Year (2022) Noise Level Contours ......................................................................62 FIgure 11 Opening Year (2022) Noise Level Contours ......................................................................63 FIgure 12 Design Year (2024) Noise Level Contours .........................................................................64 Figure 13 Design Year (2024) Noise Level Contours .........................................................................65 FIgure 14 Design Year (2024) Noise Level Contours .........................................................................66 FIgure 15 Design Year (2024) Noise Level Contours .........................................................................67 FIgure 16 Design Year (2024) Noise Level Contours .........................................................................68 FIgure 17 Design Year (2024) Noise Level Contours .........................................................................69 Appendices Appendix A Model Output Files ii Initial Study Initial Study 1. Project Title Limonite Gap Closure Project 2. Lead Agency Name and Address City of Eastvale 12363 Limonite Ave #910 Eastvale, California 91752 Contact: Mark Thomas 3. Contact Person and Phone Number Gina Gibson-Williams, Community Development Director City of Eastvale 12363 Limonite Avenue, Suite 910 Eastvale, California