VALLEY & SPRUCE PROJECT INITIAL STUDY AND MITIGATED NEGATIVE DECLARATION Prepared for: City of Rialto December 2017 VALLEY & SPRUCE PROJECT INITIAL STUDY AND MITIGATED NEGATIVE DECLARATION Prepared For: City of Rialto 150 S. Palm Avenue Rialto, CA 92376 Prepared By: Kimley-Horn and Associates, Inc. 401 B Street, Suite 600 San Diego, California 92101 December 2017 095894012 Copyright © 2017 Kimley-Horn and Associates, Inc. TABLE OF CONTENTS I. Initial Study ............................................................................................................................................ 1 II. Description of Proposed Project ........................................................................................................... 2 III. Required Permits ................................................................................................................................... 8 IV. Environmental Factors Potentially Affected ......................................................................................... 9 V. Determination ........................................................................................................................................ 9 VI. Environmental Evaluation .................................................................................................................. 10 1. Aesthetics ................................................................................................................................ 10 2. Agricultural and Forestry Resources ...................................................................................... 14 3. Air Quality ................................................................................................................................. 17 4. Biological Resources ............................................................................................................... 24 5. Cultural Resources .................................................................................................................. 29 6. Geology and Soils .................................................................................................................... 34 7. Greenhouse Gas Emissions ................................................................................................... 39 8. Hazards and Hazardous Materials ......................................................................................... 41 9. Hydrology and Water Quality .................................................................................................. 44 10. Land Use and Planning ........................................................................................................... 48 11. Mineral Resources .................................................................................................................. 50 12. Noise ........................................................................................................................................ 52 13. Population and Housing ......................................................................................................... 65 14. Public Services ........................................................................................................................ 67 15. Recreation ............................................................................................................................... 70 16. Transportation/Traffic ............................................................................................................. 71 17. Tribal Cultural Resources ....................................................................................................... 88 18. Utilities and Service Systems ................................................................................................. 90 19. Mandatory Findings of Significance ....................................................................................... 96 VII. Preparers............................................................................................................................................. 98 VIII. References .......................................................................................................................................... 98 Valley & Spruce Project| i LIST OF FIGURES Figure 1: Regional Location Map ................................................................................................................ 4 Figure 2: Project Vicinity Map ...................................................................................................................... 5 Figure 3: Site Plan ........................................................................................................................................ 6 Figure 4: Conceptual Landscape Plan ........................................................................................................ 7 Figure 5: Maximum Truck Traffic Vibration Levels vs. Distance ............................................................ 62 LIST OF TABLES Table 1: Attainment Status of the South Coast Air Basin ....................................................................... 18 Table 2: SCAQMD Daily Emissions Thresholds ....................................................................................... 18 Table 3: Construction Emissions Summary and Significance Evaluation ............................................. 19 Table 4: Operational Emissions Summary and Significance Evaluation ............................................... 20 Table 5: Health Risk Results – Valley and Spruce Avenue Warehouse ................................................ 22 Table 6: CNDDB Species Habitat Assessment Results .......................................................................... 25 Table 7: GHG Emissions Summary and Significance Evaluation ........................................................... 40 Table 8: Existing (Ambient) Short-Term Noise Level Measurements1,3 ................................................. 55 Table 9: Existing (Ambient) Long-Term (24-hour) Noise Level Measurements1 ................................... 55 Table 10: Construction Equipment Noise Levels .................................................................................... 56 Table 11: Summary of Project Onsite Operations Maximum Noise Levels ........................................... 58 Table 12: Traffic Noise Levels – 2019 Project Contributions ................................................................ 59 Table 13: Caltrans Vibration Damage Potential Threshold Criteria ....................................................... 60 Table 14: Caltrans Vibration Annoyance Potential Criteria .................................................................... 60 Table 15: FTA Vibration Annoyance Potential Criteria ............................................................................ 60 Table 16: Construction Equipment Vibration Levels .............................................................................. 63 Table 17: City of Rialto Roadway Capacity .............................................................................................. 72 Table 18: Summary of Intersection Operations, Existing Conditions .................................................... 74 Table 19: Summary of Roadway Analysis, Existing Conditions .............................................................. 75 Table 20: Summary of Intersection Operation, Opening Year (2019) Existing Plus Growth ................ 76 Table 21: Summary of Roadway Analysis, Opening Year (2019) Existing Plus Growth ....................... 77 Table 22: Summary of Intersection Operation, Opening Year (2019) - Cumulative Without Project .. 78 Table 23: Summary of Roadway Analysis, Opening Year (2019) - Cumulative Without Project .......... 79 Table 24: Summary of Project Trip Generation ....................................................................................... 80 Valley & Spruce Project| ii Table 25: Summary of Intersection Operation, Opening Year (2019) - Existing Plus Growth .............. 81 Table 26: Summary of Roadway Analysis, Opening Year (2019) – Existing Plus Growth Plus Project 82 Table 27: Summary of Intersection Operation, Opening Year (2019) Cumulative Plus Project .......... 83 Table 28: Summary of Roadway Analysis, Opening Year (2019) Cumulative Plus Project .................. 84 Table 29: Peak Hour Link Analysis, Opening Year (2019) Cumulative Plus Project ............................. 85 Table 30: Estimated Wastewater Generation ......................................................................................... 92 Table 31: WVWD Minimum Three Year Supply 2016-2018 .................................................................. 94 Table 32: WVWD Water Supply and Demands Estimates for years 2020-2040 .................................. 94 APPENDICES A. Air Quality, Greenhouse Gas and Health Risk Assessment Study B. Biotic Resources Report C. Cultural Resource Study Findings Memorandum D. Geotechnical Investigation E. Phase I Environmental Site Assessment F. Hydrology Calculations G. Water Quality Management Plan H. Noise & Vibration Study I-1. Traffic Impact Study I-2. Email Correspondence with County of San Bernardino Dated 8/14/2017 Regarding Traffic Study Scoping Valley & Spruce Project| iii I. Initial Study Background and Project Description Project Title Valley & Spruce Project Lead Agency Name and Address City of Rialto 150 S. Palm Avenue Rialto, CA 92376 Contact Person and Phone Number Gina