San Mateo Central Park Master Plan Update Initial Study/Mitigated Negative Declaration City of San Mateo, San Mateo County, California Prepared for: City of San Mateo Department of Parks and Recreation 330 W 20th Avenue San Mateo, CA 94403 Contact: Sheila Canzian, Director Prepared by: FirstCarbon Solutions 1350 Treat Boulevard, Suite 380 Walnut Creek, CA 94597 925.357.2562 Contact: Mary Bean, Project Director Andrew Hill, Project Manager Report Date: October 20, 2017 NORTH AMERICA | EUROPE | AFRICA | AUSTRALIA | ASIA WWW.FIRSTCARBONSOLUTIONS.COM THIS PAGE INTENTIONALLY LEFT BLANK City of San Mateo–San Mateo Central Park Master Plan Update Initial Study/Mitigated Negative Declaration Table of Contents Table of Contents Acronyms and Abbreviations ......................................................................................................... v Section 1: Introduction .................................................................................................................. 1 1.1 ‐ Project Location ................................................................................................................. 1 1.2 ‐ Environmental Setting ....................................................................................................... 1 1.3 ‐ Project Description ............................................................................................................ 2 1.4 ‐ Features Not Subject to Change ........................................................................................ 4 1.5 ‐ Required Discretionary Approvals ..................................................................................... 4 1.6 ‐ Intended Uses of this Document ....................................................................................... 5 Section 2: Environmental Checklist and Environmental Evaluation ............................................... 13 1. Aesthetics ....................................................................................................................... 14 2. Agriculture and Forestry Resources ............................................................................... 16 3. Air Quality ....................................................................................................................... 18 4. Biological Resources ....................................................................................................... 28 5. Cultural Resources and Tribal Cultural Resources .......................................................... 35 6. Geology and Soils ........................................................................................................... 43 7. Greenhouse Gas Emissions ............................................................................................. 48 8. Hazards and Hazardous Materials .................................................................................. 52 9. Hydrology and Water Quality ......................................................................................... 56 10. Land Use and Planning ................................................................................................... 61 11. Mineral Resources .......................................................................................................... 62 12. Noise ............................................................................................................................... 63 13. Population and Housing ................................................................................................. 73 14. Public Services ................................................................................................................ 75 15. Recreation ...................................................................................................................... 78 16. Transportation/Traffic .................................................................................................... 79 17. Utilities and Service Systems .......................................................................................... 83 18. Mandatory Findings of Significance ............................................................................... 87 Section 3: References ................................................................................................................... 89 Section 4: List of Preparers ........................................................................................................... 91 Appendix A: CalEEMod Modeling Appendix B: CDFW, CNPS, and USFWS Database Searches Appendix C: Cultural Resources Supporting Information C.1 ‐ NAHC and the Native American Correspondence C.2 ‐ Historic Resource Evaluation C.3 ‐ Paleontological Records Search Appendix D: Noise Monitoring Locations and Measurements Appendix E: Traffic Analysis FirstCarbon Solutions iii Y:\Publications\Client (PN‐JN)\3611\36110010\ISMND\36110010 Central Park ISMND.docx City of San Mateo–San Mateo Central Park Master Plan Update Table of Contents Initial Study/Mitigated Negative Declaration List of Tables Table 1: Criteria Air Pollutants and Precursors Screening Level Sizes ................................................... 22 Table 2: Construction Emissions ........................................................................................................... 22 Table 3: Criteria Air Pollutants and Precursors Screening Level Sizes ................................................... 24 Table 4: Operational Emissions ............................................................................................................. 24 Table 5: BAAQMD Health Risk Screening Analysis ................................................................................ 25 Table 6: Construction Greenhouse Gas Emissions ................................................................................ 48 Table 7: Annual Operational Greenhouse Gas Emissions ..................................................................... 49 Table 8: Noise Monitoring Summary .................................................................................................... 64 Table 9: Typical Construction Equipment Maximum Noise Levels, Lmax ................................................ 66 Table 10: Vibration Levels of Construction Equipment ......................................................................... 69 Table 11: Federal Transit Administration Construction Vibration Impact Criteria ................................ 71 List of Exhibits Exhibit 1: Regional Location Map ............................................................................................................ 7 Exhibit 2: Local Vicinity Map, Aerial Base ............................................................................................... 9 Exhibit 3: Draft Site Plan........................................................................................................................ 11 iv FirstCarbon Solutions Y:\Publications\Client (PN‐JN)\3611\36110010\ISMND\36110010 Central Park ISMND.docx City of San Mateo–San Mateo Central Park Master Plan Update Initial Study/Mitigated Negative Declaration Acronyms and Abbreviations ACRONYMS AND ABBREVIATIONS °C degrees Celsius (Centigrade) °F degrees Fahrenheit µg/m3 micrograms per cubic meter AB Assembly Bill ACM asbestos‐containing material APN Assessor’s Parcel Number ARB California Air Resources Board ARG Architectural Resources Group BMP best management practices BRA Biological Resources Analysis C/CAG City/County Association of Governments of San Mateo County CAL FIRE California Department of Forestry and Fire Protection CalEEMod California Emissions Estimator Model CDFW California Department of Fish and Wildlife CEQA California Environmental Quality Act CHL California Historical Landmarks List CMA Congestion Management Authority CMP Congestion Management Program CNDDB California Natural Diversity Database CNEL Community Noise Equivalent Level CPHI California Points of Historical Interest CR California Register of Historic Resources dB decibel dBA A‐weighted decibel DPM diesel particulate matter DPR Department of Parks and Recreation DTSC California Department of Toxic Substances Control EBMUD East Bay Municipal Utility District EPA United States Environmental Protection Agency FCS FirstCarbon Solutions FEMA Federal Emergency Management Agency FHSZ Fire Hazard Severity Zones FIRM Flood Insurance Rate Map GHG greenhouse gases HRE Historic Resource Evaluation FirstCarbon Solutions v Y:\Publications\Client (PN‐JN)\3611\36110010\ISMND\36110010 Central Park ISMND.docx City of San Mateo–San Mateo Central Park Master Plan Update Acronyms and Abbreviations Initial Study/Mitigated Negative Declaration HRI California State Historic Resources Inventory IS/MND Initial Study/Mitigated Negative Declaration ISO Insurance Services Office ITE Institute of Transportation Engineers JPA joint powers agreement lbs pounds Ldn day/night sound level Leq equivalent continuous sound level Lmax maximum instantaneous noise level MBTA Migratory Bird Treaty Act mgd million gallons per day MM Mitigation Measure mph miles per hour MRZ Mineral Resource Zone MT CO2e metric tons of carbon dioxide equivalents NAHC Native American Heritage Commission NOx oxides of nitrogen NPDES National Pollutant Discharge Elimination System NR National Register of Historic Places NWIC Northwest Information Center PM10 particulate matter, diameter less than 10 microns PM2.5 particulate matter, diameter less than 2.5 microns PPV inch per second peak particle