MITIGATED NEGATIVE DECLARATION STARFISH RESIDENTIAL PROJECT Lead Agency: City of Fountain Valley 10200 Slater Avenue Fountain Valley, CA 92708 (714) 593-4400 Project Proponent: Keystone DCS, Inc. 9140 Trask Avenue, Suite 202 Garden Grove, CA 92844 (714) 791-3771 Environmental Consultant: Phil Martin & Associates 1809 E. Dyer Road, Suite 301 Santa Ana, California 92705 (949) 454-1800 June 2, 2021 Environmental Checklist For CEQA Compliance TABLE of CONTENTS SECTION PAGE 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 ......................................................................................... 1 7 Zoning ....................................................................................................................... 1 8. Description of Project ................................................................................................ 1 9. Surrounding Land Uses and Setting .......................................................................... 6 10. Other Public Agencies whose Approval Is Required .................................................. 6 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? ................................................................................................................ 6 12. Environmental Factors Potentially Affected ............................................................. 11 13. Determination .......................................................................................................... 11 14. Issues ..................................................................................................................... 13 15. Explanation of Issues .............................................................................................. 21 I. Aesthetics ....................................................................................................... 21 II. Agricultural and Forestry Resources ............................................................... 23 III. Air Quality ....................................................................................................... 24 IV. Biological Resources ...................................................................................... 34 V. Cultural Resources ......................................................................................... 34 VI. Energy ............................................................................................................ 35 VII. Geology and Soils .......................................................................................... 38 VIII. Greenhouse Gas Emissions ........................................................................... 41 IX. Hazards and Hazardous Materials .................................................................. 43 X. Hydrology and Water Quality .......................................................................... 45 XI. Land Use ........................................................................................................ 49 XII. Mineral Resources .......................................................................................... 50 XIII. Noise .............................................................................................................. 51 XIV. Population and Housing .................................................................................. 59 XV. Public Services ............................................................................................... 61 XVI. Recreation ...................................................................................................... 62 XVII. Transportation ................................................................................................ 63 XVIII. Tribal Cultural Resources ............................................................................... 65 XIX. Utilities and Service Systems .......................................................................... 67 XX. Wildfire ........................................................................................................... 68 XXI. Mandatory Findings of Significance ................................................................. 69 Appendices Appendix A - Air Quality/Greenhouse Gas Report Appendix B - Soils/Geotechnical Report Appendix C - Phase I Environmental Site Assessment Appendix D – Hydrology and Hydraulics Study Starfish Residential Project Page i Page i Mitigated Negative Declaration – June 2, 2021 Environmental Checklist For CEQA Compliance Appendix E – Water Quality Management Plan Appendix F - Noise Report Appendix G - Traffic Report LIST of FIGURES Figure Page 1. Regional Map ............................................................................................................ 2 2. Local Vicinity Map ..................................................................................................... 3 3. Aerial Photo .............................................................................................................. 4 4. Topo Map .................................................................................................................. 5 5. Site Plan .................................................................................................................... 7 6. On-Site Photograph................................................................................................... 8 7. Off-Site Photographs ................................................................................................. 9 8. Photo Orientation Map ............................................................................................ 10 9. Building Elevations .................................................................................................. 22 10. Noise Monitor Locations .......................................................................................... 53 11. Cumulative Project Location Map ............................................................................ 71 LIST of TABLES Table Page 1. Ambient Air Quality Standards ................................................................................ 27 2. Air Quality Monitoring Summary (2016-2019) .......................................................... 29 3. SCAQMD Daily Emissions Thresholds of Significance ............................................ 29 4. Construction Activity Equipment Fleet ..................................................................... 30 5. Construction Activity Emissions Maximum Daily Emissions (pounds/day) ............... 31 6. LST and Project Emissions (pounds/day) ................................................................ 32 7. Daily Operational Impacts ....................................................................................... 33 8. Construction Emissions (Metric Tons CO2e) ............................................................ 42 9. Proposed Operational Emissions ............................................................................ 42 10. Estimated Project Runoff ......................................................................................... 47 11. Fountain Valley Noise Ordinance Standards, Fountain Valley Municipal Code Section 6.28.050 ..................................................................................................... 51 12. Measured Noise Levels (dBA) ................................................................................. 52 13. Construction Equipment Noise Levels ..................................................................... 55 14. Construction Noise Equipment Levels at Off-Site Noise Sensitive Uses (dBA Leq) . 55 15. Human Response to Transient Vibration ................................................................. 58 16. Estimated Vibration Levels During Project Construction .......................................... 58 17. Project Trip Generation Rates ................................................................................. 63 18. Cumulative Projects ................................................................................................ 70 Starfish Residential Project Page ii Page ii Mitigated Negative Declaration – June 2, 2021 PLANNING DEPARTMENT 1. Project Title: Starfish Residential Project 2. Lead Agency Name and Address: City of Fountain Valley 10200 Slater Avenue Fountain Valley, CA 90201 3. Contact Person and Phone Number: Matt Jenkins, Senior Planner (714) 593-4427 4. Project Location: The project is located in the City of Fountain Valley as shown in Figure 1, Regional Map. More specifically, the project is located at 9801 Starfish Avenue as shown in Figure 2, Vicinity Map. An aerial photograph of the site and surrounding area is shown in Figure 3, Aerial Photo. Figure 4 is a topography map that shows the topography on the site and surrounding areas. 5. Project Sponsor’s