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MLK Regional Shoreline Bay Trail Gap (Doolittle Drive South) and Improvements Project Initial Study/Proposed Mitigated Negative Declaration April 13, 2020 MLK Regional Shoreline Bay Trail Gap (Doolittle Drive South) and Improvements Project Initial Study/Proposed Mitigated Negative Declaration Prepared for: East Bay Regional Parks District 2950 Peralta Oaks Court Oakland, CA 94605 Prepared by: GHD 2235 Mercury Way, Suite 150 Santa Rosa, California 95407 April 2020 Table of Contents 1. Project Information .................................................................................................................... 1-1 1.1. Introduction ..................................................................................................................... 1-1 1.2. Project Background and Need ........................................................................................ 1-2 1.3. Project Location .............................................................................................................. 1-3 1.4. Detailed Project Description ........................................................................................... 1-3 1.4.1. San Francisco Bay Trail Gap Closure and Existing Bay Trail Improvements 1-3 1.4.2. Boat Launch Replacement ............................................................................ 1-4 1.4.3. Shoreline Protection ...................................................................................... 1-5 1.4.4. Parking Lot Improvements ............................................................................. 1-5 1.4.5. Guardrail Safety Barrier ................................................................................. 1-5 1.4.6. Modifications to Doolittle Drive ...................................................................... 1-5 1.4.7. Boat Ramp Removed .................................................................................... 1-6 1.4.8. Park Maintenance .......................................................................................... 1-6 1.4.9. Compensation for Impacts to Jurisdictional Waters ...................................... 1-6 1.4.10. Project Construction ...................................................................................... 1-6 1.5. Required Permits or Approvals ....................................................................................... 1-7 1.6. California Native American Tribe Consultation ............................................................... 1-8 2. Environmental Factors Potentially Affected .............................................................................. 2-1 3. Environmental Analysis ............................................................................................................. 3-1 3.1. Aesthetics ....................................................................................................................... 3-1 3.2. Agriculture and Forest Resources .................................................................................. 3-1 3.3. Air Quality ....................................................................................................................... 3-3 3.4. Biological Resources ...................................................................................................... 3-8 3.5. Cultural Resources ....................................................................................................... 3-24 3.6. Energy ........................................................................................................................... 3-28 3.7. Geology and Soils ......................................................................................................... 3-30 3.8. Greenhouse Gas Emissions ......................................................................................... 3-34 3.9. Hazards and Hazardous Materials ............................................................................... 3-36 3.10. Hydrology and Water Quality ........................................................................................ 3-39 3.11. Land Use and Planning................................................................................................. 3-44 3.12. Mineral Resources ........................................................................................................ 3-49 3.13. Noise ............................................................................................................................. 3-50 3.14. Population and Housing ................................................................................................ 3-55 3.15. Public Services ............................................................................................................. 3-56 3.16. Recreation ..................................................................................................................... 3-57 3.17. Transportation/Traffic .................................................................................................... 3-58 MLK Regional Shoreline Bay Trail Gap and Improvements Project – IS/Proposed MND | Page i 3.18. Tribal Cultural Resources ............................................................................................. 3-60 3.19. Utilities and Service Systems ....................................................................................... 3-62 3.20. Wildfire .......................................................................................................................... 3-64 3.21. Mandatory Findings of Significance .............................................................................. 3-65 4. References ................................................................................................................................ 4-1 Figure and Image Index Figure 1 Project Location .................................................................................................................... 1-9 Figure 2A Site Plan............................................................................................................................ 1-10 Figure 2B Site Plan............................................................................................................................ 1-11 Image 1a Existing View ....................................................................................................................... 3-2 Image 1b View with Proposed Project (Bay Trail and Guardrail) ........................................................ 3-3 Table Index Table 3.4-1: Predicted Underwater Distances to Adopted PTS Thresholds for Phocid Pinnipeds from Pile Driving ..................................................................................................................................... 3-14 Table 3.4-2: Estimated Distance (Meters) to dB Thresholds from Impact Pile Driving ..................... 3-15 Table 3.12-2: Construction Equipment 50-Foot Noise Emission Levels ........................................... 3-51 Table 3.12-1: Vibration Source Levels for Construction Equipment ................................................ 3-53 Appendix Index Appendix A – Park Map Appendix B – Biological Resources Report MLK Regional Shoreline Bay Trail Gap and Improvements Project – IS/Proposed MND | Page ii 1. Project Information Project Title: MLK Regional Shoreline Bay Trail Gap (Doolittle Drive South) and Improvements Project Lead Agency Name & Address: East Bay Regional Parks District 2950 Peralta Oaks Court Oakland, CA 94605 Contact Person: Toby Perry, Project Manager Telephone: (510) 544-2317 Project Location: Martin Luther King Jr. Regional Shoreline City of Oakland, Alameda County California Project Sponsors: East Bay Regional Parks District 2950 Peralta Oaks Court Oakland, CA 94605 Project Assessor’s Parcel Number: 042-4404-001-00; 042-4410-001-13; and Caltrans Right-of-Way (State Highway 61) General Plan Designation: Resource Conservation Area Zoning: Open Space (majority, Doolittle Drive has no designation) Description of Project: Improvements to the existing Martin Luther King Jr. Regional Shoreline, including construction of a new Bay Trail segment, maintenance of existing Bay Trail, removal and replacement of boat launch, removal of boat ramp, and parking lot improvements. Surrounding Land Uses and Setting: San Leandro Bay to the north, Oakland International Airport and industrial uses to the south and west, and greater Martin Luther King Jr. Regional Shoreline and industrial uses to the east. 1.1. Introduction The East Bay Regional Parks District (District) proposes to fill a gap in the San Francisco Bay Trail (Bay Trail) and make improvements within the existing Martin Luther King Jr. (MLK) Regional Shoreline. The MLK Regional Shoreline is a park within the District’s system of 73 parks, serving Alameda and Contra Costa counties. The District leases the site from the Port of Oakland. The MLK Regional Shoreline Bay Trail Gap (Doolittle Drive South) and Improvements Project (Project), is subject to the requirements of the California Environmental Quality Act (CEQA). The District is the CEQA Lead Agency. The purpose of this Initial Study is to: • Provide a basis for deciding whether to prepare an Environmental Impact Report, a Mitigated Negative Declaration, or a Negative Declaration; • Disclose potential project environmental impacts; and MLK Regional Shoreline Bay Trail Gap and Improvements Project – IS/Proposed MND | Page 1-1 • Inform the CEQA Lead Agency, responsible agencies, trustee agencies, and the public