Draft Two Rivers Trail (Phase II) Environmental Impact Report Prepared for: August 2019 Prepared by: Consulting Engineers and Scientists Draft Two Rivers Trail (Phase II) Environmental Impact Report Prepared for: City of Sacramento Department of Public Works New City Hall 915 I Street, Room 2000 Sacramento CA 95814 Contact: Adam Randolph Project Manager (916) 808-7803 Prepared by: GEI Consultants 2868 Prospect Park Drive, Suite 400 Sacramento, CA 95670 Contact: Ray Weiss Project Manager Phone (916) 631-4500 August 1, 2019 Project No. 1610789 Table of Contents Abbreviations and Acronyms ................................................................................................................................. iv Executive Summary............................................................................................................................................ ES-1 ES.1. Introduction .................................................................................................................... ES-1 ES.2. Proposed Project ........................................................................................................... ES-1 ES.3. Project Objectives .......................................................................................................... ES-2 ES.4. Project Alternatives ........................................................................................................ ES-2 ES.5. Agency Roles and Responsibilities ............................................................................... ES-3 ES.6. Permits ........................................................................................................................... ES-4 ES.7. Areas of Controversy ..................................................................................................... ES-4 ES.8. Issues to Be Resolved ................................................................................................... ES-5 ES.9. Next Steps for the EIR ................................................................................................... ES-5 ES.10. Final EIR ........................................................................................................................ ES-6 ES.11. Summary of Potential Impacts and Mitigation ............................................................... ES-6 Chapter 1. Introduction ................................................................................................................................. 1-1 1.1 CEQA Purpose and Authority .......................................................................................... 1-1 1.2 Project Location and Background ................................................................................... 1-2 1.3 The Environmental Review Process ............................................................................... 1-5 1.4 Scope and Focus of this EIR ........................................................................................... 1-8 1.5 Documents Incorporated by Reference ......................................................................... 1-17 1.6 Public Outreach and Participation ................................................................................. 1-17 1.7 Organization of this EIR and Standard Terminology ..................................................... 1-19 Chapter 2. Project Description ..................................................................................................................... 2-1 2.1 Introduction ...................................................................................................................... 2-1 2.2 Project Objectives ............................................................................................................ 2-1 2.3 Project Description .......................................................................................................... 2-1 2.4 Project Permits and Approvals ...................................................................................... 2-12 Chapter 3. Environmental Setting, Impacts, and Mitigation Measures ................................................... 3-1 3.1 Aesthetics ..................................................................................................................... 3.1-1 3.2 Biological Resources .................................................................................................... 3.2-1 3.3 Cultural Resources ....................................................................................................... 3.3-1 3.4 Geology and soils ......................................................................................................... 3.4-1 3.5 Hazards and Hazardous Materials ............................................................................... 3.5-1 3.6 Hydrology, Water Quality, and Drainage ...................................................................... 3.6-1 3.7 Land Use and Planning ................................................................................................ 3.7-1 3.8 Noise ............................................................................................................................. 3.8-1 3.9 Public Services, Recreation and Utilities ...................................................................... 3.9-1 3.10 Transportation and Circulation ................................................................................... 3.10-1 Chapter 4. Description of Project Alternatives .......................................................................................... 4-1 4.1 Introduction ...................................................................................................................... 4-1 4.2 CEQA Requirements for Evaluation of Alternatives ........................................................ 4-1 4.3 Alternatives Considered and Screening Criteria ............................................................. 4-1 4.4 Alternatives Considered but Not Carried Forward for Further Evaluation ....................... 4-2 4.5 Environmentally Superior Alternative .............................................................................. 4-6 City of Sacramento GEI Consultants, Inc. Two Rivers Trail (Phase II) DEIR i Table of Contents Chapter 5. Other CEQA Considerations ..................................................................................................... 5-1 5.1 Introduction ...................................................................................................................... 5-1 5.2 Growth Inducing Impacts ................................................................................................. 5-1 5.3 Significant and Unavoidable ............................................................................................ 5-2 5.4 Significant Irreversible Environmental Changes.............................................................. 5-2 5.5 Cumulative Impacts ......................................................................................................... 5-3 Chapter 6. References .................................................................................................................................. 6-1 Chapter 7. Report Preparers and Reviewers .............................................................................................. 7-1 Appendices Appendix A. IS/MND & Comments Received Appendix B. NOP & Public Scoping Comments Received Appendix C Biological Resources GEI Consultants, Inc. City of Sacramento Table of Contents ii Two Rivers Trail (Phase II) DEIR Tables Table ES-1. Summary of Impacts and Mitigation Measures .......................................................................... ES-7 Table 1-1. Summary of Agency Comment Letters ........................................................................................ 1-9 Table 1-2. Summary of Organization Comment Letters .............................................................................. 1-10 Table 1-3. Summary of Individual Comment Letters on the IS/MND .......................................................... 1-11 Table 1-4. Summary of Individual Comment Letters during the NOP Scoping Period ................................ 1-13 Table 1-5. Issues Not Analyzed in Detail in This EIR .................................................................................. 1-15 Table 2-1. Estimates of Excavation and Import Fill for the Project ................................................................ 2-9 Table 2-2. Proposed Construction Equipment ............................................................................................... 2-9 Table 3.2-1. Habitat Community Types ......................................................................................................... 3.2-2 Table 3.2-2. Summary of Elderberry Shrub Impacts ................................................................................... 3.2-23 Table 3.2-3. Direct Impacts to Valley Elderberry Longhorn Beetle Habitat ................................................. 3.2-24 Table 3.2-4. Potential Valley Elderberry Longhorn Beetle Habitat-level Compensation Ratios .................. 3.2-34 Table 3.2-5. Valley Elderberry Longhorn Beetle Shrub-level Impact Ratios ............................................... 3.2-35 Table 3.3-1. Native American Contact Efforts ............................................................................................. 3.3-10 Table 3.4-1. Soils within the Project Area .....................................................................................................