WINGS LANDING TIDAL HABITAT RESTORATION PROJECT CEQA Addendum Prepared for: Natural Resources Group, Inc. California Department of Water Resources July 2020 1 2600 Capitol Avenue Suite 200 Sacramento, CA 95816 916.564.4500 esassoc.com • Bend • Camarillo • Delray Beach • Destin • Irvine • Los Angeles Oakland • Orlando • Pasadena • Petaluma • Portland • Sacramento San Diego • San Francisco • Santa Monica • Sarasota • Seattle • Tampa OUR COMMITMENT TO SUSTAINABILITY | ESA helps a variety of public and private sector clients plan and prepare for climate change and emerging regulations that limit GHG emissions. ESA is a registered assessor with the California Climate Action Registry, a Climate Leader, and founding reporter for the Climate Registry. ESA is also a corporate member of the U.S. Green Building Council and the Business Council on Climate Change (BC3). 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This document was produced using recycled paper. 2 TABLE OF CONTENTS Wings Landing Tidal Habitat Restoration Project CEQA Addendum CHAPTER 1 INTRODUCTION ....................................................................................................................................................... 6 1.1 Overview of the Suisun Marsh Plan EIS/EIR ................................................................................................... 6 1.2 Project Location and Proposed Project .............................................................................................................. 7 1.3 CEQA and Addendums ............................................................................................................................................. 11 1.4 Scope of Addendum ................................................................................................................................................... 11 1.5 Addendum Organization ........................................................................................................................................... 13 1.6 Previous Environmental Documents Incorporated by Reference........................................................ 13 CHAPTER 2 PROPOSED PROJECT DESCRIPTION ..................................................................................................... 14 2.1 Proposed Project .......................................................................................................................................................... 14 2.2 Project Site Monitoring and Management ....................................................................................................... 30 2.2 Environmental Commitments and Mitigation Measures ........................................................................... 42 2.4 Agency Involvement ................................................................................................................................................... 43 CHAPTER 3 ENVIRONMENTAL ANALYSIS ...................................................................................................................... 45 3.1 Introduction...................................................................................................................................................................... 45 3.2 Air Quality ........................................................................................................................................................................ 47 3.3 Biological Resources .................................................................................................................................................. 53 3.4 Cultural Resources ...................................................................................................................................................... 76 3.5 Greenhouse Gas Emissions ................................................................................................................................... 85 3.6 Hydrology and Water Quality ................................................................................................................................. 89 3.7 Land Use and Land Use Planning ....................................................................................................................... 96 3.9 Recreation .................................................................................................................................................................... 103 3.10 Other Resources ....................................................................................................................................................... 104 3.11 Cumulative Impacts ................................................................................................................................................. 109 CHAPTER 4 REFERENCES ...................................................................................................................................................... 112 3 Appendices A. Environmental Commitments and Mitigation Measures B. Adaptive Management and Monitoring Plan C. Air Quality Model Outputs D. California Natural Diversity Database Species List E. California Native Plant Society Species List F. Revised Mammal Best Management Practices G. Cultural Resources Report H. Greenhouse Gas Emissions Documents I. Invasive Vegetation Management Plan List of Figures Figure 1-1 General Vicinity Location Map ............................................................................ 9 Figure 1-2 Project Site ........................................................................................................ 10 Figure 2-1 Suisun Marsh Plan Regions .............................................................................. 17 Figure 2-2 Concept Design ................................................................................................. 19 Figure 2-3 Haul Routes ....................................................................................................... 29 Figure 2-4 Public Access & Kayak Routes ......................................................................... 31 Figure 2-5 Monitoring Action Area ...................................................................................... 40 Figure 2-6 Habitat Sampling Areas ..................................................................................... 41 Figure 3-1 2015-2020 Waterfowl Use ............................................................................... 101 List of Tables Table 2-1 Proposed Project Consistency with Suisun Marsh Plan Purpose and Objectives . 15 Table 2-2 Marsh, Wetland, and Water Types Pre and Post Construction ............................. 18 Table 2-3 Estimated Design Specifications for Each Proposed Project Element Type ......... 20 Table 2-4 26 Table 2-5 Wings Landing Tidal Habitat Restoration Project Adaptive Management Reponses to Deficiencies in Attaining Project Objectives ................................................... 32 Table 2-6 Wings Landing Tidal Habitat Restoration Project Metrics and Monitoring Methods35 Table 2-7 Proposed Project Agency Involvement ................................................................... 44 Table 3.0-1 Status of Impacts by Resource of the Proposed Project Compared to the Final SMP EIS/EIR ........................................................................................................... 47 Table 3.1-1 SFBAAB Criteria Pollutant Attainment Status ..................................................... 48 Table 3.1-2 Suisun Marsh Plan Air Quality Impact Analysis .................................................. 49 Table 3.1-3 Construction Assumptions by Sub-Phase ........................................................... 51 Table 3.1-4 Equipment Count Assumptions ........................................................................... 51 Table 3.1-5 Proposed Project Construction Emissions in Pounds Per Day ........................... 52 Table 3.2-1 Suisun Marsh Plan Biological Resources Impact Analysis ................................. 57 Table 3.2-2 Anticipated Direct Impacts to Special-Status Plants ........................................... 64 • Table 3.3-1 Suisun Marsh Plan EIS/EIR Cultural Resources Impact Analysis 80 SMP EIS/EIR Impact ............................................................................................................... 80 SMP EIS/EIR: Significant Before Mitigation ............................................................................ 80 SMP EIS/EIR Mitigation Measures ......................................................................................... 80 SMP EIS/EIR: Significance after MMs .................................................................................... 80 • Table 3.4-1 Suisun Marsh Plan Greenhouse Gas Emissions Impact Analysis 85 Table 3.5-1 Suisun Marsh Plan Hydrology and Water Quality Impact Analysis..................... 92 4 Table 3.6-1 Suisun Marsh Plan Land Use and Land Use Planning Impact Analysis ............. 96 Table 3.6-2 98 Travis Air Force Base Land Use Compatibility Plan Analysis ................................................ 98 Table 3.7-1 Suisun Marsh Plan Recreation Impact Analysis................................................ 104 Table 3.9-1 Updated Cumulative Project List ....................................................................... 110 5 CHAPTER 1 INTRODUCTION This chapter presents background and introductory