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Middle Green Valley Specific Plan Project Middle Green Valley Specific Plan Project Second Revised Recirculated Draft Environmental Impact Report State Clearinghouse #2009062048 PREPARED FOR: Solano County, Department of Resource Management 675 Texas Street, Suite 5500 Fairfield, CA 94533-6341 June 2016 Middle Green Valley Specific Plan Project Second Revised Recirculated Draft Environmental Impact Report State Clearinghouse #2009062048 PREPARED FOR: Solano County, Department of Resource Management 675 Texas Street, Suite 5500 Fairfield, CA 94533-6341 Contact: Matt Walsh 707-784-6765 [email protected] PREPARED BY: Ascent Environmental, Inc. 455 Capitol Mall, Suite 300 Sacramento, CA 95814 Contact: Sydney B. Coatsworth, AICP 916-930-3185 [email protected] June 24, 2016 12010052.02 Middle Green Valley Specific Plan Second Revised Recirculated Draft EIR Solano County Table of Contents June 2016 Page i TABLE OF CONTENTS ACRONYMS AND ABBREVIATIONS .................................................................................................. iii 1. INTRODUCTION ..................................................................................................................... 1-1 1.1 Background and Purpose of the Second Revised Recirculated Draft Environmental Impact Report ...................................................................................... 1-1 1.2 Summary Description of the Proposed Project ............................................................. 1-2 1.2.1 Middle Green Valley Specific Plan Area ........................................................... 1-3 1.2.2 General Plan Background ................................................................................ 1-3 1.2.3 Proposed Specific Plan .................................................................................... 1-3 1.2.4 Required Approvals ............................................................................................ 1-9 1.3 Focus and Content of this Second Revised Recirculated DEIR ................................... 1-9 1.3.1 Contents of this Second Revised Recirculated DEIR ..................................... 1-10 1.4 Environmental Review Process for this Second Revised Recirculated DEIR ............. 1-10 6. BIOLOGICAL RESOURCES (REVISED) ............................................................................... 6-1 6.1 Setting ......................................................................................................................... 6-1 6.1.1 Countywide Context ......................................................................................... 6-1 6.1.2 Middle Green Valley Specific Plan Area ........................................................... 6-2 6.2 Pertinent Plans and Policies ...................................................................................... 6-43 6.2.1 Pertinent Solano County Plans ....................................................................... 6-43 6.2.2 Pertinent Federal Regulations ........................................................................ 6-44 6.2.3 Pertinent State of California Regulations ........................................................ 6-45 6.3 Impacts and Mitigation Measures .............................................................................. 6-46 6.3.1 Significance Criteria ....................................................................................... 6-46 6.3.2 Relevant Project Characteristics .................................................................... 6-49 6.3.3 Impacts and Mitigation Measures ................................................................... 6-50 17. LIST OF PREPARERS ......................................................................................................... 17-1 17.1 Solano County (Lead Agency) ................................................................................... 17-1 17.2 Ascent Environmental, Inc. (EIR Consultant) ............................................................. 17-1 17.3 Vollmar Natural Lands Consulting (Biological Resources Consultant)........................ 17-1 17.4 Luhdorff & Scalmanini Consulting Engineers (Water Supply Consultant) ................... 17-1 Appendices (Provided on CD on back cover) A Biological Resources Report – Vollmar Natural Lands Consulting C Biological Resource Record Searches D Consultant Resumes Middle Green Valley Specific Plan Second Revised Recirculated Draft EIR Solano County Table of Contents June 2016 Page ii Figures Figure 1.1 Project Location ................................................................................................................. 1-4 Figure 1.2 Specific Plan Area.............................................................................................................. 1-5 Figure 1.3 Proposed Land Use Designations, Middle Green Valley Specific Plan Area ...................... 1-7 Figure 1.4 Proposed Specific Plan Water System Features ................................................................ 1-8 Figure 6.1 Existing Vegetation and Aquatic Communities in the Plan Area ......................................... 6-5 Figure 6.2 Recorded (CNDDB) Occurrences of Special-Status Plant Species in the Plan Area Vicinity ....................................................................................................................... 6-17 Figure 6.3 Recorded (CNDDB) Occurrences of Special-Status Wildlife Species in the Plan Area Vicinity ....................................................................................................................... 6-35 Figure 6.4 Specialized Wildlife Habitats in the Plan Area .................................................................. 6-36 Figure 6.5 Induced Recharge Occurs When Cone of Depression Extends to Stream Corridor ......... 6-48 Figure 6.6 Green Valley Creek at Magels Boulevard Stream Gauge Stage Data, Fairfield, CA. ........ 6-49 Figure 6.7 Vegetation and Aquatic Communities in Specific Plan-Proposed Development ............... 6-62 Figure 6.8 Specialized Wildlife Habitats in Specific Plan-Proposed Development Areas ................... 6-63 Tables Table 6.1 Vegetation and Aquatic Communities Mapped in the Plan Area .......................................... 6-4 Table 6.2 Special-Status Plant Species that May Occur or are Known to Occur in Habitats Similar to Those Found in the Plan Area ............................................................................... 6-11 Table 6.3 Special-Status Wildlife Species that May Occur or are Known to Occur in Habitats Similar to Those Found in the Plan Area .................................................................... 6-21 Table 6.4 Water Table Requirements of Facultative Wetland Plants and Facultative Plants Occurring in the Riparian Corridors of Green Valley Creek and Tributaries, Solano County, CA ................................................................................................................ 6-47 Table 6.5 Summary of 2009 DEIR Biological Resources Impacts and Mitigation Measures not Altered by this SRRDEIR ........................................................................................... 6-51 Table 6.6 Summary of 2009 DEIR Impacts and Mitigation Measures Evaluated in the SRRDEIR .... 6-53 Middle Green Valley Specific Plan Second Revised Recirculated Draft EIR Solano County Acronyms and Abbreviations June 2016 Page iii ACRONYMS AND ABBREVIATIONS afy acre-feet per year Basin Plan Water Quality Control Plan for the San Francisco Bay Basin BCC USFWS Bird of Conservation Concern BMPs best management practices CCR California Code of Regulations CDFW California Department of Fish and Wildlife CESA California Endangered Species Act CFD Community Facilities District CFP CDFW Fully Protected Species CNPS California Native Plant Society CRLF California red-legged frog CSA County Services Area CSB Callippe silverspot butterfly CTS California tiger salamander DEIR Draft Environmental Impact Report DPS Distinct Population Segment DWR California Department of Water Resources EFH Essential Fish Habitat FE Federal Endangered FESA federal Endangered Species Act FT Federal Threatened gpm gallons per minute HCP Habitat Conservation Plan LAFCO Local Agency Formation Commission MBTA Migratory Bird Treaty Act Middle Green Valley Specific Plan Second Revised Recirculated Draft EIR Solano County Acronyms and Abbreviations June 2016 Page iv NMFS National Marine Fisheries Service NRCS Natural Resources Conservation Service NWI National Wetland Inventory OHWM ordinary high water mark RDEIR Recirculated Draft EIR RRDEIR Revised Recirculated Draft EIR SCWA Solano County Water Agency SID Solano Irrigation District Specific Plan Middle Green Valley Specific Plan SSC Species of Special Concern ST State Threatened SWRCB State Water Resources Control Board TDR transfer of development rights USACE U.S. Army Corps of Engineers USDA U.S. Department of Agriculture USFWS U.S. Fish and Wildlife Service USGS U.S. Geological Survey VELB Valley elderberry longhorn beetle Water Board San Francisco Regional Water Quality Control Board WBWG Western Bat Working Group High Priority WPT Western pond turtle WSA water supply assessment Middle Green Valley Specific Plan EIR Second Revised Recirculated Draft EIR Solano County 1. Introduction June 2016 Page 1-1 1. INTRODUCTION 1.1 BACKGROUND AND PURPOSE OF THE SECOND REVISED RECIRCULATED DRAFT ENVIRONMENTAL IMPACT REPORT The Solano County General Plan, as updated in 2008, designates approximately 1,905 acres of Middle Green Valley as a
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