FINAL ENVIRONMENTAL ASSESSMENT YOCHA DEHE FEE-TO-TRUST AND HOUSING PROJECT OCTOBER 2012 LEAD AGENCY: ENT OFT TM HE I R 1824 N A T P E E R I D O . S R . U B U S R R I E A A F U F O A F INDIAN U.S. Department of the Interior Bureau of Indian Affairs Pacific Region Office 2800 Cottage Way, Room W-2820 Sacramento, CA 95825-1846 FINAL ENVIRONMENTAL ASSESSMENT YOCHA DEHE FEE-TO-TRUST AND HOUSING PROJECT OCTOBER 2012 LEAD AGENCY: PREPARED BY: ENT OFT TM HE I R 1824 N A T P E E R I D O . S R . U B U S R R I E A A F U F O A F INDIAN U.S. Department of the Interior Analytical Environmental Services Bureau of Indian Affairs 1801 7th Street, Suite 100 Pacific Region Office Sacramento, CA 95811 2800 Cottage Way, Room W-2820 (916) 447-3479 Sacramento, CA 95825-1846 www.analyticalcorp.com TABLE OF CONTENTS YOCHA DEHE FEE-TO-TRUST AND HOUSING PROJECT FINAL ENVIRONMENTAL ASSESSMENT 1.0 INTRODUCTION 1.1 Introduction ...................................................................................................................... 1-1 1.2 Location and Setting ........................................................................................................ 1-2 1.3 Purpose and Need ............................................................................................................ 1-5 1.4 Overview of the Environmental Process .......................................................................... 1-6 1.5 Environmental Issues Addressed ..................................................................................... 1-6 1.6 Regulatory Requirements and Approvals ........................................................................ 1-7 2.0 PROPOSED PROJECT AND ALTERNATIVES 2.1 Alternative A – Proposed Project .................................................................................... 2-1 2.2 Alternative B – Reduced Acreage .................................................................................... 2-7 2.3 Alternative C – No Action ............................................................................................... 2-8 2.4 Comparision of the Proposed Project and Alternatives ................................................... 2-9 3.0 DESCRIPTION OF AFFECTED ENVIRONMENT 3.1 Land Resources ................................................................................................................ 3-1 3.2 Water Resources .............................................................................................................. 3-7 3.3 Air Quality ..................................................................................................................... 3-21 3.4 Biological Resources ..................................................................................................... 3-27 3.5 Cultural Resources ......................................................................................................... 3-50 3.6 Socioeconomic Conditions / Environmental Justice ...................................................... 3-63 3.7 Transportation and Circulation ...................................................................................... 3-66 3.8 Land Use ........................................................................................................................ 3-68 3.9 Public Services ............................................................................................................... 3-74 3.10 Noise .............................................................................................................................. 3-79 3.11 Hazardous Materials ...................................................................................................... 3-81 3.12 Visual Resources ............................................................................................................ 3-84 4.0 ENVIRONMENTAL CONSEQUENCES 4.1 Alternative A-Proposed Project ....................................................................................... 4-1 4.2 Alternative B-Reduced Acreage .................................................................................... 4-31 4.3 Alternative C-No Action ................................................................................................ 4-35 4.4 Cumulative Effects ........................................................................................................ 4-38 4.5 Growth-Inducing Effects ............................................................................................... 4-43 5.0 MITIGATION MEASURES 5.1 Land Resources ................................................................................................................ 5-1 5.2 Water Resources .............................................................................................................. 5-2 5.3 Air Quality ....................................................................................................................... 5-3 5.4 Biological Resources ....................................................................................................... 5-4 i Yocha Dehe Fee-to-Trust and Housing Project October 2012 Final Environmental Assessment Table of Contents 5.5 Cultural Resources ........................................................................................................... 5-9 5.6 Socioeconomic Conditions / Environmental Justice ...................................................... 5-10 5.7 Transportation and Circulation ...................................................................................... 5-10 5.8 Land Use ........................................................................................................................ 5-10 5.9 Public Services ............................................................................................................... 5-10 5.10 Noise .............................................................................................................................. 5-10 5.11 Hazardous Materials ...................................................................................................... 5-11 5.12 Visual Resources ............................................................................................................ 5-11 6.0 CONSULTATION, COORDINATION, AND LIST OF PREPARERS 6.1 Federal Agencies Consulted ............................................................................................ 6-1 6.2 State Agencies Consulted ................................................................................................ 6-1 6.3 Tribes Consulted .............................................................................................................. 6-1 6.4 Local Agencies Consulted ............................................................................................... 6-1 6.5 Preparers of Environmental Assessment ......................................................................... 6-2 7.0 BIBLIOGRAPHY ............................................................................................................................ 7-1 LIST OF TABLES 1-1 Project Site Parcels .......................................................................................................... 1-1 2-1 Summary of Project Alternatives ..................................................................................... 2-1 2-2 Proposed Tribal Modified Land Uses ............................................................................ 2-11 3-1 Project Site Soils .............................................................................................................. 3-4 3-2 100-Year Floodplain Status by Parcel Number ............................................................. 3-12 3-3 Capay Valley Subbasin Well Characteristics ................................................................ 3-13 3-4 CVRWQCB Surface Water Quality Objectives ............................................................ 3-16 3-5 Surface Water Quality of Cache Creek (2007) .............................................................. 3-19 3-6 CVRWQCB Groundwater Quality Objectives .............................................................. 3-20 3-7 Groundwater Quality of CCCR Wells ........................................................................... 3-21 3-8 National Ambient Air Quality Standards ....................................................................... 3-25 3-9 Exceedances of NAAQS in the YSAQMD ................................................................... 3-26 3-10 Summary of Habitat Types on the Project Site .............................................................. 3-38 3-11 Federal, State, and CNPS Listed Potentially Occurring Special-Status Species ........... 3-44 3-12 Previously Recorded Cultural Resources Located Within APE .................................... 3-59 3-13 Newly Identified Cultural Resources Located Within APE .......................................... 3-61 3-14 Regional Population ....................................................................................................... 3-63 3-15 Regional Housing Stock ................................................................................................ 3-64 3-16 2009 Property Values and Expected Property Tax ........................................................ 3-64 3-17 SR-16 Traffic Counts in the Project Area ...................................................................... 3-66 4-1 Unmitigated Construction Emissions .............................................................................