GUENOC WATER RIGHTS MODIFICATION PROJECT FINAL ENVIRONMENTAL IMPACT REPORT MARCH 2009 Lead Agency: State Water Resources Control Board Division of Water Rights 1001 I Street, P.O. Box 2000 Sacramento, CA 95812-2000 Prepared by: ANALYTICAL ENVIRONMENTAL SERVICES 1801 7th Street, Suite 100 Sacramento, CA 95811 GUENOC WATER RIGHTS MODIFICATION PROJECT FINAL ENVIRONMENTAL IMPACT REPORT MARCH 2009 Lead Agency: State Water Resources Control Board Division of Water Rights 1001 I Street, P.O. Box 2000 Sacramento, CA 95812-2000 Prepared by: ANALYTICAL ENVIRONMENTAL SERVICES 1801 7th Street, Suite 100 Sacramento, CA 95811 TABLE OF CONTENTS GUENOC WATER RIGHTS MODIFICATION PROJECT FINAL ENVIRONMENTAL IMPACT REPORT PAGE 1.0 INTRODUCTION ........................................................................................................................ 1-1 1.1 OVERVIEW ........................................................................................................................ 1-1 1.2 ORGANIZATION OF DOCUMENT ................................................................................. 1-1 2.0 EXECUTIVE SUMMARy .......................................................................................................... 2-1 2.1 INTRODUCTION ............................................................................................................... 2-1 2.2 AL TERNA TIVES TO THE PROPOSED PROJECT DISCUSSED IN THE DRAFT EIR ........................................................................................................................ 2-8 2.3 SUMMARY OF ENVIRONMENTAL IMPACTS .......................................................... 2-10 3.0 COMMENTS ............................................................................................................................... 3-1 4.0 RESPONSES TO COMMENTS .................................................................................................. 4-1 LETTER 1 .................................................................................................................................... 4-1 LETTER 2 .................................................................................................................................. 4-69 LETTER 3 .................................................................................................................................. 4-70 LETTER4 .................................................................................................................................. 4-71 5 (STATE WATER RESOURCES CONTROL BOARD) ........................................................ 4-72 5.0 MINOR CHANGES AND EDITS TO THE DRAFT .................................................................. 5-1 5.1 OVERVIEW ........................................................................................................................ 5-1 5.2 CHANGES AND EDITS TO THE DRAFT EIR SECTIONS ............................................ 5-1 6.0 MITIGATION MONITORING AND REPORTING PROGRAM .............................................. 6-1 7.0 REPORT PREPARATION .......................................................................................................... 7-1 LIST OF TABLES TABLE 2-1 Mitigated Proposed Place of Use ........................................................................................ 2-7 TABLE 2-2 New Vineyard Acreage within the Mitigated Proposed Place of Use ................................. 2-7 TABLE 2-3 Summary ofEnvironrnental Impacts and Mitigation Measures ................................ 2-11 TABLE 4-1 Proposed Pipeline and Upper Bohn Reservoir Stream Inventory ....... .............................. .4-11 TABLE 4-2 Potentially Occuring Special-Status Survey Dates ........................................................... .4-22 TABLE 4-3 Elderberry Shrub Survey, November 16, 2006 ................................................................. .4-25 TABLE 4-4 December 2006 Addendum to Summary of Potentially Occurring Special-Status Species ................................................................................................................................ 4-50 TABLE 4-5 Cultural Resources Studies Within the Project Area ......................................................... .4-76 Analytical Environmental Services Guenoc Water Rights Modification Project March 2009 Final Envirorunentallmpact Report Table ofContents TABLE 4-6 Cultural Resources Within the Project Area ..................................................................... .4-77 TABLE 4-7 Potential Impacts and Recommended Mitigation Measures for Cultural Resources ........ .4-82 TABLE 6-1 Mitigation Monitoring and Reporting Program .................................................................. 6-2 LIST OF FIGURES FIGURE 2-1 Regional Location Map ................................................................................................... 2-2 FIGURE 2-2 Site and Vicinity Map ...................................................................................................... 2-3 FIGURE 2-3 Proposed Place of Use ..................................................................................................... 2-5 FIGURE 2-4 Mitigated Proposed Place of Use ...................................................................................... 2-6 FIGURE 4-1 Pipeline Aligrnnent Route ................................................................................................ 4-3 FIGURE 4-2 Pipeline Photographs ....................................................................................................... 4-4 FIGURE 4-3 Typical Stream/Swale Crossing Detail ......... .................................................................. .4-5 FIGURE 4-4 Site Photographs .............................................................................................................. 4-6 FIGURE 4-5 Site Photographs .......................... .. .................................................................................. 4-7 FIGURE 4-6 Upper Bohn Inundation Area ........................................................................................... 4-8 FIGURE 4-7 Site Photographs .............................................................................................................. 4-9 FIGURE 4-8 Site Photographs ............................................................................................................ 4-10 FIGURE 4-9 Wetland Delineation ...................................................................................................... 4-13 FIGURE 4-10 Stream Crossing Map .................................................................................................... 4-15 FIGURE 4-11 Typical Creek Crossing ................................................................................................. 4-16 FIGURE 4-12 Typical Stream Crossing ................................................................................................ 4-17 FIGURE 4-13 Locations Of Special Status Species .............................................................................. 4-21 FIGURE 4-14 Elderberry Shrub Locations ........................................................................................... 4-24 FIGURE 4-15 Site Photographs ............................................................................................................ 4-29 FIGURE 4-16 Section Through Reservoir ............................................................................................ 4-30 FIGURE 4-17 Site Photographs ............................................................................................................ 4-48 FIGURE 4-18 Locations Of Special-Status Plant Species And Serpentine Soils ................................ .4-56 FIGURE 4-19 Areas Proposed for Tree Planting .................................................................................. 4-63 FIGURE 4-20 Proposed Open Space Preservation Areas ..................................................................... 4-66 ApPENDICES Appendix A U.S. Fish and Wildlife Service Correspondence Related to California Red-Legged Frogs Appendix B Revised Notice of Petition for Extension of Time and Renotice of Change Petitions for Permits 16860C and 16861 Appendix C Detert Reservoir Operational Analysis Appendix D Use of Water on Magoon Estate, Limited's Lands Under Riparian Rights Appendix E Correspondence from Hanson Environmental Appendix F Equitable Share of Traffic Mitigation Memorandum Appendix G Tree Replacement Plan Appendix H Open Space Preservation Plan Appendix I Lake County Correspondence Analytical Environmental Services 11 Guenoc Water Rights Modification Project March 2009 Final Environmental Impact Re]XJrt CHAPTER 1.0 INTRODUCTION CHAPTER 1.0 INTRODUCTION 1.1 OVERVIEW This document includes comments and responses to comments on the Draft Envirornnental Impact Report (EIR) for the Guenoc Water Rights Modification Project (Proposed Project). This document also includes changes to the text of the Draft EIR that have been identified as the result of changes in the project description and in response to comments received. This document, together with the Draft EIR, comprises the Final EIR for the Proposed Project. The Draft EIR is incorporated by reference and is available as a separately bound document from the State Water Resources Control Board (State Water Board). The Draft EIR was submitted to the State Clearinghouse (SCH#2003042l71) and released for public and agency review for a 45-day review and comment