South Bay Salt Ponds Initial Stewardship Plan Draft Environmental Impact Report/Environmental Impact Statement
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South Bay Salt Ponds Initial Stewardship Plan Draft Environmental Impact Report/Environmental Impact Statement December 2003 Submitted by: California Department of United States Fish and Fish and Game Wildlife Service SOUTH BAY SALT PONDS INITIAL STEWARDSHIP PLAN NOTICE: This document represents a Draft EIR/EIS prepared by California Department of Fish and Game and the US Fish and Wildlife Service. Due to differences in publication requirements, the CEQA and NEPA documents will have different circulation times. CEQA: The Draft EIR/EIS will be circulated for a 45-day public and agency review period, beginning with the publication of this document on December 22, 2003 and ending 45 days after this date. Copies of the document have been made available to applicable local, state, and federal agencies and to interested organizations and individuals wishing to review and comment on the report. Written comments will be received by CDFG at the following address: Carl Wilcox Habitat Conservation Manager California Department of Fish and Game Region 3 Headquarters P.O. Box 47 Yountville, CA 94599 FAX (707) 944-5563 NEPA: USFWS will consider all comments on the DEIR/EIS provided by the public and federal, state, and local agencies within the 45-day comment period starting upon publication in the Federal Register. Written comments will be received by USFWS at the following address: Margaret Kolar Refuge Manager U.S. Fish and Wildlife Service San Francisco Bay NWR Complex P.O. Box 524 Newark, California 94560 FAX: (510) 792-5828 Email: [email protected] Draft South Bay Salt Pond Initial Stewardship Project Environmental Impact Report / Environmental Impact Statement Prepared for: U.S. Fish and Wildlife Service California Department of Fish and Game San Francisco Bay NWR Complex Region 3 Headquarters P.O. Box 524 P.O. Box 47 Newark, CA 94560 Yountville, CA 94599 Contact: Contact: Margaret Kolar, Refuge Manager Carl Wilcox, Habitat Conservation Manager Prepared by: Life Science!, Inc. 1059 Court Street, Suite 106 Woodland, CA 95695 Contact: Lisa Stallings, PhD 530/668-5667 December 2003 TABLE OF CONTENTS Executive Summary Introduction ____________Purpose and Need ..................................................................................S-2 ____________Project Alternatives................................................................................S-3 ____________Environmental Impacts and Mitigation Measures .................................S-5 ____________Unavoidable Significant Impacts...........................................................S-7 ____________Comparison of the Alternatives .............................................................S-7 ____________Environmentally Superior (CEQA) And Preferred (NEPA) Alternatives ................................................S-8 Chapter 1.0 Introduction 1.1 _________Project Location.....................................................................................1-1 1.1.1________ Alviso Pond Complex......................................................................1-1 1.1.2________ West Bay Complex ..........................................................................1-2 1.1.3________ Baumberg Pond Complex................................................................1-2 1.2 _________Project Purpose and Need ......................................................................1-2 1.3 _________Project Background................................................................................1-3 1.3.1________ Salt Production in the South San Francisco Bay .............................1-3 1.3.2________ History of the Project.......................................................................1-5 1.4 _________Project Description.................................................................................1-5 1.5 _________Overview of CEQA and NEPA Compliance.........................................1-6 1.5.1________ CEQA Compliance..........................................................................1-6 1.5.2________ NEPA Compliance...........................................................................1-7 1.6 _________Scope and Intent of the EIR/EIS............................................................1-7 1.6.1________ Resources Evaluated and Eliminated from Further Consideration..1-8 1.7 _________Key Issues Addressed in the EIR/EIS....................................................1-9 1.8 _________Public Involvement and Scoping ...........................................................1-9 1.8.1________ Scoping ............................................................................................1-9 1.8.2________ Involvement with Draft EIR/EIS ...................................................1-10 1.8.3________ Final EIR/EIS.................................................................................1-11 1.8.4________ Thirty-Day Waiting Period/Public Comment Period.....................1-11 1.8.5________ Record of Decision (ROD)/EIR Certification................................1-11 1.8.6________ Mitigation Monitoring and Reporting Program (CEQA) ..............1-12 1.9 _________Issues and Concerns.............................................................................1-12 1.9.1________ Issue 1: Hydrologic and Hydraulic Resources, including Flood Protection .....1-12 1.9.2________ Issue 2: Water Quality ...................................................................1-13 1.9.3________ Issue 3: Contaminated Sediments ..................................................1-13 1.9.4________ Issue 4: Biological Resources ........................................................1-14 1.9.5________ Issue 5: Cultural Resources............................................................1-14 1.9.6________ Issue 6: Recreation, Public Access, and Public Health..................1-15 1.9.7________ Issue 7: Air Quality........................................................................1-15 1.9.8________ Issue 8: Utilities and Infrastructure................................................1-15 ______________________________________________________________________________________ Cargill South Bay Salt Ponds EIR/EIS ii Front Material—List of Figures Revised 1/6/2004 1.9.9________ Issue 9: Socio-economics...............................................................1-15 1.9.10_______ Issue 10: Land Use Planning .........................................................1-15 1.9.11_______ Issue 11: Cumulative Impacts........................................................1-15 1.10 ________Availability of Project Files.................................................................1-16 1.11 ________Report Organization.............................................................................1-16 1.12 ________Consultation and Other Requirements.................................................1-16 1.12.1_______ Required Permits, Consultations, and Approvals ..........................1-16 1.12.2_______ Federal, State, and Local Environmental Requirements................1-17 1.12.3_______ Federal Requirements ....................................................................1-18 1.12.4_______ State Requirements ........................................................................1-22 1.13 ________Other Pertinent Studies and Documents ..............................................1-24 1.13.1_______ Biological Analysis........................................................................1-24 1.13.2_______ Management Plans and Strategies .................................................1-24 Chapter 2 Alternatives 2.1 _________Introduction............................................................................................2-1 2.2 _________Development of Alternatives .................................................................2-1 2.3 _________Alternatives Considered But Eliminated from Detailed Study..............2-3 2.3.1________ Three-System Alternative................................................................2-4 2.3.2________ Pump All the Baumberg Ponds Alternative.....................................2-4 2.3.3________ Culvert Structures for Island Ponds Alternative ..............................2-4 2.3.4________ Breach All Ponds Alternative ..........................................................2-5 2.3.5________ Individual System Alternatives........................................................2-5 2.4 _________Alternatives Considered in Detail..........................................................2-7 2.4.1________ No Project/No Action Alternative ...................................................2-9 2.4.2________ Alternative 1: Seasonal Pond Alternative......................................2-10 2.4.3________ Pond Management Alternative 2: Simultaneous March/April Initial Release.............2-10 2.4.4________ Pond Management Alternative 3: Phased Initial Release..............2-41 2.5 _________Comparison of Alternatives .................................................................2-43 Chapter 3 Hydrologic and Hydraulic Conditions 3.1 _________Affected Environment............................................................................3-1 3.1.1________ SSFB Tides and Tidal Currents .......................................................3-1 3.1.2________ Freshwater Inflows to SSFB ............................................................3-1 3.1.3________ SSFB Tidal Sloughs.........................................................................3-2 3.1.4________ Flood Protection...............................................................................3-4