Final Environmental Impact Report/Environmental Impact Statement

Final Environmental Impact Report Final Environmental Impact Report/Environmental Impact Statement (Final EIR/EIS)

November 2023

Volume 1 – Chapters

Download all Chapter Sections here (72.6 MB)

Executive Summary Table

Executive Summary – Spanish

Chapter 1: Introduction

Chapter 2: Project Description and Alternatives

Chapter 3: Environmental Analysis

Chapter 4: Regulatory and Environmental Compliance: Project Permits, Approvals, and Consultation Requirements

Chapter 5: Surface Water Resources

Chapter 6: Surface Water Quality

Chapter 7: Fluvial Geomorphology

Chapter 8: Groundwater Resources

Chapter 9: Vegetation and Wetland Resources

Chapter 10: Wildlife Resources

Chapter 11: Aquatic Biological Resources

Chapter 12: Geology and Soils

Chapter 13: Minerals

Chapter 14: Land Use

Chapter 15: Agriculture and Forestry Resources

Chapter 16: Recreation Resources

Chapter 17: Energy

Chapter 18: Navigation, Transportation, and Traffic

Chapter 19: Noise

Chapter 20: Air Quality

Chapter 21: Greenhouse Gas Emissions

Chapter 22: Cultural Resources

Chapter 23: Tribal Cultural Resources

Chapter 24: Visual Resources

Chapter 25: Population and Housing

Chapter 26: Public Services and Utilities

Chapter 27: Public Health and Environmental Hazards

Chapter 28: Climate Change

Chapter 29: Indian Trust Assets

Chapter 30: Environmental Justice and Socioeconomics

Chapter 31: Cumulative Impacts

Chapter 32: Other Required Analyses

Chapter 33: Consultation and Coordination and List of Preparers

Chapter 34: Final EIR/EIS Document Distribution

Volume 2 – Appendices

Download all Appendices Sections here (195.2 MB)

Table of Contents

Appendix 1

Appendix 1A, Introduction to Appendices and Models

Appendix 2

Appendix 2A, Alternatives Screening and Evaluation Flysheet—No Changes from RDEIR/SDEIS

Appendix 2B, Additional Alternatives Screening and Evaluation Flysheet

Appendix 2B, Additional Alternatives Screening and Evaluation

Appendix 2C, Construction Means, Methods, and Assumptions—No Changes from RDEIR/SDEIS

Appendix 2D, Best Management Practices, Management Plans, and Technical Studies

Appendix 2D1, Assessment of Mystery Snail Technical Memorandum Flysheet

Appendix 2D1, Assessment of Mystery Snail Technical Memorandum

Appendix 4

Appendix 4A, Regulatory Requirements Flysheet

Appendix 4A, Regulatory Requirements

Appendix 5

Appendix 5A, Surface Water Resources Modeling of Alternatives

Appendix 5A1, Model Assumptions

Appendix 5A2, CALSIM II Model Assumptions Callouts

Appendix 5A3, DSM2 Model Assumptions Callouts

Appendix 5A4, HEC5Q and Reclamation Temperature Model Assumptions Callouts

Appendix 5A5, CALSIM II Model Delivery Specifications

Appendix 5A6, Model Limitations and Improvements

Appendix 5A7, Daily Pattern Development for the Estimation of Daily Flows and Weir Spills in CALSIM II

Appendix 5B, Water Resources Modeling System

Appendix 5B1, Project Operations

Appendix 5B2, River Operations

Appendix 5B3, Delta Operations

Appendix 5B4, Regional Deliveries

Appendix 5B5, Water Supply

Appendix 5C, Upper Sacramento River Daily River Flow and Operations Model Flysheet

Appendix 5C, Upper Sacramento River Daily River Flow and Operations Model Part 1

Appendix 5C, Upper Sacramento River Daily River Flow and Operations Model Part 2

Appendix 6

Appendix 6A, Water Quality Constituents and Beneficial Uses

Appendix 6B, Sacramento–San Joaquin Delta Modeling Flysheet

Appendix 6B1, Sacramento–San Joaquin Delta Modeling, Salinity Results (DSM2-QUAL)

Appendix 6B2, Sacramento–San Joaquin Delta Modeling, Chloride Results (DSM2-QUAL)

Appendix 6B3, Sacramento–San Joaquin Delta Modeling, X2 Results (DSM2-QUAL)

Appendix 6B4, Sacramento–San Joaquin Delta Modeling, Export Loading

Appendix 6B5, Water Quality Compliance

Appendix 6C, River Temperature Modeling Results Flysheet

Appendix 6C, River Temperature Modeling Results

Appendix 6D, Sites Reservoir Discharge Temperature Modeling

Appendix 6D1, Reservoir Surface Water and Release Temperature

Appendix 6D2, Water Temperature at Downstream Locations

Appendix 6E, Water Quality Data

Appendix 6F, Mercury and Methylmercury Flysheet

Appendix 6F, Mercury and Methylmercury

Appendix 6F1, Mercury and Methylmercury Supplemental Analysis Flysheet

Appendix 6F1, Mercury and Methylmercury Supplemental Analysis

Appendix 7

Appendix 7A, Fluvial Geomorphic Setting Information Flysheet

Appendix 7A, Fluvial Geomorphic Setting Information

Appendix 7B, Hydrodynamic Geomorphic Modeling Results Flysheet

Appendix 7B, Hydrodynamic Geomorphic Modeling Results

Appendix 7B, Hydrodynamic Geomorphic Modeling Results (2017)

Appendix 8

Appendix 8A, Groundwater Resources Basin Setting Flysheet

Appendix 8A, Groundwater Resources Basin Setting

Appendix 8B, Groundwater Modeling—No Changes from RDEIR/SDEIS

Appendix 9

Appendix 9A, Special-Status Plant Species—No Changes from RDEIR/SDEIS

Appendix 9B, Vegetation and Wetland Methods and Information—No Changes from RDEIR/SDEIS

Appendix 10

Appendix 10A, Wildlife Species Lists, Special-Status Wildlife Table, and Non-Listed Wildlife Species Accounts Flysheet

Appendix 10A, Wildlife Species Lists, Special-Status Wildlife Table, and Non-Listed Wildlife Species Accounts

Appendix 10B, Wildlife Habitat Models and Methods—No Changes from RDEIR/SDEIS

Appendix 10C, Special-Status Wildlife Impacts Tables—No Changes from RDEIR/SDEIS

Appendix 11

Appendix 11A, Aquatic Species Life Histories

Appendix 11A1, Juvenile Salmonid Monitoring, Sampling, and Salvage Timing Summary from SacPAS

Appendix 11B, Upstream Fisheries Impact Assessment Quantitative Methods

Appendix 11C, This Appendix Number Not Used in the Final EIR/EIS

Appendix 11D, Fisheries Water Temperature Assessment

Appendix 11E, Reservoir Fish Species Analysis

Appendix 11F, Smelt Analysis

Appendix 11G, This Appendix Number Not Used in the Final EIR/EIS

Appendix 11H, Salmonid Population Modeling (SALMOD) Part I

Appendix 11H, Salmonid Population Modeling (SALMOD) Part II

Appendix 11H, Salmonid Population Modeling (SALMOD) Part III

Appendix 11I, Winter-Run Chinook Salmon Life Cycle Modeling

Appendix 11I1, IOS Winter-Run Chinook Salmon Life Cycle Model Flysheet

Appendix 11I1, IOS Winter-Run Chinook Salmon Life Cycle Model

Appendix 11I2, OBAN Winter-Run Chinook Salmon Life Cycle Model Flysheet

Appendix 11I2, OBAN Winter-Run Chinook Salmon Life Cycle Model

Appendix 11J, Through-Delta Survival and Delta Rearing Habitat of Juvenile Chinook Salmon

Appendix 11K, Weighted Usable Area Analysis

Appendix 11L, Sturgeon Analyses

Appendix 11M, Yolo and Sutter Bypass Flow and Weir Spill Analysis

Appendix 11M1, Acres of Yolo Bypass with Limiting Habitat Suitability Criteria (Depth < 1 meter deep and/or Flow Velocity < 1.5 feet per second) for Rearing Salmonids under Three Different Fremont Weir Spills Levels

Appendix 11M2, Yolo Bypass Spill Events

Appendix 11M3, Average Monthly and Average Annual Number of Yolo Bypass Inundation Events with Three Different Ranges of Duration and Four Ranges of Suitable Habitat Acreages for the NAA and Alt 1A, Alt 1B, Alt 2, and Alt 3

Appendix 11M4, Sutter Bypass Weir Spill Events

Appendix 11M5, Average Monthly and Average Annual Number of Sutter Bypass Inundation Events with Three Different Ranges of Duration and Four Ranges of Suitable Habitat Acreages for the NAA and Alt 1A, Alt 1B, Alt 2, and Alt 3

Appendix 11M6, Average Monthly and Average Annual of Sacramento River Side-Channel Inundation Events (Three River Reaches Combined) with Three Different Ranges of Duration and Four Ranges of Suitable Habitat Acreages for the NAA and Alt 1A, Alt 1B, Alt 2, and Alt 3

Appendix 11M7, Sacramento River Side-Channel Inundation Events for Reach 1

Appendix 11M8, Sacramento River Side-Channel Inundation Events for Reach 2

Appendix 11M9, Sacramento River Side-Channel Inundation Events for Reach 3

Appendix 11N, Other Flow-Related Upstream Analyses

Appendix 11O, Anderson-Martin Models

Appendix 11P, Riverine Flow-Survival

Appendix 11P1, Sites Reservoir Daily Divertible & Storable Flow Tool

Appendix 11Q, Other Delta Species Analyses

Appendix 12

Appendix 12A, Soil Survey Map of the Study Area—No Changes from RDEIR/SDEIS

Appendix 12B, Soil Map Units in the Study Area—No Changes from RDEIR/SDEIS

Appendix 15

Appendix 15A Flysheet Natural Resources Conservation Service Land Evaluation and Site Assessment Explanations and Calculations for the Sites Reservoir Project

Appendix 15A, Natural Resources Conservation Service Land Evaluation and Site Assessment Explanations and Calculations for the Sites Reservoir Project

Appendix 15A1, Farmland Conversion Impact Ratings Flysheet

Appendix 15A1, Farmland Conversion Impact Ratings Colusa County

Appendix 15A1, Farmland Conversion Impact Ratings Glenn County

Appendix 15A1, Farmland Conversion Impact Ratings Yolo County

Appendix 15A2, Site Assessment Calculations Flysheet

Appendix 15A2, Site Assessment Calculations

Appendix 17

Appendix 17A, CVP/SWP Power Modeling Flysheet

Appendix 17A, CVP/SWP Power Modeling

Appendix 19

Appendix 19A, Noise Definitions and Noise Calculations—No Changes from RDEIR/SDEIS

Appendix 20

Appendix 20A, Methodology for Air Quality and GHG Emissions Calculations Flysheet

Appendix 20A, Methodology for Air Quality and GHG Emissions Calculations

Appendix 20B, This Appendix Number Not Used in the Final EIR/EIS

Appendix 20C, Ambient Air Quality and Health Risk Analysis Technical Report Flysheet

Appendix 20C, Ambient Air Quality and Health Risk Analysis Technical Report

Appendix 20C1, AERMOD Equivalency Model Demonstration

Appendix 20C2, Model Construction Figures

Appendix 20C3, Modeled Emissions

Appendix 20D, Photochemical Modeling Study to Support a Health Impact Analysis

Appendix 21

Appendix 21A, Greenhouse Gas Support Appendix

Appendix 22

Appendix 22A, Cultural Resources Flysheet

Appendix 22A, Cultural Resources – Introduction

Appendix 22A, Cultural Resources

Appendix 24

Appendix 24A, Landscape Character Photos and Associated Maps—No Changes from RDEIR/SDEIS

Appendix 24B, Regional and Project Landscape Description—No Changes from RDEIR/SDEIS

Appendix 27

Appendix 27A, Environmental Records Search—No Changes from RDEIR/SDEIS

Appendix 28

Appendix 28A, Climate Change Flysheet

Appendix 28A, Climate Change

Appendix 30

Appendix 30A, Regional Economics Modeling—No Changes from RDEIR/SDEIS

Appendix 30B, Comparison of Regional Hydrologic Model Results to Inform Economic Analyses Flysheet

Appendix 30B, Comparison of Regional Hydrologic Model Results to Inform Economic Analyses

Appendix 33

Appendix 33A, 2017 Draft EIR/EIS Chapter 36, Consultation and Coordination—No Changes from RDEIR/SDEIS

Appendix 33B, Previous Scoping Processes—No Changes from RDEIR/SDEIS

Appendix 33C, Planning Aid Memorandum—No Changes from RDEIR/SDEIS

Volume 3 – Responses to Comments

Download all Responses to Comments here (54.5 MB)

Table of Contents

Chapter 1: Introduction and Approach to Responses to Comments

Chapter 2: Indices of Commenters and Index of Primary Forms

Chapter 3: Master Responses

Master Response 1: CEQA and NEPA Process, Regulatory Requirements, and General Comments

Master Response 2: Alternatives Description and Baseline

Master Response 3: Hydrology and Hydrologic Modeling

Master Response 4: Water Quality

Master Response 5: Aquatic Biological Resources

Master Response 6: Vegetation, Wetland, and Wildlife Resources

Master Response 7: Tribal Coordination, Consultation, and Engagement

Master Response 8: Trinity River

Master Response 9: Alternatives Development

Chapter 4: Responses to Comments

Appendix 2A List of Petition Signatures

Appendix 4

Appendix 4A Reclamation Responses to 2017 Draft EIS Comments