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Browse the Document Library to find information related to the Delta Conveyance program, including reports and technical documents.
Informational Documents
English
DCA FACT SHEETS
A CLOSER LOOK SERIES
Bethany Complex Fact Sheet
Cost Containment Fact Sheet
Engineering Innovations Fact Sheet
Intakes Fact Sheet
Launch Shaft Fact Sheet
North Delta Traffic Fact Sheet
Pile Driving Fact Sheet
Reusable Tunnel Material Fact Sheet
Seismic Resilience Fact Sheet
Soil Testing Fact Sheet
Tunneling Fact Sheet
Why Bethany Fact Sheet
Español
HOJA INFORMATIVA de DCA
UN VISTAZO DE CERCA
Complejo Bethany Propuesto
Contención de Costos
Innovaciones de Ingeniería
Tomas de Agua
Túneles Verticales de Entrada
Gestión del Tráfico en el Norte
Hincado de Pilotes
Material Reutilizable del Túnel
La Resiliencia Sísmica
Pruebas del Suelo
El Túnel
Ruta de la Represa de Bethany
reduce los impactos mediante el uso de ingeniería
中文
三角洲輸水工程建造局情况說明
深入瞭解 (A CLOSER LOOK SERIES)
Bethany 綜合體
控制
工程創新
三角洲輸送進水口
撤併下方井場
北三角洲交通管理
儘量減少北三角洲打樁
可重複使用的隧道材料
三角洲輸送和抗震能力
土壤測試 – 瞭解地下
隧道
貝瑟尼水庫路線計畫運用工程設計減少影響
Technical Documents
Bethany Cost Estimate
Joint Exercise Powers Agreement (JEPA)
JEPA Amendment 9 – December 19, 2024
JEPA Amendment 8 – January 24, 2024
JEPA Amendment 7 – December 23, 2022
JEPA Amendment 6 – April 22, 2022
JEPA Amendment 5 – March 2, 2021
JEPA Amendment 4 – October 26, 2020
JEPA Amendment 3 – August 28, 2020
JEPA Amendment 2 – June 3, 2020
JEPA Amendment 1 – June 27, 2019
JEPA – October 26, 2018
Exhibit A
Exhibit B
Exhibit C
Exhibit D
Exhibit E
Exhibit F
Amended Joint Powers Agreement (JPA)
Delta Conveyance Design and Construction JPA – December 31, 2020
Joint Powers Agreement (JPA)
Delta Conveyance Design and Construction JPA – May 14, 2018
Bylaws & Policies
DCA Bylaws
DCA Conflict of Interest Code
DCA Discrimination and Harassment Policy
DCA Disposal of Surplus Property Policy
DCA Ethics Policy
DCA Health, Safety and Security Policy
DCA Investment Policy
DCA Protest Policy
DCA Purchasing and Procurement Policy
DCA SBE / DVBE Policy
DCA Sustainability Policy
DCA Travel Policy
English
Alameda County Water District Fact Sheet
Antelope Valley-East Kern Fact Sheet
Crestline-Lake Arrowhead Water Agency Fact Sheet
Desert Water Agency Fact Sheet
Kern County Water Agency Fact Sheet
Mojave Water Agency Fact Sheet
Palmdale Water District Fact Sheet
Santa Clarita Valley Water Agency Fact Sheet
San Luis Obispo County Fact Sheet
Valley Water Fact Sheet
Zone 7 Water Agency Fact Sheet
Concept Engineering Report
Volume 1
001 - Delta Conveyance Project Concept Engineering Report
Appendix A Hydraulics and Operations Technical Memorandums
Appendix B Intakes Technical Memorandums
Appendix B1 Sacramento River Flood Flow Hydraulic Modeling – HEC-RAS 2D
Appendix B2 River Hydrologic Criteria for Intake Sizing
Appendix B3 Sacramento River Hydraulic Modeling – HEC-RAS 2D to Support Aquatic Effects Analysis
Appendix B4 Intake Structural Configuration and Fish Screen Type Analysis
Appendix B5 Existing Surface Water Diversions – Intakes
Appendix B6 Intake Site Identification and Evaluation
Appendix B7 Intake Screen Sizing – North Delta Intakes
Appendix B8 Intakes River Sediment Analysis – North Delta Intakes
Appendix B9 Intakes Operations and Maintenance Equipment and Facility Needs
Appendix B10 Conceptual Intake Cofferdam Construction
Appendix B11 Intake Flood Management
Appendix B12 North Delta Intake Facilities Configuration, Construction, and Operations
Appendix B13 Dewatering Estimates for Intake Facilities
Appendix C Tunnel and Shaft Technical Memorandums
Appendix C1 Tunnel Excavation and Drive Assessment
Appendix C2 Conceptual Tunnel Lining Evaluation
Appendix C3 Tunneling Effects Assessment
Appendix C4 Shaft Conceptual Design
Appendix C5 Shaft Siting Study
Appendix C6 Reusable Tunnel Material
Appendix C7 Tunnel Inspection and Maintenance Considerations
Appendix D Bethany Complex Technical Memorandums
Appendix D1 Facilities Siting Study
Appendix D2 Bethany Pumping Plant Basis of Conceptual Design Criteria
Appendix D3 Bethany Reservoir Pumping Plant Facilities and Site Configuration
Appendix D4 Bethany Reservoir Aqueduct Surge Protection Alternatives
Appendix D5 Conceptual Development of Aqueduct and Discharge Structure
Appendix E Logistics Technical Memorandums
Appendix F Flood Risk Management and Levee Improvements Technical Memorandums
Appendix G Geotechnical and Soil Considerations Technical Memorandums
Appendix H System Wide Utilities Technical Memorandums
Appendix I Post Construction Land Reclamation and Efforts to Minimize Delta Community Effects Technical Memorandums
Appendix J Information for 2023 Final EIR Air Quality and Traffic Analyses for the Delta Conveyance Project Technical Memorandum
Appendix K Preliminary Construction Schedules
Volume 2
Engineering Concept Drawings
Volume 3
Mapbooks
Please note that the DCA provided the EPRs as a reference document to the Department of Water Resources (DWR) for the Delta Conveyance Project Environmental Impact Report (EIR). To learn more about the Delta Conveyance Project or view the EIR, please visit https://www.deltaconveyanceproject.com.
Central and Eastern Corridor Options
EPR Update – November 2023
Volume 1
Narrative Report
Technical Memoranda
002 CE-A Intake Structural Configuration and Fish Screen Type Analysis
003 CE-A Intake Flood Management
004 CE-A Existing Surface Water Diversions – Intakes
005 CE-A Sacramento River Flood Flow Hydraulic Modeling – HEC-RAS 2D
006 CE-A River Hydrologic Criteria for Intake Sizing
007 CE-A Intakes Screen Sizing – North Delta Intakes
008 CE-A Intakes River Sediment Analysis – North Delta Intakes
009 CE-A Conceptual Intake Cofferdam Construction
010 CE-A Intakes Operations and Maintenance Equipment and Facility Needs
011 CE-A Intake Site Identification and Evaluation
012 CE-A North Delta Intake Facilities Configuration, Construction and Operations
013 CE-A Sacramento River Hydraulic Modeling—HEC-RAS 2D to Support Aquatics Effects Analysis
014 CE-B Shaft Conceptual Design
015 CE-B Tunnel Excavation and Drive Assessment
016 CE-B Soil Abrasivity Testing Summary
017 CE-B Shaft Siting Study
018 CE-B Capacity Analysis for Preliminary Tunnel Diameter Selection
019 CE-B Conceptual Tunnel Lining Evaluation
020 CE-B Tunnel Gravity Flow Capacity Analysis
021 CE-B Tunneling Effects Assessment
022 CE-B Reusable Tunnel Material
023 CE-B Tunnel Inspection and Maintenance Considerations
024 CE-B Tunnel Dewatering Pumping Facilities
025 CE-C South Delta Pumping Plant Basis of Conceptual Design Criteria
026 CE-C South Delta Pumping Plant Facilities and Site Configuration
027 CE-C Main Raw Water Pump Selection, Adjustable Operating Speed Requirements and Redundancy
028 CE-D Southern Forebay Siting Analysis
029 CE-D Forebay Conceptual Design Criteria
030 CE-D Southern Forebay Seismic Sensitivity Evaluation
031 CE-D Southern Forebay Conceptual Configuration
032 CE-D Southern Forebay Emergency Spillway Siting Analysis
033 CE-D Southern Forebay Emergency Outlet Evaluation
034 CE-E South Delta Conveyance Facilities Canal and Tunnel Options Summary Comparison
035 CE-E South Delta Conveyance Facilities System Configuration
036 CE-E South Delta Conveyance Facilities Hydraulic Analysis Criteria and Analyses
037 CE-E South Delta Conveyance Facilities Operations & Maintenance Equipment and Facility Needs
038 CE-E Delta-Mendota Canal Connection – Tunnel and Canal Options Summary Comparison
039 CE-F Logistics Strategy
040 CE-F Potential Road Access Routes
041 CE-F Traffic Impact Analysis
042 CE-F Barge Transportation Study
043 CE-F Rail Potential Study
044 CE-F Preliminary Precast Yard Study
045 CE-F Project Emergency Response Plan
046 CE-G Electrical Power Load and Routing Study
047 CE-G SCADA/Communications Routing and Basic Design Approach
048 CE-G Summary of Utility Crossings
049 CE-H Levee Vulnerability Assessment
050 CE-H Flood Risk Management
051 CE-H Hydraulic Analysis Criteria
052 CE-H Hydraulic Analysis of Delta Conveyance Alternatives-Main Tunnel System
053 CE-H Conceptual-Level Seismic Design and Geohazard Evaluation Criteria
054 CE-H West Tracy Fault Preliminary Displacement Hazard Analysis
055 CE-H Liquefaction and Ground Improvement Analysis
056 CE-H Dewatering Estimates for Intake Facilities and Southern Forebay Emergency Spillway
057 CE-H Soil Balance
058 CE-H Preliminary Construction Schedules for Central and Eastern Corridor Options
059 CE-H Post-Construction Land Reclamation
060 CE-H Potential Future Field Investigations – Central and Eastern Corridor
061 CE-H Conceptual Design Phase Seismic Site Response Analysis
062 CE-H Efforts to Minimize Delta Community Effects – Central and Eastern Corridors
Volume 2
Engineering Concept Drawings
Volume 3
Mapbooks
072 Central Mapbook– 6000 cfs Design Capacity with Vertical Flat Plate Fish Screens
073 Central Mapbook– 6000 cfs Design Capacity with Cylindrical Tee Fish Screens
074 Eastern Mapbook– 6000 cfs Design Capacity with Vertical Flat Plate Fish Screens
075 Eastern Mapbook– 6000 cfs Design Capacity with Cylindrical Tee Fish Screens
076 Central Mapbook– 3000 cfs Design Capacity with Vertical Flat Plate Fish Screens
077 Central Mapbook– 3000 cfs Design Capacity with Cylindrical Tee Fish Screens
078 Eastern Mapbook– 3000 cfs Design Capacity with Vertical Flat Plate Fish Screens
079 Eastern Mapbook– 3000 cfs Design Capacity with Cylindrical Tee Fish Screens
080 Central Mapbook– 4500 cfs Design Capacity with Vertical Flat Plate Fish Screens
081 Central Mapbook– 4500 cfs Design Capacity with Cylindrical Tee Fish Screens
082 Eastern Mapbook– 4500 cfs Design Capacity with Vertical Flat Plate Fish Screens
083 Eastern Mapbook– 4500 cfs Design Capacity with Cylindrical Tee Fish Screens
084 Central Mapbook– 7500 cfs Design Capacity with Vertical Flat Plate Fish Screens
085 Central Mapbook– 7500 cfs Design Capacity with Cylindrical Tee Fish Screens
086 Eastern Mapbook– 7500 cfs Design Capacity with Vertical Flat Plate Fish Screens
087 Eastern Mapbook– 7500 cfs Design Capacity with Cylindrical Tee Fish Screens
088 Central Mapbook– Power
089 Eastern Mapbook– Power
090 Central Mapbook– SCADA
091 Eastern Mapbook– SCADA
Bethany Reservoir Alternative
EPR Update – November 2023
Volume 1
Narrative Report
Technical Memoranda
002 B Supplementary Tunnel Information – Bethany Reservoir Alternative
003 B Hydraulic Analysis of Delta Conveyance Options – Bethany Reservoir Alternative
004 B Soil Balance and Reusable Tunnel Material Supplement – Bethany Reservoir Alternative
005 B Bethany Reservoir Pumping Plant Facilities and Site Configuration
006 B Bethany Reservoir Aqueduct Surge Protection Alternatives – Bethany Reservoir Alternative
007 B Conceptual Development of Aqueduct and Discharge Structure
008 B Facilities Siting Study – Bethany Reservoir Alternative
009 B Levee Vulnerability Assessment and Flood Risk Management Supplement – Bethany Reservoir Alternative
010 B Logistics Strategy – Bethany Reservoir Alternative
011 B Project Emergency Response Plan – Bethany Reservoir Alternative
012 B Electrical Power Load and Routing Study – Bethany Reservoir Alternative
013 B SCADA/Communications Routing and Basic Design Approach – Bethany Reservoir Alternative
014 B Potential Future Field Investigations – Bethany Reservoir Alternative
015 B Liquefaction and Ground Improvement Analysis for Bethany Reservoir Alternative
016 B Post-Construction Land Reclamation Supplement – Bethany Reservoir Alternative
017 B Preliminary Construction Schedules for Bethany Reservoir Alternative
018 B Summary of Utility Crossings – Bethany Reservoir Alternative
019 B Efforts to Minimize Delta Community Effects – Bethany Reservoir Alternative
Volume 2
Engineering Concept Drawings
Volume 3
Mapbooks
028 Bethany Mapbook– 6000 cfs Design Capacity with Vertical Flat Plate Fish Screens
029 Bethany Mapbook– 6000 cfs Design Capacity with Cylindrical Tee Fish Screens
030 Bethany Mapbook– 3000 cfs Design Capacity with Vertical Flat Plate Fish Screens
031 Bethany Mapbook– 3000 cfs Design Capacity with Cylindrical Tee Fish Screens
032 Bethany Mapbook– 4500 cfs Design Capacity with Vertical Flat Plate Fish Screens
033 Bethany Mapbook– 4500 cfs Design Capacity with Cylindrical Tee Fish Screens
034 Bethany Mapbook– 7500 cfs Design Capacity with Vertical Flat Plate Fish Screens
035 Bethany Mapbook– 7500 cfs Design Capacity with Cylindrical Tee Fish Screens
036 Bethany Mapbook– Power
037 Bethany Mapbook– SCADA
Please note that the DCA has provided the EPRs as a reference document to the Department of Water Resources (DWR) for the Delta Conveyance Project Environmental Impact Report (EIR).
SEC DOCUMENTS
Stakeholder Engagement (SEC) Meetings
February 3, 2021
January 27, 2021
February 26, 2020
Delta area public libraries are a continuous resource for the Delta community at large. Understanding limits of broadband and computer access in the region, DCA has provided area libraries (see list below) with the following resources in print and on flash drives: Final EIR, updated Mapbooks, Stakeholder Engagement Committee (SEC) agendas and materials, Delta Conveyance materials, including deep-dive educational videos, virtual tours, and other materials related to the project from the Department of Water Resources (DWR) and DCA. Librarians have been briefed on these resources and materials and can help any visitor access information as related to the proposed project.
Contra Costa County Library ccclib.org
- Pittsburg Library, 80 Power Ave, Pittsburg, CA 94565
- Antioch Library, 501 W. 18th St., Antioch, CA 94509
- Brentwood Library, 104 Oak St., Brentwood, CA 94513
- Bay Point Library, 205 Pacifica Ave., Bay Point, CA 94565 (Riverview Middle School)
- Oakley Library, 1050 Neroly Rd., Oakley, CA 94561
Sacramento Public Library saclibrary.org
- Central Library, 828 I Street, Sacramento, CA 95814
- Galt Marion O. Laurence Library, 1000 Croline Ave., Galt, CA 95632
- Nonie Wetzel Courtland Library, 170 Primasing Ave., Courtland, CA 95615
- Walnut Grove Library, 14177 Market St., Walnut Grove, CA 95690
- Isleton Library, 412 Union St., Isleton, CA 95641
Stockton-San Joaquin County www.ssjcpl.org
- Thornton Library, 26341 Thornton Rd., Thornton, CA 95686
- Tracy Branch Library, 20 E. Eaton Ave., Tracy, CA 95376
- Mountain House Branch Library, 201 East Main St., Mountain House, CA 95391
- Cesar Chavez Central Library, (605 N. El Dorado St., Stockton, CA 95202
- Troke Library, 502 W. Benjamin Holt Dr., Stockton, CA 95207
- Maya Angelou Branch Library, 2324 Pock Ln., Stockton, CA 95205
Solano County solanolibrary.com
17. Rio Vista Branch Library, 44 South Second St., Rio Vista, CA 94571
18. Suisun City Library, 601 Pintail Dr. Suisun City, CA 94585
Yolo County https://yolocountylibrary.org
- Clarksburg Branch Library, 52915 Netherlands Ave., Clarksburg, CA 95612
- Arthur F. Turner Library, 1212 Mekley Ave., West Sacramento, CA 95691
DCFA Board Meetings
July 17, 2025
June 19, 2025
May 22, 2025
May 21, 2025
April 17, 2025
March 20, 2025
February 20, 2025
January 16, 2025
December 19, 2024
November 21, 2024
October 17, 2024
September 19, 2024
August 15, 2024
July 18, 2024
June 20, 2024
May 16, 2024
April 18, 2024
March 21, 2024
January 18, 2024
December 21, 2023
November 16, 2023
October 19, 2023
September 21, 2023
July 20, 2023
June 15, 2023
May 18, 2023
April 20, 2023
March 16, 2023
February 16, 2023
December 15, 2022
November 17, 2022
October 20, 2022
September 15, 2022
July 21, 2022
June 16, 2022
April 21, 2022
March 17, 2022
October 21, 2021
September 16, 2021
July 15, 2021
June 17, 2021
May 20, 2021
March 18, 2021
February 15, 2021
January 21, 2021
December 17, 2020
November 19, 2020
October 15, 2020
August 20, 2020
July 16, 2020
June 18, 2020
May 21, 2020
April 16, 2020
March 19, 2020
February 20, 2020
January 16, 2020
December 19, 2019
November 21, 2019
October 17, 2019
September 19, 2019
August 15, 2019
June 20, 2019
May 16, 2019
May 9, 2019
April 18, 2019
March 21, 2019
February 21, 2019