Bay-Delta Office

Bay-Delta Office

The Bay-Delta Office coordinates the legal and regulatory compliance requirements associated with the Central Valley Project, provides biological support for water operations, implements many of the fish and wildlife project purposes, and supports water supply development, in partnership with other Reclamation offices, agencies, stakeholders, interested parties, and the public.

2021 Reinitiation of Consultation of the Long-Term Operation of the Central Valley Project and State Water Project

On Nov. 15, 2024, Reclamation released the final Environmental Impact Statement for the Long-Term Operation of the Central Valley Project and State Water Project. The document analyzes five alternatives reflecting a reasonable range of options for the operation of dams, powerplants, and related facilities of the Central Valley Project and Delta facilities of the State Water Project. The draft Environmental Impact Statement was distributed in July 2024 followed by six public meetings. More than 1,000 comments were received and responded to as part of the final Environmental Impact Statement. Reclamation expects to finalize the new operating plan with a record of decision on Dec. 20,2024. 

The final environmental impact statement is available at https://www.usbr.gov/mp/nepa/nepa_project_details.php?Project_ID=54661

WIIN Act Quarterly Update Meeting

On Tuesday, July 28, 2026, Reclamation held a quarterly meeting to provide an update on the Long-Term Operation of the Central Valley Project and State Water Project, pursuant to the Water Infrastructure Improvements for the Nation Act. Slides from the meeting can be found below.

• Quarterly WIIN Act Meeting, July 28, 2026
• Quarterly WIIN Act Meeting, December 9, 2025 (PDF - 1.8 MB)

Bay Delta Office Open House

In April 2026, Reclamation held an open house to inform interested groups on all the actions, responsibilities, and scientific efforts happening within the Bay Delt Office. The open house encouraged discussion opportunities between Reclamation staff and interested groups to better understand BDO's involvement in the Central Valley. Slides from the meeting can be found in the PDFs below.

• Day 1 Morning Session
• Day 1 Afternoon Session

• CALFED Annual Review - FY 2024 (PDF - 3.4 MB)
• Building a defense against extinction
• Central Valley Project Water Temperature Modeling Platform
• Tag, you’re it! Reclamation supports cooperative effort to track Central Valley steelhead  
• Returning a piece of the Delta to nature’s blueprint  
• Reclamation, key partners build a haven for iconic fish species  
• Making a major river corridor more fish-friendly  
• Building a defense against extinction  

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