Delta Conveyance Design and Construction Authority

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Delta Conveyance Design and Construction Authority

DCA was formed, under DWR's oversight, to design and implement a safe, reliable conveyance system

05/29/2026

The DCA Document Library now has improved search and browsing tools to help you find meeting materials, reports, and other project information.

👉Explore the library: https://dcdca.org/info-center/document-library/

05/26/2026

The Bethany Complex connects the Delta Conveyance Project to the California Aqueduct.

After traveling 45 miles underground, water will arrive here before moving into the State Water Project system.

Learn more about the Bethany Complex: https://dcdca.org/download/bethany-complex-fact-sheet/

05/05/2026

The Sacramento–San Joaquin Delta is the hub of California’s water delivery system.

Water moves through the Delta to reach communities, farms, and businesses across the state.

The Delta Conveyance Project is designed to help strengthen this critical part of California’s water system.

04/30/2026

California’s water system faces growing challenges.

🌊 Sea-level rise
🌎 Earthquake risk
💧 Changing hydrology

These factors increase the potential for water supply disruptions. The Delta Conveyance Project is designed to improve system flexibility and resilience by capturing more water during high-flow periods for use in drier times.

04/15/2026

DCA Executive Director Graham Bradner recently authored an op-ed explaining how the Delta Conveyance Project cost estimate was developed, what it includes, and how it will be refined as engineering advances. The piece reflects DCA's commitment to transparency as the project moves through each stage of design.

Read more: https://mavensnotebook.com/2026/04/03/commentary-how-the-delta-conveyance-project-is-being-designed-with-sound-engineering-and-transparency/

04/07/2026

The Delta Conveyance Project is designed to strengthen California’s water system with modern infrastructure built for long-term reliability and resilience.

From a 45-mile underground tunnel to North Delta intakes designed to capture up to 6,000 cubic feet per second during high-flow events, each element plays a role in improving how water is conveyed while reducing surface impacts.

03/31/2026

Bethany Reservoir is the starting point of the State Water Project’s California Aqueduct.

The Delta Conveyance Project (DCP) will include the Bethany Complex, designed to pump water from the DCP to the Bethany Reservoir Pumping Plant. From there, water will be lifted into Bethany Reservoir, where it enters the California Aqueduct for delivery across California.

Learn more:https://dcdca.org/wp-content/uploads/2023/11/DCA-Bethany-Complex-Fact-Sheet.pdf

03/24/2026

More stable State Water Project deliveries help local water agencies reduce the severity and frequency of water shortages, fill reservoirs more often and enter droughts with higher reserves.

The Delta Conveyance Project is designed to strengthen SWP reliability so communities and farms can plan with more confidence, in wet years and dry ones.

03/10/2026

California’s Water Year began October 1, 2025 and if the Delta Conveyance Project were operational, more than 348,000 acre-feet could have already been captured this year. 💧

That’s enough water to supply over 1.2 million California households for a year.

Source: Department of Water Resources, water.ca.gov/deltaconveyance

02/24/2026

Translated versions of DCA's Cost Efficiency and Reducing Impacts fact sheets are now available on our website.

📄 Available in English, Chinese, and Spanish.

➡️Access the fact sheets: https://dcdca.org/info-center/document-library/

Address

980 9th Street
Sacramento, CA

Telephone

+18888538486

Website

http://dcdca.org/

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