The Delta Conveyance Design & Construction Authority (DCA) is a joint powers authority formed by sixteen California public water agencies to support the planning, design, and […]

The Delta Conveyance Design & Construction Authority (DCA) is building a modern water conveyance project that prioritizes cost control and fiscal accountability. As a Joint Powers […]

The Delta Conveyance Project (Project) is a state-of-the-art upgrade to California’s water infrastructure, designed to deliver clean water to millions of residents across the state. Engineered […]

The construction of an approximately 45-mile main tunnel and its supporting facilities first starts with understanding the soil conditions. Soil testing is important to refining the […]

A strategically located set of facilities pumps water from the Delta Conveyance Project tunnel after its 45-mile journey to the Bethany Reservoir Pumping Plant. From there, […]

Using a team of world-class engineers with decades of tunneling experience, the Delta Conveyance Design & Construction Authority (DCA), working at the direction of the Department […]

The Sacramento-San Joaquin Delta is in the eastern part of the San Francisco Bay Area, one of the most seismically active areas in the United States. […]

Piles are a common construction material for major infrastructure. Driving piles into place through traditional impact driving can create considerable noise. The Delta Conveyance Design and […]

Modernizing the State Water Project requires construction activity in parts of the northern Sacramento-San Joaquin Delta. Construction activities for this type of project necessarily require the […]

Launch shaft sites are the largest land footprints of the Delta Conveyance Project given the acreage it takes to place tunnel boring machines into the ground, […]