Construction Updates

Carlsbad Desalination Construction Project

In December 2012, Poseidon Water finalized a 30-year water agreement with the San Diego County Water Authority for the purchase of 50 million gallons per day of desalinated seawater and secured financing for the Project. The water will be produced at the desalination plant being built in Carlsbad and conveyed to the San Diego County Water Authority’s water system via a 10-mile pipeline.

Poseidon Water has contracted with a joint venture of Kiewit Infrastructure West and J.F. Shea Construction, Inc., to design and build the desalination plant and pipeline. IDE Technologies, Ltd., a world leader in desalination technology and operations, will engineer the desalination plant’s design and equipment and handle plant operations.

Construction on the plant began in late 2012 and pipeline construction began in spring of 2013. Pipeline installation is currently underway in Carlsbad and Vista. In San Marcos, construction is nearing completion as crews are working to restore and repave streets where pipeline installation occurred. To keep the public informed about the progress of construction, Poseidon Water will provide regular construction updates on this website related to timing and potential detours and closures. Poseidon Water will work to minimize impacts to nearby businesses, residents, and commuters during construction. We appreciate your patience during this vital water supply project.

Construction Schedules

To learn more about the timeline or construction of the Carlsbad Desalination Project, view the Desalination Plant Updates Page or Pipeline Construction Updates page or get in touch with the Project team online or by phone at 877-752-3152.

Latest News

  • Crews Continue Pipeline Work in Carlsbad and Vista; Restorations in San Marcos

    June 20, 2014

    Carlsbad Desalination Project construction crews continue to make progress on pipeline installation in the cities of Carlsbad and Vista. After hitting the 50 percent mark last month, crews are setting record pace, installing four pieces of pipe per day. For a brief update on the crews’ progress to bring the largest, most technologically advanced and energy-efficient seawater desalination plant in the Western Hemisphere online, read more.

  • Pipeline Progress in Three Cities

    April 24, 2014

    Construction on the Carlsbad Desalination Project is well underway in Carlsbad and Vista. Meanwhile, pipeline installation has been completed in San Marcos and construction crews are working to restore and repave streets where construction occurred. Read more.

  • Construction Work in Carlsbad Coming Soon

    Construction on the desalination pipeline is scheduled to begin in Carlsbad in May. Pipeline work began in San Marcos at the San Diego County Water Authority’s Second Aqueduct connection facility and will travel through San Marcos, Vista and Carlsbad to connect to the desalination plant located in Carlsbad, west of Interstate 5. Read more...   

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