Pipeline Overview

The Carlsbad Desalination conveyance pipeline is a 10-mile, 54-inch water delivery pipeline travels eastward from the seawater desalination plant through Carlsbad, Vista and San Marcos to the San Diego County Water Authority’s Second Aqueduct connection facility in San Marcos. Construction on the desalination plant began in late 2012, while construction on the pipeline began in spring 2013. Pipeline installation was completed June 2015.