2000 Water Supply Portfolio

2010 Water Supply Portfolio

2014 Water Supply Portfolio

2020 Water Supply Portfolio

South Bay Water Reclamation Plant (SBWRP)

The District has an agreement with the City of San Diego to purchase up to 6 MGD of recycled water from the City’s SBWRP and has also acquired the right to purchase supply from the SBWRP that exceeds 6 MGD, if San Diego has available supply.

Ralph W. Chapman Water Recycling Facility (RWCWRF)

The District operates the Ralph W. Chapman Water Recycling Facility in Rancho San Diego, which produces approximately 1.1 million gallons per day (MGD) of recycled water.

San Diego County Water Authority (SDCWA)

The District purchases water from SDCWA, a public agency that operates as a wholesale water supplier in San Diego County. Much of this water is in turn purchased from the Los Angeles-based Metropolitan Water District of Southern California (MWD), another public agency that imports water from both Northern California (through the State Water Project) and the Colorado River.


The Rosarito Desalination Project is comprised of a 100 million gallons per day seawater reverse osmosis desalination plant, together with a pump station and pipeline, this project will convey water to Tijuana and to the District. This will be the first cross-border water supply project of its kind. If successful, this project will start delivering water to District customers by early 2018.

Senate Bill X 7-7 (SBX 7-7)

SBX 7-7 (Water Conservation Bill) was enacted in November 2009, requiring all water suppliers to increase water use efficiency.