Otay Water Treatment Plant Upgrade Project

Project Description

The Otay Water Treatment Plant (WTP) supplies one of the City of San Diego's three major water service areas, providing up to 34 million gallons per day of potable water to customers primarily in the southern reaches of the City. The treatment plant gets its water from the Morena, Barrett and Lower Otay Reservoirs.

Construction Start: Spring 2003

Construction Complete: Spring 2009

Project Benefits

• Increased capacity and reliability to meet current and future water needs.
• Meet or exceed new, stricter water quality regulations.
• State-of-the-art facility.

Project Need

• Recent changes in federal and state drinking water regulations require that treatment plants meet new regulations.
• In response to California Department of Health Services Compliance Order No. 04-14-96-022 (PDF: 8.95Mb) issued in 1997.

If you are interested in learning more about this project, please e-mail us at engineering@sandiego.gov.