San Diego County Water Authority
The Water Authority is an independent public agency that serves as San Diego County's regional water wholesaler. It is not part of either the city or county of San Diego governments. The mission of the San Diego County Water Authority is to provide a safe and reliable supply of water to its 24 member agencies serving the San Diego region's $186 billion economy and its 3.1 million residents.
The Water Authority was formed in 1944 for the purpose of importing water to the region. At the time of its formation, the Water Authority supplemented local supplies with imported water. The Water Authority is a public agency under the state County Water Authority Act Chapter 45, section 2.

Contact San Diego County Water Authority

Maureen Stapleton
General Manager
4677 Overland Avenue
San Diego, California  92123
Phone: (858) 522-6600
Fax: (858) 522-6568


Service Area

Services provided in:
  • San Diego County, California