Sweetwater Authority provides safe, reliable water service (since 1977) to approximately 180,000 people in National City, Bonita and the western and central portions of Chula Vista, California.

Sweetwater Authority owns and operates Loveland Reservoir, Sweetwater Reservoir, a brackish groundwater desalination facility and deep freshwater wells. Water obtained in each of these areas is influenced by the 230-square-mile Sweetwater River Watershed, a land stretching from the Cleveland National Forest to San Diego Bay.

reservoir information

Loveland Reservoir reached capacity on Sunday, April 10 and is spilling slightly. Sweetwater Reservoir is about 80 percent full, and is not expected to reach capacity at this time. Check here for the latest reservoir conditions or call (619) 420-1413.

FAQ's about reservoir spills

Annual Water Quality Report 200 6

Sweetwater Authority service area

Future Perdue Water Treatment Facilities
The Draft Environmental Impact Report (DEIR) for the Robert A. Perdue Water Treatment Plant Master Plan for Future Facilities Report is now available for review. To access PDF files, please click here.

Sweetwater Authority Boundaries
Gross land area (sq. miles): 41
Loveland reservoir: 5.1
Service area: 32
San Diego Bay: 3.7
City of San Diego: 0.2