Our Members
24 Retail Member Agencies Serve the Region
The San Diego County Water Authority provides a safe and reliable supply of water to its member agencies serving 3.3 million people and a $268 billion regional economy. When formed on June 9, 1944, the Water Authority served nine agencies. Today, 24 member agencies deliver water across the metropolitan San Diego region.
The Water Authority’s member agencies include:
- 6 cities
- 5 water districts
- 3 irrigation districts
- 8 municipal water districts
- 1 public utility district
- 1 federal agency (military base)
Member agencies are represented on a 36-member Water Authority Board of Directors. A member of the San Diego County Board of Supervisors also serves as a non-voting representative to the Water Authority Board.
Member Agency Map
Click on the map for contact information. To learn which agency serves a specific address, go to Find My Water District.
Camp Pendleton Marine Corps Base
Division: Water Resources, AC/S Facilities
Address: Marine Base Camp Pendleton, CA 92055
Phone: (760) 725-1061
Website: www.pendleton.marines.mil
Carlsbad Municipal Water District
Address: 5950 El Camino Real Carlsbad, CA 92008
Phone: (442) 339-2722
Website: www.carlsbadca.gov/water
Del Mar, City of
Address: 1050 Camino Del Mar Del Mar, CA 92014
Phone: (858) 755-9313
Website: www.delmar.ca.us
Escondido, City of
Address: 201 N. Broadway Escondido, CA 92025
Phone: (760) 839-4880
Website: www.escondido.org/utilities
Fallbrook Public Utility District
Address: 990 East Mission Rd Fallbrook, CA 92028
Phone: (760) 728-1125
Website: www.fpud.com
Helix Water District
Address: 7811 University Avenue La Mesa, CA 91941
Phone: (619) 466-0585
Website: www.hwd.com
Lakeside Water District
Address: 10375 Vine Street Lakeside, CA 92040
Phone: (619) 443-3805
Website: www.lakesidewater.org
National City, City of
Division: (Member of Sweetwater Authority)
Phone: (619) 420-1413
Website: www.sweetwater.org
Oceanside, City of
Address: 300 N Coast Hwy Oceanside, CA 92054
Phone: (760) 435-5800
Website: www.ci.oceanside.ca.us/gov/water
Olivenhain Municipal Water District
Address: 1966 Olivenhain Road Encinitas, CA 92024
Phone: (760) 753-6466
Website: www.olivenhain.com
Otay Water District
Address: 2554 Sweetwater Springs Blvd. Spring Valley, CA 91978
Phone: (619) 670-2222
Website: www.otaywater.gov
Padre Dam Municipal Water District
Address: P.O. Box 719003 Santee, CA 92072
Phone: (619) 448-3111
Website: www.padredam.org
Poway, City of
Division: Public Services Department
Address: P.O. Box 789 Poway CA 92074-0789
Phone: (858) 748-6600
Website: www.poway.org
Rainbow Municipal Water District
Address: 3707 Old Highway 395 Fallbrook, CA 92028-2500
Phone: (760) 728-1178
Website: www.rainbowmwd.com
Ramona Municipal Water District
Address: 105 Earlham Street Ramona, CA 92065
Phone: (760) 789-1330
Website: www.rmwd.org
Rincon del Diablo Municipal Water District
Address: 1920 N. Iris Lane Escondido, CA 92027
Phone: (760) 745-5522
Website: www.rinconwater.org
San Diego, City of
Division: Public Utilities Department
Address: 9192 Topaz Way, San Diego, CA 92123
Phone: (619) 515-3500
Website: www.sandiego.gov/public-utilities
San Dieguito Water District
Address: 160 Calle Magdalena Encinitas, CA 92024
Phone: (760) 633-2650
Website: www.sdwd.org
Santa Fe Irrigation District
Address: P.O. Box 409 Rancho Santa Fe, CA 92067
Phone: (858) 756-2424
Website: www.sfidwater.org
Sweetwater Authority/South Bay Irrigation District
Address: 505 Garrett Ave Chula Vista, CA 91910
Phone: (619) 420-1413
Website: www.sweetwater.org
Vallecitos Water District
Address: 201 Vallecitos de Oro San Marcos, CA 92069
Phone: (760) 744-0460
Website: www.vwd.org
Valley Center Municipal Water District
Address: P.O. Box 67 Valley Center, CA 92082
Phone: (760) 749-1600
Website: www.vcmwd.org
Vista Irrigation District
Address: 1391 Engineer St. Vista, CA 92081
Phone: (760) 597-3100
Website: www.vid-h2o.org
Yuima Municipal Water District
Address: P.O. Box 177 Pauma Valley, CA 92061
Phone: (760) 742-3704
Website: www.yuimamwd.com