San Diego County Water Authority
Wholesale Water Supplier overview
FormedJune 1944 (1944-06)
HeadquartersKearny Mesa, San Diego
Websitewww.sdcwa.org

San Diego County Water Authority (SDCWA) is a wholesale supplier of water to the roughly western third of San Diego County, California. The Water Authority was formed in 1944 by the California State Legislature. SDCWA serves 24 member agencies with 36 Board of Director members.[1] In addition to local water sources, water is imported from the Colorado River and Sacramento-San Joaquin River Delta through The Metropolitan Water District of Southern California.[2][3] SDCWA is the sole recipient of fresh water produced by the Claude "Bud" Lewis Carlsbad Desalination Plant.

History

Spanish missionaries in the San Diego area in 1769 noticed that the local water supply was in need of infrastructure, such as dams and aqueducts, to increase supply to the area.[4] One of the first water projects in San Diego was the Old Mission Dam which preceded the erection of six privately funded dams between 1887 and 1897, all of which are still exist today.[4] Through an act of California state legislation, the San Diego County water authority was created in 1944 to oversee San Diego County’s water rights over the Colorado River.[5] In 1952 San Diego started receiving water from the State Water Project from pipelines built by SDCWA.[4] The Capital Improvement Program (CIP) was created in 1989 to lower the need for imported water to the region.[6] In 2003 the Quantification Settlement Agreement was signed with the Imperial Irrigation District, the single largest user of the Colorado River in Southern California. SDCWA funded repairs to leaky canals which included lining canals with concrete.[7] For 110 years, the water district will receive 80,000 acre-feet (99 million cubic meters) of water via this agreement.[4] In 2015 SDCWA started supplementing their supply with water from the desalination plant in Carlsbad.[8] By 2035 it is projected that local water will meet the region's water demands.[6]

Water sources

San Diego County Water Authority supplies its members both imported and local water resources. Imported water used by SDCWA comes from the Sacramento-San Joaquin rivers through State Water Project aqueducts , and from the Colorado River (through the Colorado River Aqueduct).[9] California is one of seven states which receive water from The Colorado River.[10] Around 17% of the water supplied through SDCWA comes from the State Water Project.[4] Local sources from the Metropolitan Water District include recycled water, groundwater pumping, and desalinated water from the Carlsbad Desalination Plant.[11] The Carlsbad desalination plant can supply up to 56,000 acre-feet (69 million cubic metres) of water.[12] The rates are among the highest in Southern California.[13]

Governance

Members served by SDCWA include cities, water districts, irrigation districts, municipal water districts, public utility districts, and a military base.

The Water Authority was formed in 1944 by the California State Legislature and operates under the County Water Authority Act,[14] which can be found in the California State Water Code.[15] SDCWA head quarters are located in Kearny Mesa. Current leadership includes Jim Madaffer (Chair), Gary Crocher (Vice Chair), and Christy Guerin (Secretary).[16]

The following agencies purchase water from the Water Authority:[17]

Current Projects

SDCWA officials are currently working at the state and federal level to maintain the latest knowledge of legislative decisions affecting San Diego's water supply. The Capital Improvement Program (CIP) has been an ongoing project since 1989 and works to establish infrastructure to support regional water needs. A current project of CIP is the $1.5 billion Emergency and Carryover Storage Project which is a fail-safe plan in case of a lapse in imported water supply. The Emergency and Carryover Storage Project consists of dams, reservoirs, pipelines, and pumping stations to ensure continued supply to the region. In efforts to supplement imported water supply, SDCWA helped to facilitate the opening of the Claude "Bud" Lewis Carlsbad Desalination Plant in 2015. Currently the largest desalination plant world wide, producing 50 million gallons of water every day. In January 2020, the 2020 Urban Water Management Plan was developed with 6 elements outlining future forecast, savings, supply and reliability, and planning and shortage analysis in the region that SDCWA manages.

Consumer Programs

SDCWA has water saving incentive programs for both residential and commercial consumers.

Residential Programs

Residential programs include water saving tips for both indoor and outdoor uses, as well as gardening demonstrations. Residential incentives include rebates for high-efficiency washers and toilets for indoor use, and rebates on sprinkler nozzles, rain barrels, and turf replacement for outdoor water use.[18]

Business Programs

For businesses, the SDCWA has incentives including both indoor and outdoor water efficiency rebates and programs including their community partnering program run through the Metropolitan Water Districts Innovative Conservation Program (ICP).[19] ICP does work to evaluate water saving technology and their efficiencies. The ICP provides funding with the help of the U.S. Bureau of Reclamation (USBR), Environmental Protection Agency (EPA), Southern Nevada Water Authority (SNWA), the Central Arizona Project (CAP), the Southern California Gas Company, and Western Resource Advocates.[20]

Contractor Programs

For contractors the SDCWA has a WaterSmart Contractor Incentive Program (WSCIP), where participants can purchase water saving devices to use in their watering systems.[21]

Educational Programs

SDCWA also runs water conservation programs in both educational and practical applications.[22]

References

  1. ↑ "New Directors Join San Diego County Water Authority Board". Association of California Water Agencies. February 19, 2019. Retrieved April 17, 2020.
  2. ↑ "Member Agencies Home". www.mwdh2o.com. Retrieved April 17, 2020.
  3. ↑ "Imported Water Supplies". San Diego County Water Authority. Retrieved April 25, 2022.
  4. 1 2 3 4 5 "San Diego County Water Authority History". SDCWA. Retrieved April 25, 2020.
  5. ↑ "MS 302 San Diego County Water Authority Collection". San Diego History Center | San Diego, CA | Our City, Our Story. Retrieved May 7, 2020.
  6. 1 2 "San Diego County Water Authority Construction Projects". SDCWA.ORG. Retrieved April 25, 2020.
  7. ↑ Naishadham, Suman (May 29, 2022). "How San Diego secured its water supply, at a cost". AP News. Retrieved June 1, 2022.
  8. ↑ "About Us". San Diego County Water Authority. Retrieved April 10, 2020.
  9. ↑ "Sources Of Supply Imported". www.mwdh2o.com. Retrieved May 7, 2020.
  10. ↑ "MS 302 San Diego County Water Authority Collection". San Diego History Center | San Diego, CA | Our City, Our Story. Retrieved April 17, 2020.
  11. ↑ "Local Supplies Home". www.mwdh2o.com. Retrieved May 7, 2020.
  12. ↑ Kightlinger, J., Man, D., & Record, R. (January 1, 2016). "Integrated Water Resource Plan: 2015 Update" (PDF). Retrieved April 25, 2020.{{cite web}}: CS1 maint: multiple names: authors list (link)
  13. ↑ Smith, Joshua Emerson (June 4, 2022). "How stable is San Diego's supply of Colorado River water?". Los Angeles Times. Retrieved June 7, 2022.
  14. ↑ "County Water Authority Act (as of January 1, 2010)" (PDF). San Diego County Water Authority. Retrieved March 24, 2015.
  15. ↑ "Water Code - WAT". California Legislative Information. Retrieved March 24, 2015.
  16. ↑ "Biographies". SDCWA. Retrieved April 17, 2020.
  17. ↑ "Member Agencies". San Diego County Water Authority. Retrieved April 25, 2020.
  18. ↑ "Home". San Diego County Water Authority. Retrieved May 8, 2020.
  19. ↑ "Community Outreach Home". www.mwdh2o.com. Retrieved May 8, 2020.
  20. ↑ "Programs & Services". San Diego County Water Authority. Retrieved May 8, 2020.
  21. ↑ "Landing Page | Sandiego". www.sdwatersmartcip.com. Retrieved May 8, 2020.
  22. ↑ "MS 302 San Diego County Water Authority Collection". San Diego History Center. Retrieved April 17, 2020.
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