In Q1 of 2018, average daily residential water use ranged from 48 to 263 gallons per capita. Residents in the Santa Fe Irrigation District have used the most water per capita in the region since urban water suppliers started reporting this data to the state in Q3 of 2014.
Note: Dataset excludes the City of Del Mar, Camp Pendleton Marine Corps Base, the City of National City, South Bay Irrigation District and the Yuima Municipal Water District.
Data Source: State Water Resources Control Board, Urban Water Supplier Report, 2018
Data Source: San Diego County Water Authority, 2018
Data Source: San Diego County Water Authority, 2017
In 2017, the county average for municipal and industrial daily water use per capita was 116 gallons, which is five gallons more per day than in 2016. Municipal and industrial water use includes potable water consumption for residential, business and institutional uses, excluding water used under the Water Authority’s Transitional Special Agricultural Water Rate program.
Note: *Includes non-certified agricultural water use and/or agricultural water use served by local water. Yuima M.W.D. increase in municipal and industrial GPCD from the 2016 Dashboard is due to the inclusion of mutual water districts’ local groundwater water use within Yuima’s service area.
Change in Estimated Municipal & Industrial Daily Potable Water Use per Capita
(FY 2016 - FY 2017)
From 2016 to 2017, the City of Oceanside and Rainbow Municipal Water District experienced a decrease in potable municipal and industrial daily per capita water use. The Santa Fe Irrigation District and Valley Center Municipal Water District had the greatest increases at over 10%.
Data Source: San Diego County Water Authority, 2018