Environment

Is California water use increasing?

Produced by Aaron Mendelson & Chris Keller | Updated Sept. 7, 2016

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About the data: These charts show the daily per capita residential water use rate in California as calculated by the State Water Resources Control Board. The charts cover the May 2017 reporting period, and are compared to the previous month unless specified. Since the per capita measure (which reflects gallons of water used per resident per day) does not take into account rainfall, temperature, humidity and population density, the State Water Resources Control Board discourages comparisons between water suppliers.

Colorado River

Daily per capita residential water use increased in May 2017 to an average of 170.35 gallons for the 13 agencies in the Colorado River hydrologic region. That number is compared to the April 2017 daily per capita residential water use of 162.77. Use the chart below to see how the 13 agencies in this region performed. Click here to see enforcement statistics for water agencies in this region.

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