https://www.mercurynews.com/2021/09/08/california-drought-which-cities-in-santa-clara-county-are-saving-the-most-and-the-least-water/

The Santa Clara Valley Water District, which is the main wholesale water provider in Santa Clara County, on June 9 declared a drought emergency and called on all residents to reduce water use 15% from 2019 levels to preserve supplies.

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But in July, the most recent month for which data is available, countywide water use was down just 6%.