In response to the California drought and rising water costs, Residential & Dining Enterprises Student Housing replaced all of its irrigation equipment with more efficient models across 57 acres of landscape. It replaced over 20,000 spray heads, rotors, and flow sensors, and installed 89 new weather-based irrigation controllers that are centrally controlled, receiving real-time water use data. The project is expected to save 33 million gallons of water per year, a 46% reduction in irrigation water use. It received approximately $360,000 in rebates from partners at the Santa Clara Valley Water District and Stanford Utilities.

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https://rde.stanford.edu/studenthousing/sustainable-living