Green IO

#62 Thirsty datacenters in the heart of Silicon Valley with Masheika Allgood

Aug 18, 2025
Masheika Allgood, a lawyer and tech activist from Santa Clara, dives deep into Silicon Valley's staggering data center water usage. She reveals that Google’s water consumption recently surged by 28%. The conversation touches on innovative cooling methods and the environmental toll of air and noise pollution from these centers. Masheika discusses the regulatory challenges and the role of tech lawyers in community activism, urging the tech industry towards greater transparency and sustainability in their water practices.
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INSIGHT

Santa Clara Is A Dense Data Center Hub

  • Santa Clara hosts an enormous concentration of data centers: 55 centers along a narrow strip, second in the U.S. only to Loudoun, Virginia.
  • California caps single data center size at 99 MW, limiting mega-facilities but operators build multiple capped sites instead.
INSIGHT

Data Centers Use Massive Water Volumes

  • A 100 MW data center requires ~223 million liters of water in its cooling system and consumes about 3 million liters daily.
  • Masheika Allgood built a calculator from Uptime Institute design assumptions to reveal these baseline numbers.
INSIGHT

Efficiency Claims Need Scale And Transparency

  • New cooling methods like direct liquid cooling or immersion look promising but lack large-scale, transparent water-use data.
  • If those methods still rely on evaporative heat-exchange, water savings may be limited in practice.
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