The megadrought gripping the US West is increasing the scrutiny of water use by hyperscale data centers
Lisa Martine Jenkins / Protocol : Tweets: @hypervisible and @protocol Tweets: @hypervisible : “Roughly one-fifth of the data center servers in the U.S. source water directly from moderately to highly water-stressed watersheds...” https://www.protocol.com/... @protocol : The megadrought gripping the West is the worst since at least 800 A.D. Data center water use isn't helping. https://www.protocol.com/...
Context & Ripple Effects
This Protocol piece lands a year after [[a:967611|drought-stricken US communities first began pushing back on data centers' water withdrawals]], when reporting established that a typical facility consumes as much water daily as a town of 30,000–50,000 people. What changed by mid-2022 is scale and stakes: the Western megadrought is now described as the worst since at least 800 A.D., and roughly one-fifth of US data center servers source water directly from moderately to highly water-stressed watersheds.
The scrutiny this article crystallizes has only hardened since — later analysis found [[a:885469|about two-thirds of US data center projects built or in development since 2022 sit in high water-stress areas]], and operators have begun responding with disclosures like Amazon's accounting of ~2.5B gallons used across its data centers in 2025.
First-order effects
- Hyperscalers siting facilities in the West — Meta among them, whose planned €1B Spanish facility was later projected to use 665M liters per year — now face water availability as a live permitting condition, not an afterthought.
- Towns hosting or weighing proposals gain a concrete grievance backed by numbers, converting vague NIMBY friction into organized opposition over a measurable shared resource.
Second-order effects
- Operators are pushed toward public water accounting to defend their social license — Amazon's gallon-per-kWh disclosure and reported 2% year-over-year reduction at owned sites is the template rivals will be pressed to match.
- Site selection migrates toward low-stress watersheds and water-free cooling designs, shifting competitive advantage to operators who secure water-advantaged land before scarcity pricing and local vetoes spread.
Third-order effects
- If the pattern holds, water joins power as a hard input constraint on compute buildout, making data centers de facto utility infrastructure that must negotiate allocation with municipalities rather than simply buy their way in.
- Sustained local opposition could fragment the hyperscale buildout geographically, pushing capacity toward regions where water politics are favorable and leaving stressed basins effectively off-limits for new construction.
The trend: Data centers are being absorbed into local water politics as utility-scale consumers, with drought stress turning municipal cooperation into a gating factor for where compute gets built.