Data centre water records
Data centre water records, with the disclosure basis stated on every one.
The largest concentration of data centre capacity in the world. AWS reports a company-level water usage effectiveness and uses reclaimed water at several Virginia sites.
- Operator
- Amazon Web Services
- Location
- Virginia, United States
- Cooling technology
- Mixed direct evaporative and air cooling
- Water source
- Municipal and reclaimed water
- Disclosure basis
- Company reported
One of Google’s largest campuses. Google publishes site-level water withdrawal and consumption annually, making its US sites among the most transparently reported data centres anywhere.
- Operator
- Location
- Iowa, United States
- Cooling technology
- Evaporative cooling
- Water source
- Municipal and groundwater
- Disclosure basis
- Company reported
Subject of a multi-year public records dispute over disclosure of its municipal water use, resolved when the figures were released — an early landmark in data centre water transparency.
- Operator
- Location
- Oregon, United States
- Cooling technology
- Evaporative cooling
- Water source
- Municipal supply from the Columbia River system
- Disclosure basis
- Company reported
Reported in connection with large-scale AI model training, and cited in academic work estimating the water footprint of training runs.
- Operator
- Microsoft
- Location
- Iowa, United States
- Cooling technology
- Evaporative cooling
- Water source
- Municipal supply
- Disclosure basis
- Company reported
Ireland’s temperate climate permits extensive free cooling, so water use is low relative to warm-climate sites. Grid electricity capacity, rather than water, is the binding constraint on Dublin data centre growth.
- Operator
- Microsoft
- Location
- Dublin, Ireland
- Cooling technology
- Air-side economisation with limited evaporative use
- Water source
- Municipal supply
- Disclosure basis
- Company reported
Designed to use treated water from an industrial canal rather than drinking water — one of the clearest examples of siting cooling water demand away from potable supply.
- Operator
- Location
- Hainaut, Belgium
- Cooling technology
- Evaporative cooling using industrial canal water
- Water source
- Treated industrial canal water, not potable supply
- Disclosure basis
- Company reported
A rapidly growing cluster in a water-stressed region of Spain, where planning and environmental documentation is the principal public source of water demand information.
- Operator
- Multiple
- Location
- Aragón, Spain
- Cooling technology
- Varies by operator
- Water source
- Municipal and local sources
- Disclosure basis
- Planning or environmental document
Meta publishes facility-level water figures and reports a relatively low water usage effectiveness at temperate sites.
- Operator
- Meta
- Location
- County Meath, Ireland
- Cooling technology
- Indirect evaporative with air-side economisation
- Water source
- Municipal supply
- Disclosure basis
- Company reported