New water framework quantifies data center impact by location and season
AWARE-US model reveals water stress varies 10x across counties – new optimization strategies emerge.
A new paper accepted at ACM E-Energy'26 challenges the conventional approach to data center water sustainability. Rather than simply reducing total water consumption, researchers Zahidur Talukder, Imtiaz Bin Rahim, Pranjol Sen Gupta, Shaolei Ren, and Mohammad A. Islam argue that the same gallon of water can have dramatically different environmental consequences depending on when and where it is used. They introduce a stress-adjusted water framework that incorporates both spatial and temporal water stress, using the AWARE-US model to map county-level monthly water availability across the United States.
The framework also accounts for the off-site water footprint of electricity generation, a major hidden factor often ignored in prior work. Building on this stress-aware accounting, the team evaluates three strategies: workload scheduling policies that jointly optimize water and carbon efficiency, rainwater harvesting as a supplemental source, and dry cooling as a zero-water alternative to evaporative cooling. This marks a shift from volume-only metrics to context-aware sustainability, giving data center operators a more precise tool for reducing their environmental footprint without compromising performance.
- Uses AWARE-US model for county-level monthly water stress data, capturing 10x variation across regions
- Extends water accounting to include off-site consumption from electricity generation
- Evaluates workload scheduling, rainwater harvesting, and dry cooling as stress-aware mitigation strategies
Why It Matters
Data center operators can now align water and carbon goals with local environmental reality, not just volume.