395344 - High-resolution water footprints of production of the United States

Tuesday, June 5
4:00 PM - 5:30 PM
Location: Northstar B
Co-Authors: Yufei Ao, Manhattan, KS – Kansas State University; Megan Konar, Urbana, IL – University of Illinois at Urbana-Champaign; Mesfin Mekonnen, Lincoln, NE – University of Nebraska - Lincoln; Arjen Hoekstra, Enschede, Netherlands – University of Twente

The United States is the largest producer and consumer of goods and services in the world. Rainfall, surface water supplies, and groundwater aquifers represent a fundamental input to this economic production. Despite the importance of water resources to economic activity, we do not have consistent information on water use for specific locations and economic sectors. A national, high-resolution database of water use by sector would provide insight into US utilization and dependence on water resources for economic production. To this end, we calculate the water footprint of over 500 food, energy, mining, services, and manufacturing industries and goods produced in the US. To do this, we employ a data intensive approach that integrates water footprint and input-output techniques into a novel methodological framework. This approach enables us to present the most detailed and comprehensive water footprint analysis of any country to date. This study broadly contributes to our understanding of water in the US economy, enables supply chain managers to assess direct and indirect water dependencies, and provides opportunities to reduce water use through benchmarking. In fact, we find that 94% of US industries could reduce their total water footprint more by sourcing from more water-efficient suppliers in their supply chain than they could by converting their own operations to be among the most water efficient within their industry.

Landon Marston

Assistant Professor
Kansas State University


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395344 - High-resolution water footprints of production of the United States

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